Polymorphism of 4-bromobenzophenone
Strzhemechny, Mikhail A.; Baumer, Vyacheslav N.; Avdeenko, Anatoli A.; Pyshkin, Oleg S.; Romashkin, Roman V.; Buravtseva, Lyubov M.; Acta Crystallographica Section B 63 (2007) 296–302; doi:10.1107/S0108768106054334

data_2102796
_publ_section_title
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 Polymorphism of 4-bromobenzophenone
;
_journal_coeditor_code           RY5005
_journal_issue                   2
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              296
_journal_page_last               302
_journal_paper_doi               10.1107/S0108768106054334
_journal_volume                  63
_journal_year                    2007
_chemical_formula_sum            'C13 H9 Br O'
_chemical_formula_weight         261.11
_chemical_name_common            4-bromobenzophenone
_chemical_name_systematic
;
(4-bromophenyl)(phenyl)methanone
;
_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                 97.38(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.124(2)
_cell_length_b                   14.646(3)
_cell_length_c                   6.1585(12)
_cell_measurement_reflns_used    700
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      11
_cell_measurement_theta_min      10
_cell_volume                     1084.5(4)
_computing_cell_refinement       'Oxford Diffraction CrysAlis'
_computing_data_collection       'Oxford Diffraction CrysAlis'
_computing_data_reduction        'Oxford Diffraction CrysAlis'
_computing_molecular_graphics    'WinGX (Farrugia, 1999)'
_computing_publication_material  'WinGX (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.917
_diffrn_measurement_device_type  'Oxford Diffraction'
_diffrn_measurement_method       '\o 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  0.1155
_diffrn_reflns_av_sigmaI/netI    0.0796
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            8971
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         32.19
_diffrn_reflns_theta_min         3.26
_exptl_absorpt_coefficient_mu    3.758
_exptl_absorpt_correction_T_max  0.734
_exptl_absorpt_correction_T_min  0.235
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.599
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             520
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.410
_refine_diff_density_min         -0.558
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   0.999
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     137
_refine_ls_number_reflns         3514
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.999
_refine_ls_R_factor_all          0.1091
_refine_ls_R_factor_gt           0.0693
_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^)+(0.1000P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1875
_refine_ls_wR_factor_ref         0.2280
_reflns_number_gt                1560
_reflns_number_total             3514
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ry5005.cif
_cod_data_source_block           4m250
_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 
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_cod_database_code               2102796