Azines possessing strong push?pull donors/acceptorsElectronic supplementary information (ESI) available: characterisation data, CIF files, atomic coordinates, bond length correlations, and details of the SHG studies. See http://www.rsc.org/suppdata/cc/b4/b404129a/
Choytun, Dharinee D.; Langlois, Lisa D.; Johansson, Thomas P.; Macdonald, Charles L. B.; Leach, Gary W.; Weinberg, Noham; Clyburne, Jason A. C.; Chemical Communications  (2004) 1842–1843; doi:10.1039/b404129a

data_7110286
_publ_section_title
;
 Azines possessing strong push?pull donors/acceptorsElectronic
 supplementary information (ESI) available: characterisation data, CIF
 files, atomic coordinates, bond length correlations, and details of the
 SHG studies. See http://www.rsc.org/suppdata/cc/b4/b404129a/
;
_journal_issue                   16
_journal_name_full               'Chemical Communications'
_journal_page_first              1842
_journal_page_last               1843
_journal_paper_doi               10.1039/b404129a
_journal_year                    2004
_chemical_formula_sum            'C34 H30 Cl2 N4'
_chemical_formula_weight         565.52
_chemical_name_systematic
;
?
;
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.5020(5)
_cell_length_b                   11.0120(5)
_cell_length_c                   25.2110(12)
_cell_measurement_reflns_used    8333
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.46
_cell_volume                     2915.6(2)
_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    'Bruker SHELXTL'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0456
_diffrn_reflns_av_sigmaI/netI    0.0460
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            11349
_diffrn_reflns_theta_full        20.00
_diffrn_reflns_theta_max         20.00
_diffrn_reflns_theta_min         2.02
_exptl_absorpt_coefficient_mu    0.253
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.288
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1184
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.4
_refine_diff_density_max         0.111
_refine_diff_density_min         -0.144
_refine_diff_density_rms         0.027
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.24(12)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.067
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     495
_refine_ls_number_reflns         2700
_refine_ls_number_restraints     2030
_refine_ls_restrained_S_all      0.827
_refine_ls_R_factor_all          0.0540
_refine_ls_R_factor_gt           0.0448
_refine_ls_shift/su_max          0.357
_refine_ls_shift/su_mean         0.046
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0353P)^2^+0.6365P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0901
_refine_ls_wR_factor_ref         0.0933
_reflns_number_gt                2246
_reflns_number_total             2700
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b404129asup1.cif
_cod_data_source_block           cmjc61
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      Pna2(1)
_cod_database_code               7110286