Pyramidanes: The Covalent Form of the Ionic Compounds
Lee, Vladimir Ya.; Gapurenko, Olga A.; Ito, Yuki; Meguro, Takahiko; Sugasawa, Haruka; Sekiguchi, Akira; Minyaev, Ruslan M.; Minkin, Vladimir I.; Herber, Rolfe H.; Gornitzka, Heinz; Organometallics 35 (2016) 346–; doi:10.1021/acs.organomet.5b00924

data_4088189
_publ_section_title
;
 Pyramidanes: The Covalent Form of the Ionic Compounds
;
_journal_issue                   3
_journal_name_full               Organometallics
_journal_page_first              346
_journal_paper_doi               10.1021/acs.organomet.5b00924
_journal_volume                  35
_journal_year                    2016
_chemical_formula_sum            'C16 H36 Pb Si4'
_chemical_formula_weight         548.00
_space_group_IT_number           8
_space_group_name_Hall           'C -2y'
_space_group_name_H-M_alt        'C 1 m 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_H-M   'C 1 m 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 112.4050(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   11.7157(19)
_cell_length_b                   17.054(3)
_cell_length_c                   6.2809(10)
_cell_measurement_reflns_used    9965
_cell_measurement_temperature    150
_cell_measurement_theta_max      26.47
_cell_measurement_theta_min      2.23
_cell_volume                     1160.2(3)
_computing_cell_refinement       'APEX2 (Bruker AXS, 2006)'
_computing_data_collection       'APEX2 (Bruker AXS, 2006)'
_computing_data_reduction        'SAINT (Bruker AXS, 2004)'
_computing_molecular_graphics    'XSHEL (Bruker AXS,2002)'
_computing_publication_material  'XCIF (Bruker AXS, 2001)'
_computing_structure_refinement  'SHELXL-97 (George Sheldrick, 1997)'
_computing_structure_solution    'SHELXT (George Sheldrick, 2012)'
_diffrn_ambient_temperature      150
_diffrn_detector_area_resol_mean 8.333
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker APEXII CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  'Bruker Helios multilayer confocal mirror'
_diffrn_radiation_source         'Incoatec ImS'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0280
_diffrn_reflns_av_sigmaI/netI    0.0331
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       7
_diffrn_reflns_limit_l_min       -7
_diffrn_reflns_number            10818
_diffrn_reflns_theta_full        26.47
_diffrn_reflns_theta_max         26.47
_diffrn_reflns_theta_min         2.23
_exptl_absorpt_coefficient_mu    7.472
_exptl_absorpt_correction_T_max  0.2557
_exptl_absorpt_correction_T_min  0.1625
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
;
SADABS Sheldrick 1996
;
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.569
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             540
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.25
_refine_diff_density_max         1.266
_refine_diff_density_min         -1.471
_refine_diff_density_rms         0.113
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.029(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.065
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     113
_refine_ls_number_reflns         2315
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.064
_refine_ls_R_factor_all          0.0189
_refine_ls_R_factor_gt           0.0189
_refine_ls_shift/su_max          0.051
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0277P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0460
_refine_ls_wR_factor_ref         0.0460
_reflns_number_gt                2315
_reflns_number_total             2315
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om5b00924_si_002.cif
_cod_data_source_block           si8tricyclo_0m
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Monoclinic' was changed to
'monoclinic' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/ACS/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_sg_symbol_H-M      'Cm   '
_cod_database_code               4088189