Cocrystals of 2-(2,4,5,7-tetranitrofluoren-9-ylidene)propanedinitrile and 2,4,5,7-tetranitrofluoren-9-one with chlorobenzene
Batsanov, Andrei S.; Perepichka, Igor F.; Bryce, Martin R.; Howard, Judith A. K.; Acta Crystallographica Section C 57 (2001) 1299–1302; doi:10.1107/S0108270101011556

data_2012318
_publ_section_title
;
 Cocrystals of 2-(2,4,5,7-tetranitrofluoren-9-ylidene)propanedinitrile
 and 2,4,5,7-tetranitrofluoren-9-one with chlorobenzene
;
_journal_issue                   11
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              1299
_journal_page_last               1302
_journal_paper_doi               10.1107/S0108270101011556
_journal_volume                  57
_journal_year                    2001
_chemical_formula_iupac          'C16 H4 N6 O8 , C6 H5 Cl'
_chemical_formula_moiety         'C16 H4 N6 O8 , C6 H5 Cl'
_chemical_formula_sum            'C22 H9 Cl N6 O8'
_chemical_formula_weight         520.80
_chemical_name_systematic
;2-(2,4,5,7-tetranitrofluorene-9-ylidene)propanedinitrile chlorobenzene
 solvate
;
_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'
_audit_creation_method           SHELXL97
_cell_angle_alpha                90
_cell_angle_beta                 118.330(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   16.823(2)
_cell_length_b                   8.360(6)
_cell_length_c                   17.461(3)
_cell_measurement_reflns_used    512
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      20
_cell_measurement_theta_min      12
_cell_volume                     2161.6(16)
_computing_cell_refinement       SMART
_computing_data_collection       'SMART (Siemens, 1995)'
_computing_data_reduction        'SAINT (Siemens, 1995)'
_computing_molecular_graphics    'SHELXTL (Siemens, 1995)'
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS86 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 8
_diffrn_measured_fraction_theta_full 1.00
_diffrn_measured_fraction_theta_max 1.00
_diffrn_measurement_device_type  'Siemens SMART 1K CCD area-detector'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     .71073
_diffrn_reflns_av_R_equivalents  .034
_diffrn_reflns_av_sigmaI/netI    .023
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            22991
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.38
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    .243
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.600
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1056
_exptl_crystal_size_max          .28
_exptl_crystal_size_mid          .22
_exptl_crystal_size_min          .18
_refine_diff_density_max         .30
_refine_diff_density_min         -.54
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.102
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     370
_refine_ls_number_reflns         4962
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.102
_refine_ls_R_factor_all          .050
_refine_ls_R_factor_gt           .038
_refine_ls_shift/su_max          <0.001
_refine_ls_shift/su_mean         .000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w = 1/[\s^2^(Fo^2^)+(0.0297P)^2^+1.4795P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         .092
_reflns_number_gt                4169
_reflns_number_total             4962
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            gg1068.cif
_cod_data_source_block           I
_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 

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_values 1715 2011-07-08 13:25:40Z adriana 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' 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_sg_symbol_H-M      'P 21/c'
_cod_database_code               2012318
_cod_database_fobs_code          2012318