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

data_4508702
_publ_section_title
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 Structures and Chromogenic Properties of Bisimidazole Derivatives
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_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         'C36 H27 N4, 3(C2 H4 O2), C2 H3 O2'
_chemical_formula_sum            'C44 H42 N4 O8'
_chemical_formula_weight         754.82
_chemical_name_systematic
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 2,2'-(1,4-phenylene)bis[4,5-diphenyl-1H-imidazole] (9CI)
 Acetic acid clathrate
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                66.470(10)
_cell_angle_beta                 82.71(2)
_cell_angle_gamma                69.570(10)
_cell_formula_units_Z            2
_cell_length_a                   10.121(2)
_cell_length_b                   14.163(3)
_cell_length_c                   15.828(3)
_cell_measurement_reflns_used    6950
_cell_measurement_temperature    230(2)
_cell_measurement_theta_max      27.485
_cell_measurement_theta_min      1.018
_cell_volume                     1949.1(7)
_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 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0542
_diffrn_reflns_av_sigmaI/netI    0.1103
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            12136
_diffrn_reflns_theta_full        25.05
_diffrn_reflns_theta_max         25.05
_diffrn_reflns_theta_min         2.15
_diffrn_standards_decay_%        none
_diffrn_standards_interval_count none
_diffrn_standards_interval_time  none
_diffrn_standards_number         none
_exptl_absorpt_coefficient_mu    0.089
_exptl_absorpt_correction_type   none
_exptl_absorpt_process_details   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.286
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             796
_exptl_crystal_size_max          0.54
_exptl_crystal_size_mid          0.42
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.166
_refine_diff_density_min         -0.215
_refine_diff_density_rms         0.037
_refine_ls_extinction_coef       0.0218(16)
_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   0.904
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     538
_refine_ls_number_reflns         6867
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.904
_refine_ls_R_factor_all          0.1267
_refine_ls_R_factor_gt           0.0515
_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^)+(0.0525P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1023
_refine_ls_wR_factor_ref         0.1182
_reflns_number_gt                3467
_reflns_number_total             6867
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg060107jsup6.cif
_cod_data_source_block           natalia63
_cod_depositor_comments
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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 
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_cod_database_code               4508702