Substituent effects in bis(arene)chromium compounds containing a CN group in the aromatic ring
Khrustalev, Victor N.; Vasil'kov, Alexander Yu.; Antipin, Mikhail Yu.; Acta Crystallographica Section B 61 (2005) 304–311; doi:10.1107/S0108768105008797

data_2100011
_publ_section_title
;
 Substituent effects in bis(arene)chromium compounds containing a CN
 group in the aromatic ring
;
_journal_issue                   3
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              304
_journal_page_last               311
_journal_paper_doi               10.1107/S0108768105008797
_journal_volume                  61
_journal_year                    2005
_chemical_formula_moiety         'C14 H10 Cr N2'
_chemical_formula_sum            'C14 H10 Cr N2'
_chemical_formula_weight         258.24
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 91.6830(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.7300(5)
_cell_length_b                   12.0887(8)
_cell_length_c                   11.1762(8)
_cell_measurement_reflns_used    4186
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      30.0
_cell_measurement_theta_min      2.5
_cell_volume                     1043.92(12)
_computing_cell_refinement       'SAINTPlus (Bruker, 1998a)'
_computing_data_collection       'SMART (Bruker, 1998b)'
_computing_data_reduction        'SAINTPlus (Bruker, 1998a)'
_computing_molecular_graphics    'SHELXTL ver. 5.1 (Sheldrick, 1998b)'
_computing_publication_material  'SHELXTL ver. 5.1 (Sheldrick, 1998b)'
_computing_structure_refinement  'SHELXTL ver. 5.1 (Sheldrick, 1998b)'
_computing_structure_solution    'SHELXTL ver. 5.1 (Sheldrick, 1998b)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.978
_diffrn_measured_fraction_theta_max 0.978
_diffrn_measurement_device_type  'Bruker SMART 1000 CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0222
_diffrn_reflns_av_sigmaI/netI    0.0235
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            7835
_diffrn_reflns_theta_full        30.02
_diffrn_reflns_theta_max         30.02
_diffrn_reflns_theta_min         2.48
_exptl_absorpt_coefficient_mu    1.068
_exptl_absorpt_correction_T_max  0.784
_exptl_absorpt_correction_T_min  0.700
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1998a)'
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.643
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             528
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.24
_refine_diff_density_max         0.831
_refine_diff_density_min         -0.515
_refine_ls_extinction_method     none
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_refine_ls_restrained_S_all      1.023
_refine_ls_R_factor_all          0.0466
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_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^)+(0.0300P)^2^+1.5000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0819
_refine_ls_wR_factor_ref         0.0855
_reflns_number_gt                2343
_reflns_number_total             2984
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            av5032.cif
_cod_data_source_block           2
_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      'P 21/n'
_cod_database_code               2100011
_cod_database_fobs_code          2100011