Sterically Encumbered Tin and Phosphorus peri-Substituted Acenaphthenes.
Chalmers, Brian A.; Athukorala Arachchige, Kasun S.; Prentis, Joanna K. D.; Knight, Fergus R.; Kilian, Petr; Slawin, Alexandra M. Z.; Woollins, J. Derek; Inorganic chemistry 53 (2014) 8795–8808; doi:10.1021/ic5014768

data_4340598
_publ_section_title
;
 Sterically Encumbered Tin and Phosphorus peri-Substituted Acenaphthenes.
;
_journal_issue                   16
_journal_name_full               'Inorganic chemistry'
_journal_page_first              8795
_journal_page_last               8808
_journal_paper_doi               10.1021/ic5014768
_journal_volume                  53
_journal_year                    2014
_chemical_formula_moiety         'C48 H38 Sn2'
_chemical_formula_sum            'C48 H38 Sn2'
_chemical_formula_weight         852.21
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                75.210(14)
_cell_angle_beta                 78.183(16)
_cell_angle_gamma                85.544(15)
_cell_formula_units_Z            2
_cell_length_a                   9.7934(17)
_cell_length_b                   10.2626(15)
_cell_length_c                   19.442(3)
_cell_measurement_reflns_used    6384
_cell_measurement_temperature    173
_cell_measurement_theta_max      25.35
_cell_measurement_theta_min      2.05
_cell_volume                     1848.6(5)
_computing_cell_refinement       'CrystalClear-SM Expert 2.1 b29'
_computing_data_collection
'CrystalClear-SM Expert 2.1 b29 (Rigaku, 2013)'
_computing_data_reduction        'CrystalClear-SM Expert 2.1 b29'
_computing_molecular_graphics    'CrystalStructure 4.1'
_computing_publication_material  'CrystalStructure 4.1 (Rigaku, 2013)'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'SIR2011 (Burla, et al., 2012)'
_diffrn_ambient_temperature      173
_diffrn_detector_area_resol_mean 5.811
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Rigaku XtaLAB P200'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0675
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            19769
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.08
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.384
_exptl_absorpt_correction_T_max  0.758
_exptl_absorpt_correction_T_min  0.414
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'REQAB (Rigaku, 1998)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.531
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             852.00
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.200
_refine_diff_density_max         1.13
_refine_diff_density_min         -1.05
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.998
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     451
_refine_ls_number_reflns         6469
_refine_ls_number_restraints     0
_refine_ls_R_factor_gt           0.0324
_refine_ls_shift/su_max          0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0435P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.0920
_reflns_number_gt                5702
_reflns_number_total             6469
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            ic5014768_si_002.cif
_cod_data_source_block           1
_cod_depositor_comments
'Adding full bibliography for 4340598--4340607.cif.'
_cod_original_cell_volume        1848.6(6)
_cod_database_code               4340598