Syntheses and Characterization of the Metal Maleonitrilediselenolates [K([2.2.2]-cryptand)]2[M(Se2C2(CN)2)2] (M = Ni, Pd, Pt) and [Ni(dmf)5Cl]2[Ni(Se2C2(CN)2)2]
Craig C. McLauchlan; Scott D. Robowski; James A. Ibers; Inorganic Chemistry 40 (2001) 1372–1375; doi:10.1021/ic0008666

data_4319356
_publ_section_title
;
 Syntheses and Characterization of the Metal Maleonitrilediselenolates
 [K([2.2.2]-cryptand)]2[M(Se2C2(CN)2)2] (M = Ni, Pd, Pt) and
 [Ni(dmf)5Cl]2[Ni(Se2C2(CN)2)2]
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              1372
_journal_page_last               1375
_journal_paper_doi               10.1021/ic0008666
_journal_volume                  40
_journal_year                    2001
_chemical_formula_sum            'C38 H70 Cl2 N14 Ni3 O10 Se4'
_chemical_formula_weight         1445.95
_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                110.08(3)
_cell_angle_beta                 95.23(3)
_cell_angle_gamma                93.72(3)
_cell_formula_units_Z            1
_cell_length_a                   8.8420(18)
_cell_length_b                   13.161(3)
_cell_length_c                   13.831(3)
_cell_measurement_temperature    153(2)
_cell_volume                     1497.4(6)
_computing_cell_refinement       'SMART Version 5.054 (Bruker, 1997)'
_computing_data_collection       'SMART Version 5.054 (Bruker, 1997)'
_computing_data_reduction        'SAINT+ Version 6.0 (Bruker, 1997)'
_computing_molecular_graphics    'SHELX-97 (Sheldrick, 1997)'
_computing_publication_material  'SHELX-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      153(2)
_diffrn_measured_fraction_theta_full 0.937
_diffrn_measured_fraction_theta_max 0.937
_diffrn_measurement_device_type  'Bruker AXS SMART-1000 CCD'
_diffrn_measurement_method       /w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'standard sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0190
_diffrn_reflns_av_sigmaI/netI    0.0325
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            13901
_diffrn_reflns_theta_full        28.29
_diffrn_reflns_theta_max         28.29
_diffrn_reflns_theta_min         1.58
_exptl_absorpt_coefficient_mu    3.512
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.603
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             730
_refine_diff_density_max         0.940
_refine_diff_density_min         -0.490
_refine_diff_density_rms         0.075
_refine_ls_extinction_coef       0.0000(2)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.065
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     318
_refine_ls_number_reflns         6988
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.065
_refine_ls_R_factor_all          0.0389
_refine_ls_R_factor_gt           0.0282
_refine_ls_shift/su_max          13.098
_refine_ls_shift/su_mean         0.043
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
; calc 
 1/[\s^2^(Fo^2^)+(0.0300Fo^2^)^2^] 
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0629
_refine_ls_wR_factor_ref         0.0649
_reflns_number_gt                5546
_reflns_number_total             6988
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic0008666_1.cif
_cod_data_source_block           last
_cod_original_cell_volume        1497.4(5)
_cod_database_code               4319356