Polarity formation in solid solutions: (4,4'-dinitrostilbene)1 ‒ x(4-chloro-4'-nitrostilbene)x, 1 > x > 0
Kluge, S.; Dohnke, I.; Budde, F.; Hulliger, J.; CrystEngComm 5 (2003) 67–; doi:10.1039/b211829g

data_7204576
_publ_section_title
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 Polarity formation in solid solutions:
 (4,4'-dinitrostilbene)1&#x2009;--&#x2009;x(4-chloro-4'-nitrostilbene)x,
 1 &gt; x &gt; 0
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_journal_issue                   14
_journal_name_full               CrystEngComm
_journal_page_first              67
_journal_paper_doi               10.1039/b211829g
_journal_volume                  5
_journal_year                    2003
_chemical_formula_sum            'C14 H10 Cl N O2'
_chemical_formula_weight         259.68
_chemical_name_systematic
; 
? 
;
_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'
_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                 93.91(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   3.8364(10)
_cell_length_b                   12.916(2)
_cell_length_c                   12.221(3)
_cell_measurement_reflns_used    1985
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      25.98
_cell_measurement_theta_min      2.30
_cell_volume                     604.2(2)
_computing_cell_refinement       'CELL (Stoe IPDS Software, 2000)'
_computing_data_collection       'EXPOSE (Stoe IPDS Software, 2000)'
_computing_data_reduction        'INTEGRATE (Stoe IPDS Software, 2000)'
_computing_molecular_graphics    'PLATON99 (Spek, 1990)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      153(2)
_diffrn_detector_area_resol_mean 0.81\%A
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'STOE IPDS'
_diffrn_measurement_method       'phi oscillation'
_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  0.1500
_diffrn_reflns_av_sigmaI/netI    0.1030
_diffrn_reflns_limit_h_max       4
_diffrn_reflns_limit_h_min       -4
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            4586
_diffrn_reflns_theta_full        25.98
_diffrn_reflns_theta_max         25.98
_diffrn_reflns_theta_min         2.30
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.308
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.427
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             268
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.269
_refine_diff_density_min         -0.480
_refine_diff_density_rms         0.105
_refine_ls_extinction_coef       0.039(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   0.865
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     102
_refine_ls_number_reflns         1175
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.865
_refine_ls_R_factor_all          0.1116
_refine_ls_R_factor_gt           0.0727
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0983P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1628
_refine_ls_wR_factor_ref         0.1783
_reflns_number_gt                644
_reflns_number_total             1175
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b211829g.txt
_cod_data_source_block           sk-01
_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 
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7204576