Dimeric copper(II) trimethylsilylacetate adducts with pyridine, 2-methylpyridine, 3-methylpyridine and quinoline, and a polymeric copper(II) trimethylsilylacetate
Nakagawa, Hiroo; Kani, Yoshiyuki; Tsuchimoto, Masanobu; Ohba, Shigeru; Matsushima, Hideaki; Tokii, Tadashi; Acta Crystallographica Section C 56 (2000) 12–16; doi:10.1107/S0108270199012147

data_2010557
_publ_section_title
;
 Dimeric copper(II) trimethylsilylacetate adducts with pyridine,
 2-methylpyridine, 3-methylpyridine and quinoline, and a polymeric
 copper(II) trimethylsilylacetate
;
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              12
_journal_page_last               16
_journal_paper_doi               10.1107/S0108270199012147
_journal_volume                  56
_journal_year                    2000
_chemical_formula_iupac          '[Cu2 (C5 H11 O2 Si1)4]'
_chemical_formula_moiety         'C20 H44 Cu2 O8 Si4 '
_chemical_formula_sum            'C20 H44 Cu2 O8 Si4'
_chemical_formula_weight         652.00
_chemical_name_systematic
;
catena-poly[tetrakis(\m-trimethylsilylacetato-O:O')dicopper(II)]
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yab'
_symmetry_space_group_name_H-M   'P 1 21/a 1'
_cell_angle_alpha                90
_cell_angle_beta                 97.71(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.288(6)
_cell_length_b                   24.692(5)
_cell_length_c                   13.116(5)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    298
_cell_measurement_theta_max      15
_cell_measurement_theta_min      10
_cell_volume                     3302(2)
_computing_cell_refinement       ' MSC/AFC Diffractometer Control Software'
_computing_data_collection
; MSC/AFC Diffractometer Control Software
(Molecular Structure Corporation, 1993)
;
_computing_data_reduction
'TEXSAN (Molecular Structure Corporation, 1998)'
_computing_publication_material  TEXSAN
_computing_structure_refinement  TEXSAN
_diffrn_ambient_temperature      298
_diffrn_measurement_device_type  'Rigaku AFC7R'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Rigaku rotating anode'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     .71073
_diffrn_reflns_av_R_equivalents  .042
_diffrn_reflns_av_sigmaI/netI    .176
_diffrn_reflns_limit_h_max       0
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       32
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            7986
_diffrn_reflns_reduction_process 'Lp corrections applied'
_diffrn_reflns_theta_max         27.5
_diffrn_reflns_theta_min         2.5
_diffrn_standards_decay_%        1.4
_diffrn_standards_interval_count 150
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    1.468
_exptl_absorpt_correction_T_max  .929
_exptl_absorpt_correction_T_min  .852
_exptl_absorpt_correction_type   \Y-scan
_exptl_absorpt_process_details   '(North et al., 1968)'
_exptl_crystal_colour            blue-green
_exptl_crystal_density_diffrn    1.312
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate-like
_exptl_crystal_F_000             1368
_exptl_crystal_size_max          .3
_exptl_crystal_size_mid          .1
_exptl_crystal_size_min          .05
_refine_diff_density_max         .78
_refine_diff_density_min         -.60
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.484
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_constraints    0
_refine_ls_number_parameters     247
_refine_ls_number_reflns         3309
_refine_ls_number_restraints     0
_refine_ls_R_factor_gt           .0680
_refine_ls_shift/su_max          .0030
_refine_ls_shift/su_mean         .0000
_refine_ls_structure_factor_coef F
_refine_ls_weighting_details     'w = 1/[\s^2^(Fo) + 0.00212|Fo|^2^]'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         .0999
_reflns_number_gt                3260
_reflns_number_total             7574
_reflns_threshold_expression     'I > 1.5\s(I)'
_cod_data_source_file            oa1095.cif
_cod_data_source_block           V
_cod_original_sg_symbol_H-M      'P 21/a'
_cod_original_formula_sum        'C20 H44 Cu2 O8 Si4 '
_cod_database_code               2010557