Coordination Asymmetry in Divanadium(V) Compounds Containing a V2O3 Core: Synthesis, Characterization, and Redox Properties
Pabitra Baran Chatterjee; Subhajit Bhattacharya; Anandalok Audhya; Ki-Young Choi; Akira Endo; Muktimoy Chaudhury; Inorganic Chemistry 47 (2008) 4891–4902; doi:10.1021/ic800208w

data_4305031
_publ_section_title
;
Coordination Asymmetry in Divanadium(V) Compounds Containing a V2O3 Core:
Synthesis, Characterization, and Redox Properties
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              4891
_journal_page_last               4902
_journal_paper_doi               10.1021/ic800208w
_journal_volume                  47
_journal_year                    2008
_chemical_formula_sum            'C25 H22 N4 O11 V2'
_chemical_formula_weight         656.35
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 106.6890(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.3475(8)
_cell_length_b                   12.5778(7)
_cell_length_c                   14.9525(8)
_cell_measurement_reflns_used    6804
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.608
_cell_measurement_theta_min      2.155
_cell_volume                     2584.7(2)
_computing_cell_refinement       'SMART (Brucker, 1999)'
_computing_data_collection       'SMART (Brucker, 1999)'
_computing_data_reduction        'SAINT-plus (bruker, 1999)'
_computing_molecular_graphics    'Ortep-3 for windows(Farrugia, 1997)'
_computing_publication_material  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXL97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker SMART 1000 CCD dffractometer'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0354
_diffrn_reflns_av_sigmaI/netI    0.0323
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            26269
_diffrn_reflns_theta_full        28.31
_diffrn_reflns_theta_max         28.31
_diffrn_reflns_theta_min         1.48
_exptl_absorpt_coefficient_mu    0.795
_exptl_absorpt_correction_T_max  0.9228
_exptl_absorpt_correction_T_min  0.8011
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.687
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1336
_exptl_crystal_size_max          0.321
_exptl_crystal_size_mid          0.232
_exptl_crystal_size_min          0.101
_refine_diff_density_max         0.426
_refine_diff_density_min         -0.391
_refine_diff_density_rms         0.069
_refine_ls_extinction_coef       none
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.022
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     385
_refine_ls_number_reflns         6413
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.022
_refine_ls_R_factor_all          0.0579
_refine_ls_R_factor_gt           0.0368
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0354P)^2^+2.9039P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0842
_refine_ls_wR_factor_ref         0.0979
_reflns_number_gt                4833
_reflns_number_total             6413
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic800208w-file004_2.cif
_cod_data_source_block           MC3
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4305031