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_2000568
_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         'C34 H54 N2 Ni2 O8'
_chemical_formula_structural     '(Ni ((C H3)3 C2 O2)2 (C7 H9 N))2'
_chemical_formula_sum            'C34 H54 N2 Ni2 O8'
_chemical_formula_weight         736.2
_chemical_name_systematic
' tetrakis(\m-2,2-dimethylpropanoato-O,O')di(2-ethylpyridine)dinickel'
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_audit_creation_method           from_xtal_archive_file_using_CIFIO
_cell_angle_alpha                98.220(10)
_cell_angle_beta                 109.030(10)
_cell_angle_gamma                62.520(10)
_cell_formula_units_Z            1
_cell_length_a                   10.6160(10)
_cell_length_b                   11.0590(10)
_cell_length_c                   9.8260(10)
_cell_measurement_reflns_used    38
_cell_measurement_temperature    299
_cell_measurement_theta_max      15
_cell_measurement_theta_min      10
_cell_volume                     967.47(19)
_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  0.010
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            4706
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         2.08
_diffrn_standards_decay_%        1.4
_diffrn_standards_interval_count 100
_diffrn_standards_number         5
_exptl_absorpt_coefficient_mu    1.022
_exptl_absorpt_correction_T_max  0.74
_exptl_absorpt_correction_T_min  0.67
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details   'Gauss numerical integration'
_exptl_crystal_colour            'pale green'
_exptl_crystal_density_diffrn    1.264
_exptl_crystal_density_meas      1.25(2)
_exptl_crystal_density_method    'flotation in KI solution'
_exptl_crystal_description       Plate
_exptl_crystal_F_000             392
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.582
_refine_diff_density_min         -0.479
_refine_ls_goodness_of_fit_obs   3.624
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           atomblock
_refine_ls_number_constraints    0
_refine_ls_number_parameters     317
_refine_ls_number_reflns         3344
_refine_ls_number_restraints     0
_refine_ls_R_factor_obs          .042
_refine_ls_shift/esd_max         0.324
_refine_ls_structure_factor_coef F
_refine_ls_weighting_scheme      'calc, w=1/\s'
_refine_ls_wR_factor_obs         .037
_reflns_number_observed          3344
_reflns_number_total             4444
_reflns_observed_criterion       |F~o~|>3\s(|F~o~|)
_cod_data_source_file            as1007.cif
_cod_data_source_block           IV
_cod_original_cell_volume        967.5(2)
_cod_original_sg_symbol_Hall     -P_1
_cod_database_code               2000568