Examination of Halogen Bonding Interactions in Electronically Distinct but Structurally Related Tris(haloarenes)
Pigge, F. Christopher; Vangala, Venu R.; Swenson, Dale C.; Rath, Nigam P.; Crystal Growth & Design 10 (2010) 224–; doi:10.1021/cg9008625

data_4502266
_publ_section_title
;
 Examination of Halogen Bonding Interactions in Electronically Distinct
 but Structurally Related Tris(haloarenes)
;
_journal_issue                   1
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              224
_journal_paper_doi               10.1021/cg9008625
_journal_volume                  10
_journal_year                    2010
_chemical_formula_moiety         'C27 H15 Br3 O3'
_chemical_formula_sum            'C27 H15 Br3 O3'
_chemical_formula_weight         627.12
_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                 109.070(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.6382(13)
_cell_length_b                   14.1355(15)
_cell_length_c                   14.9051(16)
_cell_measurement_reflns_used    10037
_cell_measurement_temperature    190(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      1.0
_cell_volume                     2317.5(4)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor, 1997)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_computing_data_reduction
'HKL Denzo, Scalepack (Otwinowski & Minor, 1997'
_computing_molecular_graphics    'SHELXTL v6.1 (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL v6.1 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXTL v6.1 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXTL v6.1 (Sheldrick, 2008)'
_diffrn_ambient_temperature      190(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       'CCD phi and omega 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  0.0311
_diffrn_reflns_av_sigmaI/netI    0.0251
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            40352
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         3.06
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    5.250
_exptl_absorpt_correction_T_max  0.432
_exptl_absorpt_correction_T_min  0.341
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'HKL Scalepack (Otwinowski & Minor, 1997)'
_exptl_crystal_colour            'pale orange yellow'
_exptl_crystal_density_diffrn    1.797
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1224
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.901
_refine_diff_density_min         -0.767
_refine_diff_density_rms         0.067
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.019
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     298
_refine_ls_number_reflns         5308
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.019
_refine_ls_R_factor_all          0.0492
_refine_ls_R_factor_gt           0.0325
_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^)+(0.0278P)^2^+2.5291P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0682
_refine_ls_wR_factor_ref         0.0739
_reflns_number_gt                4200
_reflns_number_total             5308
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg9008625_si_001.cif
_cod_data_source_block           fcp634
_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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_Hall     ' P -2ybc '
_cod_original_sg_symbol_H-M      ' P 21/c'
_cod_database_code               4502266