Convergent syntheses of [Sn7{C6H3-2,6-(C6H3-2,6-iPr2)2}2]: a cluster with a rare pentagonal bipyramidal motif
Rivard, Eric; Steiner, Jochen; Fettinger, James C.; Giuliani, Jason R.; Augustine, Matthew P.; Power, Philip P.; Chemical Communications (Cambridge, United Kingdom)  (2007) 4919–4921; doi:10.1039/b709446a

data_7102299
_publ_section_title
;
 Convergent syntheses of [Sn7{C6H3-2,6-(C6H3-2,6-iPr2)2}2]: a cluster with
 a rare pentagonal bipyramidal motif
;
_journal_coden_ASTM              CHCOFS
_journal_issue                   46
_journal_name_full
;
 Chemical Communications (Cambridge, United Kingdom)
;
_journal_page_first              4919
_journal_page_last               4921
_journal_paper_doi               10.1039/b709446a
_journal_year                    2007
_chemical_formula_moiety         'C60 H74 Sn7, C6 H14'
_chemical_formula_sum            'C66 H88 Sn7'
_chemical_formula_weight         1712.19
_chemical_name_common            1
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 99.0120(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.6747(5)
_cell_length_b                   17.1734(5)
_cell_length_c                   24.6446(7)
_cell_measurement_reflns_used    3608
_cell_measurement_temperature    90(2)
_cell_measurement_theta_max      20.26
_cell_measurement_theta_min      2.24
_cell_volume                     6552.1(3)
_computing_cell_refinement       'SAINT (7.23A) (Bruker, 2005)'
_computing_data_collection       'SMART (Version 5.054) (Bruker, 2002)'
_computing_data_reduction        'SAINT (7.23A) (Bruker, 2005)'
_computing_molecular_graphics    'SHELXTL 5.1, XP (Sheldrick, 1994)'
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      90(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0368
_diffrn_reflns_av_sigmaI/netI    0.0241
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            86311
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.77
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.661
_exptl_absorpt_correction_T_max  0.8173
_exptl_absorpt_correction_T_min  0.5156
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS 2.10 (Sheldrick, 2003)'
_exptl_crystal_colour            Orange
_exptl_crystal_density_diffrn    1.736
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             3336
_exptl_crystal_size_max          0.29
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.08
_refine_diff_density_max         3.693
_refine_diff_density_min         -2.548
_refine_diff_density_rms         0.118
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.081
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     766
_refine_ls_number_reflns         15043
_refine_ls_number_restraints     471
_refine_ls_restrained_S_all      2.002
_refine_ls_R_factor_all          0.0433
_refine_ls_R_factor_gt           0.0340
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0415P)^2^+16.5231P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0856
_refine_ls_wR_factor_ref         0.0892
_reflns_number_gt                12718
_reflns_number_total             15043
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b709446a.txt
_cod_data_source_block           js96
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from
2010-06-29.

'_exptl_absorpt_correction_type' value 'MULTI-SCAN' changed
to 'multi-scan' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7102299