Structures of hybrid inorganic‒organic salts with benzidine dication derivatives
Dobrzycki, Lukasz; Woźniak, Krzysztof; CrystEngComm 10 (2008) 525–; doi:10.1039/b714587j

data_7201761
_publ_section_title
;
 Structures of hybrid inorganic--organic salts with benzidine dication
 derivatives
;
_journal_issue                   5
_journal_name_full               CrystEngComm
_journal_page_first              525
_journal_paper_doi               10.1039/b714587j
_journal_volume                  10
_journal_year                    2008
_chemical_formula_sum            'C14 H18 Cl4 Hg N2'
_chemical_formula_weight         556.69
_chemical_name_systematic
;
?
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 107.361(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   23.7172(16)
_cell_length_b                   6.6016(6)
_cell_length_c                   23.7876(16)
_cell_measurement_temperature    100(2)
_cell_volume                     3554.8(5)
_computing_cell_refinement
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.28cycle2 beta (release 25-10-2005 CrysAlis171 .NET)
(compiled Oct 25 2005,08:50:05)
;
_computing_data_collection
;
CrysAlis CCD, Oxford Diffraction Ltd.,
Version 1.171.28cycle2 beta (release 25-10-2005 CrysAlis171 .NET)
(compiled Oct 25 2005,08:50:05)
;
_computing_data_reduction
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.28cycle2 beta (release 25-10-2005 CrysAlis171 .NET)
(compiled Oct 25 2005,08:50:05)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.6479
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.955
_diffrn_measurement_device_type  KM4CCD
_diffrn_measurement_method       '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  0.0409
_diffrn_reflns_av_sigmaI/netI    0.0576
_diffrn_reflns_limit_h_max       31
_diffrn_reflns_limit_h_min       -30
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            31436
_diffrn_reflns_theta_full        28.00
_diffrn_reflns_theta_max         28.72
_diffrn_reflns_theta_min         2.90
_diffrn_standards_decay_%        2
_diffrn_standards_number         '1 frame'
_exptl_absorpt_coefficient_mu    9.255
_exptl_absorpt_correction_T_max  0.83
_exptl_absorpt_correction_T_min  0.09
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.28cycle2 beta (release 25-10-2005 CrysAlis171 .NET)
(compiled Oct 25 2005,08:50:05)
Analytical numeric absorption correction using a multifaceted crystal
model based on expressions derived by R.C. Clark & J.S. Reid.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.080
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             2112
_exptl_crystal_size_max          0.57
_exptl_crystal_size_mid          0.02
_exptl_crystal_size_min          0.02
_refine_diff_density_max         1.818
_refine_diff_density_min         -1.021
_refine_diff_density_rms         0.338
_refine_ls_extinction_coef       0.00051(3)
_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   0.986
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     195
_refine_ls_number_reflns         4385
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.986
_refine_ls_R_factor_all          0.0642
_refine_ls_R_factor_gt           0.0282
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0431P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0660
_refine_ls_wR_factor_ref         0.0842
_reflns_number_gt                2537
_reflns_number_total             4385
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b714587j.txt
_cod_data_source_block           1_HgCl4
_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 
;
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7201761