Diaquadichloridobis[quinazolin-4(1<i>H</i>)-one-κ<i>N</i>^3^]nickel(II)
Shomurotova, Shirin; Turgunov, Kambarali K.; Mukhamedov, Nasir; Tashkhodjaev, Bakhodir; Acta Crystallographica Section E 68 (2012) m724–; doi:10.1107/S1600536812019381

data_2235069
_publ_section_title
;
 Diaquadichloridobis[quinazolin-4(1<i>H</i>)-one-\k<i>N</i>^3^]nickel(II)
;
_journal_coeditor_code           HG5221
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              m724
_journal_paper_doi               10.1107/S1600536812019381
_journal_volume                  68
_journal_year                    2012
_chemical_formula_iupac          '[Ni Cl2 (C8 H6 N2 O)2 (H2 O)2]'
_chemical_formula_moiety         'C16 H16 Cl2 N4 Ni O4'
_chemical_formula_sum            'C16 H16 Cl2 N4 Ni O4'
_chemical_formula_weight         457.94
_chemical_name_systematic
;
Diaquadichloridobis[quinazolin-4(1<i>H</i>)-one-\k<i>N</i>^3^]nickel(II)
;
_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                 93.782(8)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   6.7800(5)
_cell_length_b                   18.741(2)
_cell_length_c                   6.6106(5)
_cell_measurement_reflns_used    792
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      75.5919
_cell_measurement_theta_min      4.7208
_cell_volume                     838.14(13)
_computing_cell_refinement       'CrysAlis PRO (Oxford Diffraction, 2009)'
_computing_data_collection       'CrysAlis PRO (Oxford Diffraction, 2009)'
_computing_data_reduction        'CrysAlis PRO (Oxford Diffraction, 2009)'
_computing_molecular_graphics    'XP in SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'publCIF (Westrip, 2010)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      295(2)
_diffrn_detector_area_resol_mean 10.2576
_diffrn_measured_fraction_theta_full 0.963
_diffrn_measured_fraction_theta_max 0.963
_diffrn_measurement_device_type  'Oxford Diffraction Xcalibur Ruby'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Cu) X-ray Source'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0468
_diffrn_reflns_av_sigmaI/netI    0.0841
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            3040
_diffrn_reflns_theta_full        75.86
_diffrn_reflns_theta_max         75.86
_diffrn_reflns_theta_min         4.72
_exptl_absorpt_coefficient_mu    4.915
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.62142
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(CrysAlis PRO; Oxford Diffraction, 2009)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.815
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'Rhombic plates'
_exptl_crystal_F_000             468
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.749
_refine_diff_density_min         -0.514
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.935
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     132
_refine_ls_number_reflns         1686
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      0.935
_refine_ls_R_factor_all          0.0936
_refine_ls_R_factor_gt           0.0522
_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^)+(0.0729P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1218
_refine_ls_wR_factor_ref         0.1387
_reflns_number_gt                1046
_reflns_number_total             1686
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            hg5221.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2235069
_cod_database_fobs_code          2235069