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_2000565
_publ_contact_author
; Dr. Shigeru Ohba
  Department of Chemistry
  Faculty of Science and Technology
  Keio University
  Hiyoshi 3-14-1, Kohoku-ku
  Yokohama, 223
  Japan
;
_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-dimethylpropanoate-O,O')di(2,5-lutidine)dinickel'
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_audit_creation_method           from_xtal_archive_file_using_CIFIO
_cell_angle_alpha                90.00000
_cell_angle_beta                 91.015(8)
_cell_angle_gamma                90.00000
_cell_formula_units_Z            4
_cell_length_a                   20.520(2)
_cell_length_b                   10.6470(10)
_cell_length_c                   18.260(2)
_cell_measurement_reflns_used    49
_cell_measurement_temperature    299
_cell_measurement_theta_max      15
_cell_measurement_theta_min      10
_cell_volume                     3988.8(7)
_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_sigmaI/netI    0.016
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            3930
_diffrn_reflns_theta_max         27.5
_diffrn_reflns_theta_min         2.15
_diffrn_standards_decay_%        1.8
_diffrn_standards_interval_count 100
_diffrn_standards_number         5
_exptl_absorpt_coefficient_mu    0.9913
_exptl_absorpt_correction_T_max  0.79
_exptl_absorpt_correction_T_min  0.71
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details   'Gauss numerical integration'
_exptl_crystal_colour            'dark green'
_exptl_crystal_density_diffrn    1.226
_exptl_crystal_density_meas      1.22(2)
_exptl_crystal_density_method    'flotation in KI solution'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             1568
_exptl_crystal_size_max          0.37
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.46
_refine_diff_density_min         -0.32
_refine_ls_goodness_of_fit_obs   2.290
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_constraints    0
_refine_ls_number_parameters     316
_refine_ls_number_reflns         2123
_refine_ls_number_restraints     0
_refine_ls_R_factor_obs          0.043
_refine_ls_shift/esd_max         0.056
_refine_ls_structure_factor_coef F
_refine_ls_weighting_scheme      'calc, w=1/\s'
_refine_ls_wR_factor_obs         0.031
_reflns_number_observed          2123
_reflns_number_total             3803
_reflns_observed_criterion       |F~o~|>3\s(|F~o~|)
_cod_data_source_file            as1007.cif
_cod_data_source_block           I
_cod_original_sg_symbol_Hall     -C_2yc
_cod_database_code               2000565