Rationalizing oligomerization in dimethylindium(III) chalcogenolates (Me2InER') (E = O, S, Se): a structural and computational study.
Briand, Glen G.; Decken, Andreas; Hamilton, Nathan S.; Dalton transactions (Cambridge, England : 2003) 39 (2010) 3833–3841; doi:10.1039/b927128g

data_7025348
_publ_section_title
;
 Rationalizing oligomerization in dimethylindium(III) chalcogenolates
 (Me2InER') (E = O, S, Se): a structural and computational study.
;
_journal_issue                   16
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              3833
_journal_page_last               3841
_journal_paper_doi               10.1039/b927128g
_journal_volume                  39
_journal_year                    2010
_chemical_formula_moiety         'C20 H30 In2 O2'
_chemical_formula_sum            'C20 H30 In2 O2'
_chemical_formula_weight         532.08
_space_group_IT_number           148
_symmetry_cell_setting           hexagonal
_symmetry_Int_Tables_number      148
_symmetry_space_group_name_Hall  '-R 3'
_symmetry_space_group_name_H-M   'R -3 :H'
_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                 90.00
_cell_angle_gamma                120.00
_cell_formula_units_Z            9
_cell_length_a                   27.368(6)
_cell_length_b                   27.368(6)
_cell_length_c                   8.447(2)
_cell_measurement_reflns_used    8200
_cell_measurement_temperature    198(1)
_cell_measurement_theta_max      28.3025
_cell_measurement_theta_min      2.563
_cell_volume                     5479(2)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'Bruker SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      198(1)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.985
_diffrn_measurement_device_type  'Bruker AXS SMART1000/P4'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0511
_diffrn_reflns_av_sigmaI/netI    0.0435
_diffrn_reflns_limit_h_max       35
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -35
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            2758
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         1.49
_diffrn_source                   'fine-focus sealed tube'
_diffrn_source_type              K760
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.901
_exptl_absorpt_correction_T_max  0.8706
_exptl_absorpt_correction_T_min  0.5358
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2004)'
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.451
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Rod
_exptl_crystal_F_000             2376
_exptl_crystal_size_max          0.375
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.075
_refine_diff_density_max         1.550
_refine_diff_density_min         -0.530
_refine_diff_density_rms         0.161
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.204
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     114
_refine_ls_number_reflns         2758
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.204
_refine_ls_R_factor_all          0.0522
_refine_ls_R_factor_gt           0.0421
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0864P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1495
_refine_ls_wR_factor_ref         0.1549
_reflns_number_gt                2354
_reflns_number_total             2758
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            b927128g.txt
_cod_data_source_block           gb080693
_cod_original_sg_symbol_H-M      'R -3'
_cod_database_code               7025348