Dimeric nickel(II) carboxylates and a silanecarboxylate: [Ni(Me~3~CCOO)~2~(2,5-lutidine)]~2~, [Ni(MePh~2~CCOO)~2~(quinoline)]~2~.2CHCl~3~, [Ni(Me~2~PhCCOO)~2~(quinoline)]~2~, [Ni(Me~3~CCOO)~2~(2-ethylpyridine)]~2~, [Ni(Me~3~CCOO)~2~(2-picoline)]~2~ and [Ni(MePh~2~SiCOO)~2~(Ph~3~P)]~2~
Morooka, M.; Ohba, S.; Nakashima, M.; Tokii, T.; Muto, Y.; Kato, M.; Steward, O. W.; Acta Crystallographica Section C 48 (1992) 1888–1894; doi:10.1107/S0108270192005808

data_2000570
_publ_section_title
;
 Dimeric nickel(II) carboxylates and a silanecarboxylate:
 [Ni(Me~3~CCOO)~2~(2,5-lutidine)]~2~,
 [Ni(MePh~2~CCOO)~2~(quinoline)]~2~.2CHCl~3~,
 [Ni(Me~2~PhCCOO)~2~(quinoline)]~2~,
 [Ni(Me~3~CCOO)~2~(2-ethylpyridine)]~2~,
 [Ni(Me~3~CCOO)~2~(2-picoline)]~2~ and [Ni(MePh~2~SiCOO)~2~(Ph~3~P)]~2~
;
_journal_issue                   10
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              1888
_journal_page_last               1894
_journal_paper_doi               10.1107/S0108270192005808
_journal_volume                  48
_journal_year                    1992
_chemical_formula_moiety         'C92 H82 Ni2 O8 P2 Si4'
_chemical_formula_structural     '(Ni ((C H3) (C6 H5)2 Si C O2)2 (P (C6 H5)3))2'
_chemical_formula_sum            'C92 H82 Ni2 O8 P2 Si4'
_chemical_formula_weight         1607.3
_chemical_name_systematic
; tetrakis(\m-methyldiphenylsilanecarboxylato-O,O')bis(triphenylphosphine)
  dinickel
;
_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'
_audit_creation_method           from_xtal_archive_file_using_CIFIO
_cell_angle_alpha                90.00000
_cell_angle_beta                 112.921(4)
_cell_angle_gamma                90.00000
_cell_formula_units_Z            2
_cell_length_a                   14.4610(10)
_cell_length_b                   23.4320(10)
_cell_length_c                   13.5420(10)
_cell_measurement_reflns_used    33
_cell_measurement_temperature    299
_cell_measurement_theta_max      15
_cell_measurement_theta_min      12
_cell_volume                     4226.4(5)
_diffrn_ambient_temperature      299.0(10)
_diffrn_measurement_device       'Rigaku AFC-5 four-circle diffractometer'
_diffrn_measurement_method       '\q--2\q scan'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Xray tube'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     .71073
_diffrn_reflns_av_R_equivalents  0.017
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       0
_diffrn_reflns_limit_k_min       -30
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            8385
_diffrn_reflns_theta_max         27.5
_diffrn_reflns_theta_min         2.32
_diffrn_standards_decay_%        13.2
_diffrn_standards_interval_count 100
_diffrn_standards_number         5
_exptl_absorpt_coefficient_mu    0.592
_exptl_absorpt_correction_T_max  0.84
_exptl_absorpt_correction_T_min  0.76
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details   'Gauss numerical integration'
_exptl_crystal_colour            'dark green'
_exptl_crystal_density_diffrn    1.263
_exptl_crystal_density_meas      1.250(10)
_exptl_crystal_density_method    'flotation in n-butanol tetrachloromethane'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1680
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.50
_exptl_crystal_size_min          0.35
_refine_diff_density_max         .420
_refine_diff_density_min         -.535
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_obs   2.666
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           atomblock
_refine_ls_number_constraints    0
_refine_ls_number_parameters     652
_refine_ls_number_reflns         4341
_refine_ls_number_restraints     0
_refine_ls_R_factor_obs          .044
_refine_ls_shift/esd_max         0.222
_refine_ls_structure_factor_coef F
_refine_ls_weighting_scheme      'calc, w=1/\s'
_refine_ls_wR_factor_obs         .035
_reflns_number_observed          4341
_reflns_number_total             7989
_reflns_observed_criterion       |F~o~|>3\s(|F~o~|)
_cod_data_source_file            as1007.cif
_cod_data_source_block           VI
_cod_original_cell_volume        4226.4(4)
_cod_original_sg_symbol_Hall     -P_2yn
_cod_database_code               2000570