Formation and crystallographic elucidation of stable [4 + 2]-coordinate nickel(ii) N,S-heterocyclic carbene (NSHC) complexes
Ding, Nini; Zhang, Jun; Hor, T. S. Andy; Dalton Transactions  (2009) 1853–1858; doi:10.1039/b815876b

data_7000666
_publ_section_title
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 Formation and crystallographic elucidation of stable [4 +
 2]-coordinate nickel(ii) N,S-heterocyclic carbene (NSHC) complexes
;
_journal_issue                   10
_journal_name_full               'Dalton Transactions'
_journal_page_first              1853
_journal_page_last               1858
_journal_paper_doi               10.1039/b815876b
_journal_year                    2009
_chemical_formula_sum            'C16 H14 I2 N2 Ni S2'
_chemical_formula_weight         610.92
_chemical_name_systematic
;
?
;
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
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_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.503(2)
_cell_length_b                   10.9857(15)
_cell_length_c                   11.3689(16)
_cell_measurement_reflns_used    2584
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      21.59
_cell_measurement_theta_min      2.27
_cell_volume                     1936.3(5)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      223(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       '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  0.0453
_diffrn_reflns_av_sigmaI/netI    0.0482
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            13192
_diffrn_reflns_theta_full        27.45
_diffrn_reflns_theta_max         27.45
_diffrn_reflns_theta_min         2.27
_exptl_absorpt_coefficient_mu    4.406
_exptl_absorpt_correction_T_max  0.8435
_exptl_absorpt_correction_T_min  0.6199
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            Red
_exptl_crystal_density_diffrn    2.096
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    .
_exptl_crystal_description       Block
_exptl_crystal_F_000             1160
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.04
_exptl_crystal_size_min          0.04
_refine_diff_density_max         1.015
_refine_diff_density_min         -0.415
_refine_diff_density_rms         0.146
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.50(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.025
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     211
_refine_ls_number_reflns         4084
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.025
_refine_ls_R_factor_all          0.0564
_refine_ls_R_factor_gt           0.0485
_refine_ls_shift/su_max          0.034
_refine_ls_shift/su_mean         0.003
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0545P)^2^+2.9481P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1086
_refine_ls_wR_factor_ref         0.1128
_reflns_number_gt                3547
_reflns_number_total             4084
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b815876b.txt
_cod_data_source_block           Compound7
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
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 'Empirical' changed to
'empirical' 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_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_cell_volume        1936.2(5)
_cod_original_sg_symbol_H-M      Pna2(1)
_cod_database_code               7000666