Syntheses and Crystal Structures of Metal Complexes with 2,2′-Biimidazole-like Ligand and Chloride: Investigation of X−H···Cl (X = N, O, and C) Hydrogen Bonding and Cl−π (imidazolyl) Interactions
Zhong, Yong-Rui; Cao, Man-Li; Mo, Hao-Jun; Ye, Bao-Hui; Crystal Growth & Design 8 (2008) 2282–; doi:10.1021/cg700980v

data_4517094
_publ_section_title
;
 Syntheses and Crystal Structures of Metal Complexes with
 2,2&#x2032;-Biimidazole-like Ligand and Chloride: Investigation of
 X&#x2212;H&#x00B7;&#x00B7;&#x00B7;Cl (X = N, O, and C) Hydrogen Bonding
 and Cl&#x2212;\p (imidazolyl) Interactions
;
_journal_issue                   7
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              2282
_journal_paper_doi               10.1021/cg700980v
_journal_volume                  8
_journal_year                    2008
_chemical_formula_sum            'C12 H16 Cl2 N8 Ni O2'
_chemical_formula_weight         433.92
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_cell_setting           monoclinic
_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                 121.31(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   8.188(5)
_cell_length_b                   8.672(5)
_cell_length_c                   14.513(6)
_cell_measurement_reflns_used    3568
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.91
_cell_measurement_theta_min      2.15
_cell_volume                     880.4(8)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.976
_diffrn_measured_fraction_theta_max 0.976
_diffrn_measurement_device_type  '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  0.0190
_diffrn_reflns_av_sigmaI/netI    0.0288
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            3568
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.87
_diffrn_standards_decay_%        negligible
_exptl_absorpt_coefficient_mu    1.430
_exptl_absorpt_correction_T_max  0.8359
_exptl_absorpt_correction_T_min  0.5291
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.637
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             444
_exptl_crystal_size_max          0.51
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.490
_refine_diff_density_min         -0.239
_refine_diff_density_rms         0.062
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.001
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     129
_refine_ls_number_reflns         1694
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.001
_refine_ls_R_factor_all          0.0352
_refine_ls_R_factor_gt           0.0313
_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^)+(0.0640P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0871
_refine_ls_wR_factor_ref         0.0899
_reflns_number_gt                1503
_reflns_number_total             1694
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg700980v-file003.cif
_cod_data_source_block           complex_1
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4517094