Extended Structures of Transition Metal Complexes of 6,7-Dicyanodipyridoquinoxaline: π-Stacking, Weak Hydrogen Bonding, and CN···π Interactions
Stephenson, Maria D.; Hardie, Michaele J.; Crystal Growth & Design 6 (2006) 423–; doi:10.1021/cg050366t

data_4504616
_publ_section_title
;
 Extended Structures of Transition Metal Complexes of
 6,7-Dicyanodipyridoquinoxaline:&#x2009; \p-Stacking, Weak Hydrogen
 Bonding, and CN&#x00B7;&#x00B7;&#x00B7;\p Interactions
;
_journal_issue                   2
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              423
_journal_paper_doi               10.1021/cg050366t
_journal_volume                  6
_journal_year                    2006
_chemical_formula_sum            'C43.7 H22.8 Br2 Cu2 N12 O9.7'
_chemical_formula_weight         1158.04
_chemical_name_systematic
; 
 dibromobis(6,7-dicyanodipyridoquinoxaline)(benzene-1,3-dicarboxylate-2,4-carboxylic acid)dicopper(II) methanol 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'
_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                 95.7210(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.7461(4)
_cell_length_b                   14.0896(5)
_cell_length_c                   23.8855(9)
_cell_measurement_temperature    150(2)
_cell_volume                     4268.2(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type  CCD
_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  0.1062
_diffrn_reflns_av_sigmaI/netI    0.0674
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            30266
_diffrn_reflns_theta_full        23.43
_diffrn_reflns_theta_max         23.43
_diffrn_reflns_theta_min         2.24
_exptl_absorpt_coefficient_mu    2.945
_exptl_absorpt_correction_T_max  0.7775
_exptl_absorpt_correction_T_min  0.7572
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            'dark green'
_exptl_crystal_density_diffrn    1.802
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2298
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.09
_exptl_crystal_size_min          0.09
_refine_diff_density_max         1.971
_refine_diff_density_min         -0.756
_refine_diff_density_rms         0.156
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.071
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     630
_refine_ls_number_reflns         6175
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.071
_refine_ls_R_factor_all          0.0949
_refine_ls_R_factor_gt           0.0666
_refine_ls_shift/su_max          0.054
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0933P)^2^+17.6692P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1667
_refine_ls_wR_factor_ref         0.1888
_reflns_number_gt                4486
_reflns_number_total             6175
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg050366tsi20051006_114457.cif
_cod_data_source_block           c:\
_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.

'_exptl_absorpt_correction_type' value 'multiscan'
changed to 'multi-scan' 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 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_original_formula_sum        'C43.70 H22.80 Br2 Cu2 N12 O9.70'
_cod_database_code               4504616