Structures and Chromogenic Properties of Bisimidazole Derivatives
Fridman, N.; Speiser, S.; Kaftory, M.; Crystal Growth & Design 6 (2006) 1653–; doi:10.1021/cg060107j

data_4508697
_publ_section_title
;
 Structures and Chromogenic Properties of Bisimidazole Derivatives
;
_journal_issue                   7
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              1653
_journal_paper_doi               10.1021/cg060107j
_journal_volume                  6
_journal_year                    2006
_chemical_formula_moiety         'C38 H30 N4, 2(C O H4)'
_chemical_formula_sum            'C40 H38 N4 O2'
_chemical_formula_weight         606.74
_chemical_name_systematic
;
 1H-Imidazole, 2,2'-(1,4-phenylene)bis[1-methyl-4,5-diphenyl]
 Methanol chlathrate
;
_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                 117.98(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   12.762(3)
_cell_length_b                   12.001(2)
_cell_length_c                   12.175(2)
_cell_measurement_reflns_used    2631
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.485
_cell_measurement_theta_min      1.018
_cell_volume                     1646.7(6)
_computing_cell_refinement       'Denzo SMN (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Nonius, 2000)'
_computing_data_reduction        'Denzo SMN (Otwinowski & Minor 1997)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 95
_diffrn_measured_fraction_theta_full 0.948
_diffrn_measured_fraction_theta_max 0.948
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       'phi scan & omega scan'
_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  0.1121
_diffrn_reflns_av_sigmaI/netI    0.2468
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            4740
_diffrn_reflns_theta_full        25.05
_diffrn_reflns_theta_max         25.05
_diffrn_reflns_theta_min         2.48
_diffrn_standards_decay_%        none
_diffrn_standards_interval_count none
_diffrn_standards_interval_time  none
_diffrn_standards_number         none
_exptl_absorpt_coefficient_mu    0.076
_exptl_absorpt_correction_type   none
_exptl_absorpt_process_details   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.224
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             644
_exptl_crystal_size_max          0.54
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.175
_refine_diff_density_min         -0.150
_refine_diff_density_rms         0.037
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.729
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     226
_refine_ls_number_reflns         2773
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.729
_refine_ls_R_factor_all          0.2159
_refine_ls_R_factor_gt           0.0507
_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^)+(0.0310P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0934
_refine_ls_wR_factor_ref         0.1142
_reflns_number_gt                881
_reflns_number_total             2773
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg060107jsup10.cif
_cod_data_source_block           natalia86
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'none' 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_original_cell_volume        1646.7(5)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4508697