Unusual C‒H⋯Ni anagostic interactions in new homoleptic Ni(ii) dithio complexes
Rajput, Gunjan; Singh, Vikram; Gupta, Ajit N.; Yadav, Manoj Kumar; Kumar, Vinod; Singh, Santosh Kumar; Prasad, Akhilesh; Drew, Michael G. B.; Singh, Nanhai; CrystEngComm 15 (2013) 4676–; doi:10.1039/c3ce27096c

data_7210100
_publ_section_title
;
 Unusual C--H&#x22EF;Ni anagostic interactions in new homoleptic Ni(ii)
 dithio complexes
;
_journal_issue                   23
_journal_name_full               CrystEngComm
_journal_page_first              4676
_journal_paper_doi               10.1039/c3ce27096c
_journal_volume                  15
_journal_year                    2013
_chemical_formula_sum            'C28 H26 N4 Ni S4'
_chemical_formula_weight         605.48
_chemical_name_systematic
;
?
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                76.000(19)
_cell_angle_beta                 80.634(19)
_cell_angle_gamma                73.41(2)
_cell_formula_units_Z            1
_cell_length_a                   6.4456(14)
_cell_length_b                   10.110(2)
_cell_length_c                   11.407(3)
_cell_measurement_reflns_used    5137
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.50
_cell_measurement_theta_min      3.11
_cell_volume                     687.7(3)
_computing_cell_refinement       'Crysalis, Oxford Diffraction'
_computing_data_collection       'Crysalis, Oxford Diffraction'
_computing_data_reduction        'Crysalis, Oxford Diffraction'
_computing_molecular_graphics    PLATON(Spek,2004)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.953
_diffrn_measured_fraction_theta_max 0.953
_diffrn_measurement_device       'Oxford Diffaction X-Calibur System'
_diffrn_measurement_method       '321 frames, counting time 10 s.'
_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  0.0659
_diffrn_reflns_av_sigmaI/netI    0.1074
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            5137
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         3.11
_diffrn_standards_decay_%        n/a
_diffrn_standards_interval_count n/a
_diffrn_standards_interval_time  n/a
_diffrn_standards_number         n/a
_exptl_absorpt_coefficient_mu    1.035
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.59515
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'ABSPACK, Oxford Diffraction Ltd'
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.462
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             314
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.784
_refine_diff_density_min         -0.605
_refine_diff_density_rms         0.109
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.132
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     172
_refine_ls_number_reflns         3018
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.132
_refine_ls_R_factor_all          0.1379
_refine_ls_R_factor_gt           0.0867
_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^)+(0.1171P)^2^+0.6119P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2541
_refine_ls_wR_factor_ref         0.2835
_reflns_number_gt                1792
_reflns_number_total             3018
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ce27096c.txt
_cod_data_source_block           4
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7210100