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_4504619
_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
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_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            'C32 H12 Br2 Co N12'
_chemical_formula_weight         783.29
_chemical_name_systematic
; 
 bis(6,7-dicyanodipyridoquinoxaline)cobalt(II) bromide
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 97.9390(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.4282(2)
_cell_length_b                   12.8044(2)
_cell_length_c                   27.6508(6)
_cell_measurement_temperature    150(2)
_cell_volume                     2955.42(11)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0989
_diffrn_reflns_av_sigmaI/netI    0.0637
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       35
_diffrn_reflns_limit_l_min       -35
_diffrn_reflns_number            18571
_diffrn_reflns_theta_full        27.47
_diffrn_reflns_theta_max         27.47
_diffrn_reflns_theta_min         1.49
_exptl_absorpt_coefficient_mu    3.332
_exptl_absorpt_correction_T_max  0.8002
_exptl_absorpt_correction_T_min  0.5554
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.760
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1540
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.640
_refine_diff_density_min         -1.542
_refine_diff_density_rms         0.234
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.091
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     213
_refine_ls_number_reflns         3382
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.091
_refine_ls_R_factor_all          0.0716
_refine_ls_R_factor_gt           0.0428
_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^)+(0.0713P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1001
_refine_ls_wR_factor_ref         0.1299
_reflns_number_gt                2497
_reflns_number_total             3382
_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:

'_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      C2/c
_cod_database_code               4504619