Two-Electron Reduction of a Vanadium(V) Nitride by CO To Release Cyanate and Open a Coordination Site
Jared S. Silvia; Christopher C. Cummins; Journal of the American Chemical Society 131 (2009) 446–447; doi:10.1021/ja807767w

data_4103778
_publ_section_title
;
 Two-Electron Reduction of a Vanadium(V) Nitride by CO To Release Cyanate
 and Open a Coordination Site
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              446
_journal_page_last               447
_journal_paper_doi               10.1021/ja807767w
_journal_volume                  131
_journal_year                    2009
_chemical_formula_moiety         'C37 H54 N4 O1 V1'
_chemical_formula_sum            'C37 H54 N4 O V'
_chemical_formula_weight         621.78
_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                 93.794(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   17.972(2)
_cell_length_b                   10.7424(14)
_cell_length_c                   18.427(3)
_cell_measurement_reflns_used    9885
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      29.55
_cell_measurement_theta_min      2.20
_cell_volume                     3549.8(8)
_computing_cell_refinement       'SAINT 7.4 (Bruker-AXS, 2008)'
_computing_data_collection       'APEX2 2.2 (Bruker-AXS, 2008)'
_computing_data_reduction        'SAINT 7.4 (Bruker-AXS, 2008)'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.3
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker Smart APEX CCD'
_diffrn_measurement_method       'omega and phi scans'
_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  0.0492
_diffrn_reflns_av_sigmaI/netI    0.0300
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            75371
_diffrn_reflns_theta_full        29.12
_diffrn_reflns_theta_max         29.12
_diffrn_reflns_theta_min         1.14
_exptl_absorpt_coefficient_mu    0.312
_exptl_absorpt_correction_T_max  0.9635
_exptl_absorpt_correction_T_min  0.9232
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2008)'
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.163
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1340
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.389
_refine_diff_density_min         -0.383
_refine_diff_density_rms         0.054
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.056
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     403
_refine_ls_number_reflns         9557
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.056
_refine_ls_R_factor_all          0.0527
_refine_ls_R_factor_gt           0.0378
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0431P)^2^+1.8201P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0913
_refine_ls_wR_factor_ref         0.0996
_reflns_number_gt                7786
_reflns_number_total             9557
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja807767w_si_001.cif
_cod_data_source_block           07214
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_database_code               4103778