Synthesis and Crystal Structure of 1,1′-Butane-1,4-diyl-dibenzimidazolium Picrate
YAN, Zhen-Zhong; HOU, Na; LIANG, Hua-Ding; ZHAO, Song-Lin; TANG, Yu; X-ray Structure Analysis Online 25 (2009) 31–; doi:10.2116/xraystruct.25.31

data_1551780
_publ_section_title
;
 Synthesis and Crystal Structure of
 1,1&#x2032;-Butane-1,4-diyl-dibenzimidazolium Picrate
;
_journal_name_full               'X-ray Structure Analysis Online'
_journal_page_first              31
_journal_paper_doi               10.2116/xraystruct.25.31
_journal_volume                  25
_journal_year                    2009
_chemical_formula_sum            'C32 H32 N10 O16'
_chemical_formula_weight         812.68
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_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                100.000(4)
_cell_angle_beta                 104.942(3)
_cell_angle_gamma                94.865(4)
_cell_formula_units_Z            1
_cell_length_a                   6.9285(6)
_cell_length_b                   10.8287(9)
_cell_length_c                   12.9941(11)
_cell_measurement_reflns_used    none
_cell_measurement_temperature    294(2)
_cell_measurement_theta_max      0.9760
_cell_measurement_theta_min      0.9580
_cell_volume                     918.99(14)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      294(2)
_diffrn_measured_fraction_theta_full 0.975
_diffrn_measured_fraction_theta_max 0.975
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       '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  0.0138
_diffrn_reflns_av_sigmaI/netI    0.0270
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            4870
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         1.66
_diffrn_standards_decay_%        none
_exptl_absorpt_coefficient_mu    0.120
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.468
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             422
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.701
_refine_diff_density_min         -0.381
_refine_diff_density_rms         0.060
_refine_ls_extinction_coef       0.013(4)
_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   1.061
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     282
_refine_ls_number_reflns         3334
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.061
_refine_ls_R_factor_all          0.0861
_refine_ls_R_factor_gt           0.0640
_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^)+(0.1019P)^2^+0.3880P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1709
_refine_ls_wR_factor_ref         0.1932
_reflns_number_gt                2375
_reflns_number_total             3334
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            25_31_1.cif
_cod_data_source_block           p-1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to
/home/andrius/struct/COD-crude-data/automatic-downloads/current/J-STAGE/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 6524 2018-11-02 12:15:13Z antanas 
;
_cod_original_cell_volume        918.99(13)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               1551780