##############################################################################
###                                                                        ###
###        Electronic paper (Acta Crystallographica Section E)             ###
###                                                                        ###
##############################################################################
#                                                                            #
# This CIF contains the data in a paper accepted for publication in Acta     #
# Crystallographica Section E. It conforms to the requirements of Notes      #
# for Authors for Section E, and has been peer reviewed under the auspices   #
# of the IUCr Commission on Journals.                                        #
#                                                                            #
# Full details of the Crystallographic Information File format               #
# are given in the paper "The Crystallographic Information File (CIF):       #
# a New Standard Archive File for Crystallography" by S. R. Hall, F. H.      #
# Allen and I. D. Brown [Acta Cryst. (1991), A47, 655-685].                  #
#                                                                            #
# The current version of the core CIF dictionary is obtainable from          #
# ftp://ftp.iucr.org/pub/cif_core.dic. The current version number is 2.1.    #
#                                                                            #
# Software is freely available for graphical display of the structure(s) in  #
# this CIF.  For information consult the CIF home page http://www.iucr.org/  #
# cif/home.html                                                              #
#                                                                            #
#            Copyright International Union of Crystallography                #
#                                                                            #
##############################################################################
                                             
data_I
_audit_creation_method     SHELXL-97
_chemical_name_systematic
;
μ-Oxo-bis{diethoxy[salicylaldoximato(2-)]niobium(V)}
;
_chemical_name_common     ?
_chemical_formula_moiety     'C22 H30 N2 Nb2 O9'
_chemical_formula_sum     'C22 H30 N2 Nb2 O9'
_chemical_formula_iupac     '[Nb2 O (C7 H5 N O2)2 (C2 H5 O)4]'
_chemical_formula_weight     652.30
_chemical_melting_point     ?
_symmetry_cell_setting     Triclinic
_symmetry_space_group_name_H-M     'P -1'
_symmetry_space_group_name_Hall     '-P 1'
loop_
    _symmetry_equiv_pos_as_xyz
    'x, y, z'
    '-x, -y, -z'
_cell_length_a     10.8119(7)
_cell_length_b     12.1443(8)
_cell_length_c     12.2344(8)
_cell_angle_alpha     63.6790(10)
_cell_angle_beta     68.1240(10)
_cell_angle_gamma     79.0950(10)
_cell_volume     1335.63(15)
_cell_formula_units_Z     2
_cell_measurement_reflns_used     7063
_cell_measurement_theta_min     2.3
_cell_measurement_theta_max     26.6
_cell_measurement_temperature     173(2)
_exptl_crystal_description     block
_exptl_crystal_colour     orange
_exptl_crystal_size_max     0.50
_exptl_crystal_size_mid     0.50
_exptl_crystal_size_min     0.20
_exptl_crystal_density_diffrn     1.622
_exptl_crystal_density_meas     ?
_exptl_crystal_density_method     'not measured'
_exptl_crystal_F_000     660
_exptl_absorpt_coefficient_mu     0.908
_exptl_absorpt_correction_type     multi-scan
_exptl_absorpt_process_details     '(SADABS; Sheldrick, 1996)'
_exptl_absorpt_correction_T_min     0.660
_exptl_absorpt_correction_T_max     0.831
_diffrn_ambient_temperature     173(2)
_diffrn_radiation_type     MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_radiation_source     'normal-focus sealed tube'
_diffrn_radiation_monochromator     graphite
_diffrn_measurement_device_type     'Siemens P4/CCD area-detector'
_diffrn_measurement_method     'φ and ω'
_diffrn_detector_area_resol_mean     ?
_diffrn_reflns_number     16798
_diffrn_reflns_av_R_equivalents     0.017
_diffrn_reflns_av_sigmaI/netI     0.020
_diffrn_reflns_theta_min     1.9
_diffrn_reflns_theta_max     26.6
_diffrn_reflns_theta_full     25.00
_diffrn_measured_fraction_theta_max     0.958
_diffrn_measured_fraction_theta_full     0.994
_diffrn_reflns_limit_h_min     -13
_diffrn_reflns_limit_h_max     13
_diffrn_reflns_limit_k_min     -14
_diffrn_reflns_limit_k_max     15
_diffrn_reflns_limit_l_min     -15
_diffrn_reflns_limit_l_max     15
_diffrn_standards_number     0
_diffrn_standards_interval_count     ?
_diffrn_standards_interval_time     ?
_diffrn_standards_decay_%     0
_reflns_number_total     5367
_reflns_number_gt     4675
_reflns_threshold_expression     I>2σ(I)
_refine_ls_structure_factor_coef     Fsqd
_refine_ls_matrix_type     full
_refine_ls_R_factor_all     0.025
_refine_ls_R_factor_gt     0.021
_refine_ls_wR_factor_gt     0.050
_refine_ls_wR_factor_ref     0.060
_refine_ls_goodness_of_fit_ref     1.03
_refine_ls_restrained_S_all     1.03
_refine_ls_number_reflns     5367
_refine_ls_number_parameters     316
_refine_ls_number_restraints     0
_refine_ls_hydrogen_treatment     constr
_refine_ls_weighting_scheme     calc
_refine_ls_weighting_details
             'calc w = 1/[σ²(Fo²)+(0.0412P)²] where P = (Fo²+2Fc²)/3'
_atom_sites_solution_hydrogens     geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary     difmap
_refine_ls_shift/su_max     0.000
_refine_ls_shift/su_mean     0.000
_refine_diff_density_max     0.62
_refine_diff_density_min     -0.55
_refine_ls_extinction_method     none
_refine_ls_extinction_coef     ?
loop_
    _atom_type_symbol
    _atom_type_description
    _atom_type_scat_dispersion_real
    _atom_type_scat_dispersion_imag
    _atom_type_scat_source
    'C' 'C' 0.0033 0.0016
                         'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
    'H' 'H' 0.0000 0.0000
                         'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
    'N' 'N' 0.0061 0.0033
                         'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
    'O' 'O' 0.0106 0.0060
                         'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
    'Nb' 'Nb' -2.0727 0.6215
                         'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
_computing_data_collection     'SMART (Bruker, 2001)'
_computing_cell_refinement     'SMART'
_computing_data_reduction     'SAINT (Bruker, 2001)'
_computing_structure_solution     'SHELXS97 (Sheldrick, 1997)'
_computing_structure_refinement     'SHELXL97 (Sheldrick, 1997)'
_computing_molecular_graphics     'ORTEPII (Johnson, 1976)'
_computing_publication_material     'SHELXL97'
loop_
    _atom_site_label
    _atom_site_fract_x
    _atom_site_fract_y
    _atom_site_fract_z
    _atom_site_U_iso_or_equiv
    _atom_site_adp_type
    _atom_site_calc_flag
    _atom_site_refinement_flags
    _atom_site_occupancy
    _atom_site_disorder_assembly
    _atom_site_disorder_group
    _atom_site_type_symbol
    Nb1 0.75546(2) 0.87056(2) 0.79634(2) 0.02052(6) Uani d . 1 . . Nb
    Nb2 0.65168(2) 0.69048(2) 0.69061(2) 0.02242(6) Uani d . 1 . . Nb
    O1 0.78070(10)
                 1.04840(10)
                           0.72720(10)
                                     0.0268(3) Uani d . 1 . . O
    O2 0.57220(10)
                 0.86710(10)
                           0.64440(10)
                                     0.0268(3) Uani d . 1 . . O
    O3 0.89700(10)
                 0.81180(10)
                           0.86590(10)
                                     0.0293(3) Uani d . 1 . . O
    O4 0.60850(10)
                 0.86960(10)
                           0.94180(10)
                                     0.0303(3) Uani d . 1 . . O
    O5 0.67550(10)
                 0.70860(10)
                           0.51600(10)
                                     0.0283(3) Uani d . 1 . . O
    O6 0.88750(10)
                 0.85430(10)
                           0.63040(10)
                                     0.0283(3) Uani d . 1 . . O
    O7 0.4845(2) 0.61640(10)
                           0.77920(10)
                                     0.0329(3) Uani d . 1 . . O
    O8 0.7638(2) 0.54800(10)
                           0.7291(2) 0.0400(4) Uani d . 1 . . O
    O9 0.68620(10)
                 0.72410(10)
                           0.81650(10)
                                     0.0241(3) Uani d . 1 . . O
    N1 0.6278(2) 0.9519(2) 0.6591(2) 0.0233(3) Uani d . 1 . . N
    N2 0.8409(2) 0.8103(2) 0.5659(2) 0.0246(3) Uani d . 1 . . N
    C1 0.7379(2) 1.1602(2) 0.6549(2) 0.0240(4) Uani d . 1 . . C
    C2 0.7737(2) 1.2666(2) 0.6538(2) 0.0303(5) Uani d . 1 . . C
    C3 0.7329(2) 1.3823(2) 0.5793(2) 0.0348(5) Uani d . 1 . . C
    C4 0.6588(2) 1.3948(2) 0.5020(2) 0.0377(5) Uani d . 1 . . C
    C5 0.6221(2) 1.2907(2) 0.5027(2) 0.0334(5) Uani d . 1 . . C
    C6 0.6584(2) 1.1714(2) 0.5814(2) 0.0249(4) Uani d . 1 . . C
    C7 0.6099(2) 1.0653(2) 0.5839(2) 0.0258(4) Uani d . 1 . . C
    C8 1.0185(2) 0.7399(2) 0.8542(3) 0.0440(6) Uani d . 1 . . C
    C9 1.1381(3) 0.8181(3) 0.7710(3) 0.0688(9) Uani d . 1 . . C
    C10 0.4794(3) 0.8235(3) 1.0240(3) 0.0560(7) Uani d . 1 . . C
    C11 0.3731(3) 0.8863(3) 0.9657(3) 0.0610(8) Uani d . 1 . . C
    C12 0.7526(2) 0.7595(2) 0.3909(2) 0.0246(4) Uani d . 1 . . C
    C13 0.7176(2) 0.7470(2) 0.2971(2) 0.0278(4) Uani d . 1 . . C
    C14 0.7968(2) 0.7960(2) 0.1680(2) 0.0336(5) Uani d . 1 . . C
    C15 0.9115(2) 0.8585(2) 0.1296(2) 0.0354(5) Uani d . 1 . . C
    C16 0.9458(2) 0.8747(2) 0.2206(2) 0.0312(5) Uani d . 1 . . C
    C17 0.8669(2) 0.8258(2) 0.3528(2) 0.0252(4) Uani d . 1 . . C
    C18 0.9036(2) 0.8515(2) 0.4432(2) 0.0259(4) Uani d . 1 . . C
    C19 0.3888(3) 0.5384(3) 0.8896(2) 0.0486(7) Uani d . 1 . . C
    C20 0.3118(3) 0.4742(3) 0.8548(3) 0.0537(7) Uani d . 1 . . C
    C21 0.8616(3) 0.4881(3) 0.7906(3) 0.0529(7) Uani d . 1 . . C
    C22 0.9938(3) 0.4998(3) 0.6927(3) 0.0730(9) Uani d . 1 . . C
    H2 0.8260 1.2591 0.7044 0.036 Uiso calc R 1 . . H
    H3 0.7556 1.4533 0.5808 0.042 Uiso calc R 1 . . H
    H4 0.6335 1.4742 0.4491 0.045 Uiso calc R 1 . . H
    H5 0.5720 1.2997 0.4497 0.040 Uiso calc R 1 . . H
    H7 0.5623 1.0803 0.5269 0.031 Uiso calc R 1 . . H
    H8a 1.0162 0.6832 0.8168 0.053 Uiso calc R 1 . . H
    H8b 1.0261 0.6897 0.9411 0.053 Uiso calc R 1 . . H
    H9a 1.2189 0.7655 0.7657 0.103 Uiso calc R 1 . . H
    H9b 1.1417 0.8734 0.8086 0.103 Uiso calc R 1 . . H
    H9c 1.1320 0.8667 0.6843 0.103 Uiso calc R 1 . . H
    H10a 0.4577 0.8330 1.1055 0.067 Uiso calc R 1 . . H
    H10b 0.4806 0.7345 1.0456 0.067 Uiso calc R 1 . . H
    H11a 0.2869 0.8510 1.0269 0.092 Uiso calc R 1 . . H
    H11b 0.3923 0.8751 0.8863 0.092 Uiso calc R 1 . . H
    H11c 0.3701 0.9742 0.9454 0.092 Uiso calc R 1 . . H
    H13 0.6393 0.7049 0.3221 0.033 Uiso calc R 1 . . H
    H14 0.7725 0.7868 0.1055 0.040 Uiso calc R 1 . . H
    H15 0.9664 0.8901 0.0415 0.043 Uiso calc R 1 . . H
    H16 1.0229 0.9191 0.1937 0.037 Uiso calc R 1 . . H
    H18 0.9780 0.9016 0.4093 0.031 Uiso calc R 1 . . H
    H19a 0.3260 0.5874 0.9349 0.058 Uiso calc R 1 . . H
    H19b 0.4340 0.4762 0.9493 0.058 Uiso calc R 1 . . H
    H20a 0.2456 0.4216 0.9335 0.081 Uiso calc R 1 . . H
    H20b 0.3735 0.4238 0.8123 0.081 Uiso calc R 1 . . H
    H20c 0.2665 0.5356 0.7962 0.081 Uiso calc R 1 . . H
    H21a 0.8411 0.4001 0.8439 0.063 Uiso calc R 1 . . H
    H21b 0.8605 0.5258 0.8480 0.063 Uiso calc R 1 . . H
    H22a 1.0609 0.4585 0.7351 0.109 Uiso calc R 1 . . H
    H22b 1.0141 0.5870 0.6407 0.109 Uiso calc R 1 . . H
    H22c 0.9946 0.4616 0.6366 0.109 Uiso calc R 1 . . H
loop_
    _geom_bond_atom_site_label_1
    _geom_bond_atom_site_label_2
    _geom_bond_site_symmetry_2
    _geom_bond_distance
    _geom_bond_publ_flag
    Nb1 O1 . 1.9710(10)
                      yes
    Nb1 O3 . 1.8960(10)
                      yes
    Nb1 O4 . 1.8900(10)
                      yes
    Nb1 O6 . 2.0710(10)
                      yes
    Nb1 O9 . 1.9400(10)
                      yes
    Nb1 N1 . 2.333(2) yes
    Nb2 O2 . 2.0610(10)
                      yes
    Nb2 O5 . 1.9690(10)
                      yes
    Nb2 O7 . 1.882(2) yes
    Nb2 O8 . 1.897(2) yes
    Nb2 O9 . 1.9300(10)
                      yes
    Nb2 N2 . 2.337(2) yes
    O1 C1 . 1.357(2) no
    O2 N1 . 1.390(2) no
    O3 C8 . 1.430(3) no
    O4 C10 . 1.423(3) no
    O5 C12 . 1.350(2) no
    O6 N2 . 1.391(2) no
    O7 C19 . 1.409(3) no
    O8 C21 . 1.425(3) no
    N1 C7 . 1.299(3) no
    N2 C18 . 1.291(2) no
    C1 C2 . 1.410(3) no
    C1 C6 . 1.412(3) no
    C2 C3 . 1.389(3) no
    C3 C4 . 1.397(3) no
    C4 C5 . 1.390(3) no
    C5 C6 . 1.418(3) no
    C6 C7 . 1.464(3) no
    C8 C9 . 1.495(4) no
    C10 C11 . 1.485(4) no
    C12 C13 . 1.410(3) no
    C12 C17 . 1.416(3) no
    C13 C14 . 1.391(3) no
    C14 C15 . 1.393(3) no
    C15 C16 . 1.395(3) no
    C16 C17 . 1.416(3) no
    C17 C18 . 1.470(3) no
    C19 C20 . 1.512(3) no
    C21 C22 . 1.465(4) no
    C2 H2 . 0.95 no
    C3 H3 . 0.95 no
    C4 H4 . 0.95 no
    C5 H5 . 0.95 no
    C7 H7 . 0.95 no
    C8 H8a . 0.99 no
    C8 H8b . 0.99 no
    C9 H9a . 0.98 no
    C9 H9b . 0.98 no
    C9 H9c . 0.98 no
    C10 H10a . 0.99 no
    C10 H10b . 0.99 no
    C11 H11a . 0.98 no
    C11 H11b . 0.98 no
    C11 H11c . 0.98 no
    C13 H13 . 0.95 no
    C14 H14 . 0.95 no
    C15 H15 . 0.95 no
    C16 H16 . 0.95 no
    C18 H18 . 0.95 no
    C19 H19a . 0.99 no
    C19 H19b . 0.99 no
    C20 H20a . 0.98 no
    C20 H20b . 0.98 no
    C20 H20c . 0.98 no
    C21 H21a . 0.99 no
    C21 H21b . 0.99 no
    C22 H22a . 0.98 no
    C22 H22b . 0.98 no
    C22 H22c . 0.98 no
loop_
    _geom_angle_atom_site_label_1
    _geom_angle_atom_site_label_2
    _geom_angle_atom_site_label_3
    _geom_angle_site_symmetry_1
    _geom_angle_site_symmetry_3
    _geom_angle
    _geom_angle_publ_flag
    O1 Nb1 O3 . . 98.70(10)
                          yes
    O1 Nb1 O4 . . 93.40(10)
                          yes
    O1 Nb1 O6 . . 93.90(10)
                          yes
    O1 Nb1 O9 . . 155.80(10)
                           yes
    O1 Nb1 N1 . . 78.10(10)
                          yes
    O3 Nb1 O4 . . 102.20(10)
                           yes
    O3 Nb1 O6 . . 86.90(10)
                          yes
    O3 Nb1 O9 . . 104.60(10)
                           yes
    O3 Nb1 N1 . . 164.70(10)
                           yes
    O4 Nb1 O6 . . 167.40(10)
                           yes
    O4 Nb1 O9 . . 87.80(10)
                          yes
    O4 Nb1 N1 . . 93.00(10)
                          yes
    O6 Nb1 O9 . . 81.30(10)
                          yes
    O6 Nb1 N1 . . 78.40(10)
                          yes
    O9 Nb1 N1 . . 77.70(10)
                          yes
    O2 Nb2 O5 . . 89.00(10)
                          yes
    O2 Nb2 O7 . . 94.20(10)
                          yes
    O2 Nb2 O8 . . 164.80(10)
                           yes
    O2 Nb2 O9 . . 81.90(10)
                          yes
    O2 Nb2 N2 . . 77.30(10)
                          yes
    O5 Nb2 O7 . . 99.30(10)
                          yes
    O5 Nb2 O8 . . 95.30(10)
                          yes
    O5 Nb2 O9 . . 155.50(10)
                           yes
    O5 Nb2 N2 . . 78.00(10)
                          yes
    O7 Nb2 O8 . . 99.50(10)
                          yes
    O7 Nb2 O9 . . 104.00(10)
                           yes
    O7 Nb2 N2 . . 171.00(10)
                           yes
    O8 Nb2 O9 . . 88.30(10)
                          yes
    O8 Nb2 N2 . . 89.30(10)
                          yes
    O9 Nb2 N2 . . 77.90(10)
                          yes
    C1 O1 Nb1 . . 142.90(10)
                           no
    N1 O2 Nb2 . . 119.20(10)
                           no
    C8 O3 Nb1 . . 141.90(10)
                           no
    C10 O4 Nb1 . . 145.5(2) no
    C12 O5 Nb2 . . 143.50(10)
                            no
    N2 O6 Nb1 . . 118.50(10)
                           no
    C19 O7 Nb2 . . 153.0(2) no
    C21 O8 Nb2 . . 143.7(2) no
    Nb2 O9 Nb1 . . 129.40(10)
                            no
    C7 N1 O2 . . 113.7(2) no
    C7 N1 Nb1 . . 129.90(10)
                           no
    O2 N1 Nb1 . . 116.10(10)
                           no
    C18 N2 O6 . . 113.7(2) no
    C18 N2 Nb2 . . 130.20(10)
                            no
    O6 N2 Nb2 . . 115.80(10)
                           no
    O1 C1 C2 . . 119.2(2) no
    O1 C1 C6 . . 121.1(2) no
    C2 C1 C6 . . 119.7(2) no
    C3 C2 C1 . . 120.4(2) no
    C2 C3 C4 . . 120.4(2) no
    C5 C4 C3 . . 119.8(2) no
    C4 C5 C6 . . 121.0(2) no
    C1 C6 C5 . . 118.6(2) no
    C1 C6 C7 . . 123.0(2) no
    C5 C6 C7 . . 118.4(2) no
    N1 C7 C6 . . 124.1(2) no
    O3 C8 C9 . . 112.1(2) no
    O4 C10 C11 . . 113.3(2) no
    O5 C12 C13 . . 119.1(2) no
    O5 C12 C17 . . 121.2(2) no
    C13 C12 C17 . . 119.7(2) no
    C14 C13 C12 . . 120.4(2) no
    C13 C14 C15 . . 120.5(2) no
    C16 C15 C14 . . 119.9(2) no
    C15 C16 C17 . . 120.8(2) no
    C16 C17 C12 . . 118.7(2) no
    C16 C17 C18 . . 118.4(2) no
    C12 C17 C18 . . 122.8(2) no
    N2 C18 C17 . . 124.1(2) no
    O7 C19 C20 . . 111.6(2) no
    O8 C21 C22 . . 109.6(2) no
    C3 C2 H2 . . 119.8 no
    C1 C2 H2 . . 119.8 no
    C2 C3 H3 . . 119.8 no
    C4 C3 H3 . . 119.8 no
    C5 C4 H4 . . 120.1 no
    C3 C4 H4 . . 120.1 no
    C4 C5 H5 . . 119.5 no
    C6 C5 H5 . . 119.5 no
    N1 C7 H7 . . 117.9 no
    C6 C7 H7 . . 117.9 no
    O3 C8 H8a . . 109.2 no
    C9 C8 H8a . . 109.2 no
    O3 C8 H8b . . 109.2 no
    C9 C8 H8b . . 109.2 no
    H8a C8 H8b . . 107.9 no
    C8 C9 H9a . . 109.5 no
    C8 C9 H9b . . 109.5 no
    H9a C9 H9b . . 109.5 no
    C8 C9 H9c . . 109.5 no
    H9a C9 H9c . . 109.5 no
    H9b C9 H9c . . 109.5 no
    O4 C10 H10a . . 108.9 no
    C11 C10 H10a . . 108.9 no
    O4 C10 H10b . . 108.9 no
    C11 C10 H10b . . 108.9 no
    H10a C10 H10b . . 107.7 no
    C10 C11 H11a . . 109.5 no
    C10 C11 H11b . . 109.5 no
    H11a C11 H11b . . 109.5 no
    C10 C11 H11c . . 109.5 no
    H11a C11 H11c . . 109.5 no
    H11b C11 H11c . . 109.5 no
    C14 C13 H13 . . 119.8 no
    C12 C13 H13 . . 119.8 no
    C13 C14 H14 . . 119.7 no
    C15 C14 H14 . . 119.7 no
    C16 C15 H15 . . 120.1 no
    C14 C15 H15 . . 120.1 no
    C15 C16 H16 . . 119.6 no
    C17 C16 H16 . . 119.6 no
    N2 C18 H18 . . 118.0 no
    C17 C18 H18 . . 118.0 no
    O7 C19 H19a . . 109.3 no
    C20 C19 H19a . . 109.3 no
    O7 C19 H19b . . 109.3 no
    C20 C19 H19b . . 109.3 no
    H19a C19 H19b . . 108.0 no
    C19 C20 H20a . . 109.5 no
    C19 C20 H20b . . 109.5 no
    H20a C20 H20b . . 109.5 no
    C19 C20 H20c . . 109.5 no
    H20a C20 H20c . . 109.5 no
    H20b C20 H20c . . 109.5 no
    O8 C21 H21a . . 109.8 no
    C22 C21 H21a . . 109.8 no
    O8 C21 H21b . . 109.8 no
    C22 C21 H21b . . 109.8 no
    H21a C21 H21b . . 108.2 no
    C21 C22 H22a . . 109.5 no
    C21 C22 H22b . . 109.5 no
    H22a C22 H22b . . 109.5 no
    C21 C22 H22c . . 109.5 no
    H22a C22 H22c . . 109.5 no
    H22b C22 H22c . . 109.5 no
loop_
    _geom_torsion_atom_site_label_1
    _geom_torsion_atom_site_label_2
    _geom_torsion_atom_site_label_3
    _geom_torsion_atom_site_label_4
    _geom_torsion_site_symmetry_1
    _geom_torsion_site_symmetry_2
    _geom_torsion_site_symmetry_3
    _geom_torsion_site_symmetry_4
    _geom_torsion
    _geom_torsion_publ_flag
    O4 Nb1 O1 C1 . . . . -84.3(2) no
    O3 Nb1 O1 C1 . . . . 172.8(2) no
    O9 Nb1 O1 C1 . . . . 8.0(3) no
    O6 Nb1 O1 C1 . . . . 85.4(2) no
    N1 Nb1 O1 C1 . . . . 8.1(2) no
    O7 Nb2 O2 N1 . . . . 135.80(10)
                                  no
    O8 Nb2 O2 N1 . . . . -18.2(3) no
    O9 Nb2 O2 N1 . . . . 32.20(10)
                                 no
    O5 Nb2 O2 N1 . . . . -125.00(10)
                                   no
    N2 Nb2 O2 N1 . . . . -47.10(10)
                                  no
    O4 Nb1 O3 C8 . . . . 146.3(2) no
    O9 Nb1 O3 C8 . . . . 55.3(2) no
    O1 Nb1 O3 C8 . . . . -118.3(2) no
    O6 Nb1 O3 C8 . . . . -24.9(2) no
    N1 Nb1 O3 C8 . . . . -41.6(4) no
    O3 Nb1 O4 C10 . . . . -121.7(3) no
    O9 Nb1 O4 C10 . . . . -17.3(3) no
    O1 Nb1 O4 C10 . . . . 138.6(3) no
    O6 Nb1 O4 C10 . . . . 13.4(5) no
    N1 Nb1 O4 C10 . . . . 60.3(3) no
    O7 Nb2 O5 C12 . . . . 170.9(2) no
    O8 Nb2 O5 C12 . . . . -88.6(2) no
    O9 Nb2 O5 C12 . . . . 8.9(3) no
    O2 Nb2 O5 C12 . . . . 76.8(2) no
    N2 Nb2 O5 C12 . . . . -0.4(2) no
    O4 Nb1 O6 N2 . . . . 3.8(3) no
    O3 Nb1 O6 N2 . . . . 140.20(10)
                                  no
    O9 Nb1 O6 N2 . . . . 34.90(10)
                                 no
    O1 Nb1 O6 N2 . . . . -121.20(10)
                                   no
    N1 Nb1 O6 N2 . . . . -44.20(10)
                                  no
    O8 Nb2 O7 C19 . . . . 52.5(3) no
    O9 Nb2 O7 C19 . . . . -38.1(4) no
    O5 Nb2 O7 C19 . . . . 149.5(3) no
    O2 Nb2 O7 C19 . . . . -120.8(3) no
    O7 Nb2 O8 C21 . . . . -118.6(3) no
    O9 Nb2 O8 C21 . . . . -14.6(3) no
    O5 Nb2 O8 C21 . . . . 141.1(3) no
    O2 Nb2 O8 C21 . . . . 35.2(4) no
    N2 Nb2 O8 C21 . . . . 63.3(3) no
    O7 Nb2 O9 Nb1 . . . . -136.10(10)
                                    no
    O8 Nb2 O9 Nb1 . . . . 124.60(10)
                                   no
    O5 Nb2 O9 Nb1 . . . . 25.5(2) no
    O2 Nb2 O9 Nb1 . . . . -43.80(10)
                                   no
    N2 Nb2 O9 Nb1 . . . . 34.90(10)
                                  no
    O4 Nb1 O9 Nb2 . . . . 128.60(10)
                                   no
    O3 Nb1 O9 Nb2 . . . . -129.40(10)
                                    no
    O1 Nb1 O9 Nb2 . . . . 35.1(2) no
    O6 Nb1 O9 Nb2 . . . . -44.90(10)
                                   no
    N1 Nb1 O9 Nb2 . . . . 35.00(10)
                                  no
    Nb2 O2 N1 C7 . . . . 154.20(10)
                                  no
    Nb2 O2 N1 Nb1 . . . . -19.8(2) no
    O4 Nb1 N1 C7 . . . . 95.2(2) no
    O3 Nb1 N1 C7 . . . . -77.2(3) no
    O9 Nb1 N1 C7 . . . . -177.7(2) no
    O1 Nb1 N1 C7 . . . . 2.3(2) no
    O6 Nb1 N1 C7 . . . . -94.2(2) no
    O4 Nb1 N1 O2 . . . . -92.10(10)
                                  no
    O3 Nb1 N1 O2 . . . . 95.6(2) no
    O9 Nb1 N1 O2 . . . . -4.90(10)
                                 no
    O1 Nb1 N1 O2 . . . . 175.10(10)
                                  no
    O6 Nb1 N1 O2 . . . . 78.60(10)
                                 no
    Nb1 O6 N2 C18 . . . . 151.10(10)
                                   no
    Nb1 O6 N2 Nb2 . . . . -23.4(2) no
    O8 Nb2 N2 C18 . . . . 95.5(2) no
    O9 Nb2 N2 C18 . . . . -176.0(2) no
    O5 Nb2 N2 C18 . . . . 0.0(2) no
    O2 Nb2 N2 C18 . . . . -91.8(2) no
    O8 Nb2 N2 O6 . . . . -91.10(10)
                                  no
    O9 Nb2 N2 O6 . . . . -2.70(10)
                                 no
    O5 Nb2 N2 O6 . . . . 173.30(10)
                                  no
    O2 Nb2 N2 O6 . . . . 81.60(10)
                                 no
    Nb1 O1 C1 C2 . . . . 167.8(2) no
    Nb1 O1 C1 C6 . . . . -12.1(3) no
    O1 C1 C2 C3 . . . . 179.1(2) no
    C6 C1 C2 C3 . . . . -1.0(3) no
    C1 C2 C3 C4 . . . . -1.6(3) no
    C2 C3 C4 C5 . . . . 2.0(3) no
    C3 C4 C5 C6 . . . . 0.3(3) no
    O1 C1 C6 C5 . . . . -176.9(2) no
    C2 C1 C6 C5 . . . . 3.2(3) no
    O1 C1 C6 C7 . . . . 4.0(3) no
    C2 C1 C6 C7 . . . . -175.9(2) no
    C4 C5 C6 C1 . . . . -2.8(3) no
    C4 C5 C6 C7 . . . . 176.3(2) no
    O2 N1 C7 C6 . . . . 179.8(2) no
    Nb1 N1 C7 C6 . . . . -7.3(3) no
    C1 C6 C7 N1 . . . . 4.5(3) no
    C5 C6 C7 N1 . . . . -174.6(2) no
    Nb1 O3 C8 C9 . . . . 97.3(3) no
    Nb1 O4 C10 C11 . . . . -76.9(4) no
    Nb2 O5 C12 C13 . . . . -176.7(2) no
    Nb2 O5 C12 C17 . . . . 2.8(3) no
    O5 C12 C13 C14 . . . . -178.5(2) no
    C17 C12 C13 C14 . . . . 2.0(3) no
    C12 C13 C14 C15 . . . . -0.3(3) no
    C13 C14 C15 C16 . . . . -1.5(3) no
    C14 C15 C16 C17 . . . . 1.5(3) no
    C15 C16 C17 C12 . . . . 0.2(3) no
    C15 C16 C17 C18 . . . . -176.6(2) no
    O5 C12 C17 C16 . . . . 178.5(2) no
    C13 C12 C17 C16 . . . . -2.0(3) no
    O5 C12 C17 C18 . . . . -4.7(3) no
    C13 C12 C17 C18 . . . . 174.8(2) no
    O6 N2 C18 C17 . . . . -175.4(2) no
    Nb2 N2 C18 C17 . . . . -2.0(3) no
    C16 C17 C18 N2 . . . . -178.8(2) no
    C12 C17 C18 N2 . . . . 4.5(3) no
    Nb2 O7 C19 C20 . . . . -143.7(3) no
    Nb2 O8 C21 C22 . . . . -104.8(3) no
data_global
_journal_date_recd_electronic     2003-11-28
_journal_date_accepted     2003-12-02
_journal_name_full     'Acta Crystallographica, Section E'
_journal_year     2004
_journal_volume     60
_journal_issue      1
_journal_page_first     m53
_journal_page_last     m55
_journal_paper_category     EM
_publ_contact_author
;
     Dr. Seik Weng Ng
     Department of Chemistry
     University of Malaya
     50603 Kuala Lumpur
     Malaysia
;
_publ_contact_author_email     seikweng@um.edu.my
_publ_contact_author_fax     '03 7967 4193'
_publ_contact_author_phone     '03 7967 4204'
_publ_section_title
;
μ-Oxo-bis{diethoxy[salicylaldoximato(2-)]niobium(V)}
;
loop_
    _publ_author_name
    _publ_author_address
    'Amini, Mostafa M.'
;
Department of Chemistry
Shahid Beheshti University
Tehran
Iran
;
    'Mirzaee, Mehdi'
;
Department of Chemistry
Shahid Beheshti University
Tehran
Iran
;
    'Ng, Seik Weng'
;
Department of Chemistry
University of Malaya
50603 Kuala Lumpur
Malaysia
;
