1:1 Complexes of 2,3,5,6-tetrachlorobenzene-1,4-dicarbonitrile with pyrene and phenanthrene: pseudo-isomorphs
Britton, Doyle; Acta Crystallographica Section C 61 (2005) o662–o664; doi:10.1107/S0108270105032002

data_2015176
_publ_section_title
;
 1:1 Complexes of 2,3,5,6-tetrachlorobenzene-1,4-dicarbonitrile with
 pyrene and phenanthrene: pseudo-isomorphs
;
_journal_coeditor_code           LN1185
_journal_issue                   11
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o662
_journal_page_last               o664
_journal_paper_doi               10.1107/S0108270105032002
_journal_volume                  61
_journal_year                    2005
_chemical_formula_iupac          'C8 Cl4 N2 , C16 H10'
_chemical_formula_moiety         'C8 Cl4 N2 , C16 H10'
_chemical_formula_sum            'C24 H10 Cl4 N2'
_chemical_formula_weight         468.14
_chemical_name_systematic
;
2,3,5,6-tetrachlorobenzene-1,4-dicarbonitrile--pyrene (1/1)
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXTL
_cell_angle_alpha                90.00
_cell_angle_beta                 104.780(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   7.0679(18)
_cell_length_b                   15.983(4)
_cell_length_c                   8.907(2)
_cell_measurement_reflns_used    3295
_cell_measurement_temperature    174(2)
_cell_measurement_theta_max      25.0
_cell_measurement_theta_min      2.5
_cell_volume                     972.9(4)
_computing_cell_refinement       'SAINT (Bruker, 2002)'
_computing_data_collection       'SMART (Bruker, 2002)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    SHELXTL
_computing_publication_material  SHELXTL
_computing_structure_refinement  SHELXTL
_computing_structure_solution    'SHELXTL (Sheldrick, 1997)'
_diffrn_ambient_temperature      174(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'Siemens SMART area-detector'
_diffrn_measurement_method       \w
_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  0.023
_diffrn_reflns_av_sigmaI/netI    0.028
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            4778
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         2.55
_diffrn_standards_decay_%        <1
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.624
_exptl_absorpt_correction_T_max  0.97
_exptl_absorpt_correction_T_min  0.91
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996; Blessing, 1995)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.598
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             472
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.29
_refine_diff_density_min         -0.21
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.06
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     136
_refine_ls_number_reflns         1700
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.06
_refine_ls_R_factor_all          0.041
_refine_ls_R_factor_gt           0.032
_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^)+(0.043P)^2^+0.306P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.077
_refine_ls_wR_factor_ref         0.081
_reflns_number_gt                1474
_reflns_number_total             1700
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ln1185.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2015176
_cod_database_fobs_code          2015176