A Novel Nickel-Containing Chain-Like Polymer: [{Ni(NH~3~)~4~}Ni{S~2~C= C(CN)~2~}~2~]~{∞~}
Zhu, Y.; Lu, S.; Huang, X.; Wu, Q.; Yu, R.; Huang, J.; Acta Crystallographica Section C 51 (1995) 1515–1517; doi:10.1107/S010827019500182X

data_2003738
_publ_section_title
;
 A Novel Nickel-Containing Chain-Like Polymer: [{Ni(NH~3~)~4~}Ni{S~2~C=
 C(CN)~2~}~2~]~{\\infty ~}
;
_journal_issue                   8
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              1515
_journal_page_last               1517
_journal_paper_doi               10.1107/S010827019500182X
_journal_volume                  51
_journal_year                    1995
_chemical_formula_sum            'C8 H12 N8 Ni2 S4'
_chemical_formula_weight         465.88
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_type_scat_source           IntTabIV
_cell_angle_alpha                90
_cell_angle_beta                 106.26(1)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   9.539(2)
_cell_length_b                   9.684(1)
_cell_length_c                   10.218(1)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    296
_cell_measurement_theta_max      14.71
_cell_measurement_theta_min      8.31
_cell_volume                     906.1(2)
_diffrn_measurement_device       'Enraf-Nonius CAD-4'
_diffrn_measurement_method       '\w/2\q scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.00817
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            2216
_diffrn_reflns_theta_max         27
_diffrn_standards_decay_%        0.3
_diffrn_standards_interval_count 300
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    2.538
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.873
_exptl_absorpt_correction_type   'empirical, \y scan'
_exptl_crystal_colour            'dark brown'
_exptl_crystal_density_diffrn    1.71
_exptl_crystal_description       Block
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.49
_refine_diff_density_min         -0.41
_refine_ls_extinction_coef       'secondary: 1.923 x 10^-7^'
_refine_ls_extinction_method
'TEXSAN 2.0 (Molecular Structure Corporation, 1989)'
_refine_ls_goodness_of_fit_obs   1.28
_refine_ls_hydrogen_treatment    noref
_refine_ls_number_parameters     104
_refine_ls_number_reflns         1353
_refine_ls_R_factor_obs          0.043
_refine_ls_shift/esd_max         0.004
_refine_ls_structure_factor_coef F
_refine_ls_weighting_scheme
;
\w = 1/\s^2^(F)
;
_refine_ls_wR_factor_obs         0.053
_reflns_number_observed          1440
_reflns_number_total             2118
_reflns_observed_criterion       I>3\s(I)
_cod_data_source_file            ab1237.cif
_cod_data_source_block           ab1237a
_cod_original_cell_volume        906.1(5)
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2003738