Two square-pyramidal chromium(V)‒nitride complexes: bis(2-methylquinolin-8-olato)nitridochromium(V) and nitridobis(2-sulfidopyridine <i>N</i>-oxide)chromium(V)
Torben Birk; Henning Osholm Sørensen; Jesper Bendix; Acta Crystallographica Section C 61 (2005) m231–m233; doi:10.1107/S0108270105008693

data_2014775
_publ_section_title
;
 Two square-pyramidal chromium(V)--nitride complexes:
 bis(2-methylquinolin-8-olato)nitridochromium(V) and
 nitridobis(2-sulfidopyridine <i>N</i>-oxide)chromium(V)
;
_journal_issue                   5
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              m231
_journal_page_last               m233
_journal_paper_doi               10.1107/S0108270105008693
_journal_volume                  61
_journal_year                    2005
_chemical_formula_iupac          '[Cr (C10 H8 N O)2 N]'
_chemical_formula_moiety         'C20 H16 Cr N3 O2'
_chemical_formula_sum            'C20 H16 Cr N3 O2'
_chemical_formula_weight         382.36
_chemical_name_systematic
;
bis(2-methylquinolin-8-olato)nitridochromium(V)
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 103.967(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.8980(14)
_cell_length_b                   7.6853(7)
_cell_length_c                   13.2955(12)
_cell_measurement_reflns_used    31996
_cell_measurement_temperature    122.0(10)
_cell_measurement_theta_max      39.9
_cell_measurement_theta_min      2.9
_cell_volume                     1675.6(3)
_computing_cell_refinement       'COLLECT (Nonius, 1999)'
_computing_data_collection       'EVALCCD (Duisenberg <i>et al.</i>, 2003)'
_computing_data_reduction        EVALCCD
_computing_molecular_graphics    'PLATON (Spek, 2003)'
_computing_publication_material  'program (reference?)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR97 (Altomare <i>et al.</i>, 1999)'
_diffrn_ambient_temperature      122.0(10)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       '\f and \w 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  0.0355
_diffrn_reflns_av_sigmaI/netI    0.0153
_diffrn_reflns_limit_h_max       30
_diffrn_reflns_limit_h_min       -30
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            49933
_diffrn_reflns_theta_full        39.97
_diffrn_reflns_theta_max         39.97
_diffrn_reflns_theta_min         2.93
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.703
_exptl_absorpt_correction_T_max  0.918
_exptl_absorpt_correction_T_min  0.813
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details
;
Gaussian integration (Coppens, 1970)
;
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.516
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             788
_exptl_crystal_size_max          0.44
_exptl_crystal_size_mid          0.37
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.557
_refine_diff_density_min         -0.497
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.144
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     120
_refine_ls_number_reflns         5177
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.144
_refine_ls_R_factor_all          0.0380
_refine_ls_R_factor_gt           0.0284
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0361P)^2^+1.038P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0773
_refine_ls_wR_factor_ref         0.0846
_reflns_number_gt                4523
_reflns_number_total             5177
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            bg1000.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               2014775
_cod_database_fobs_code          2014775