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_7210099
_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            'C26 H32 N2 Ni O2 S4'
_chemical_formula_weight         591.49
_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                98.677(8)
_cell_angle_beta                 97.771(8)
_cell_angle_gamma                106.057(9)
_cell_formula_units_Z            1
_cell_length_a                   6.4140(6)
_cell_length_b                   7.9477(8)
_cell_length_c                   14.5825(13)
_cell_measurement_reflns_used    5170
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      3.32
_cell_volume                     693.83(12)
_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 0.955
_diffrn_measured_fraction_theta_max 0.955
_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  0.0598
_diffrn_reflns_av_sigmaI/netI    0.1568
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            5170
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.32
_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    1.026
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.940
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'ABSPACK, Oxford Diffraction Ltd'
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.416
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             310
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.344
_refine_diff_density_min         -0.388
_refine_diff_density_rms         0.083
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.903
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     160
_refine_ls_number_reflns         3039
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.903
_refine_ls_R_factor_all          0.1713
_refine_ls_R_factor_gt           0.0669
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
;
_refine_ls_weighting_details
w=1/[\s^2^(Fo^2^)+(0.0274P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0965
_refine_ls_wR_factor_ref         0.1239
_reflns_number_gt                1423
_reflns_number_total             3039
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ce27096c.txt
_cod_data_source_block           3
_cod_original_cell_volume        693.83(11)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7210099