Reactions of the Heavier Group 14 Element Alkyne Analogues Ar'EEAr' (Ar' = C6H3-2,6(C6H3-2,6-Pri2)2; E = Ge, Sn) with Unsaturated Molecules: Probing the Character of the EE Multiple Bonds
Chunming Cui; Marilyn M. Olmstead; James C. Fettinger; Geoffrey H. Spikes; Philip P. Power; Journal of the American Chemical Society 127 (2005) 17530–17541; doi:10.1021/ja055372s

data_4112089
_publ_section_title
;
 Reactions of the Heavier Group 14 Element Alkyne Analogues Ar'EEAr' (Ar'
 = C6H3-2,6(C6H3-2,6-Pri2)2; E = Ge, Sn) with Unsaturated Molecules:
 Probing the Character of the EE Multiple Bonds
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              17530
_journal_page_last               17541
_journal_paper_doi               10.1021/ja055372s
_journal_volume                  127
_journal_year                    2005
_chemical_formula_sum            'C63 H83 Ge2 O5'
_chemical_formula_weight         1065.47
_chemical_name_common
'[Dipp*Ge(OH)(\m-OO)(\m-O)Ge(OH)Dipp*].0.5hexane'
_chemical_name_systematic
; 
 ? 
;
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_diffrn_ambient_temperature      90(2)
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_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker SMART 1000'
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_diffrn_reflns_limit_l_min       -23
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_diffrn_reflns_theta_min         1.48
_diffrn_standards_number         0
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_exptl_absorpt_correction_T_min  0.880
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS 2.10 (Sheldrick, 2003)'
_exptl_crystal_colour            colorless
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_refine_ls_extinction_method     none
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_refine_ls_number_reflns         7505
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_refine_ls_restrained_S_all      0.953
_refine_ls_R_factor_all          0.1815
_refine_ls_R_factor_gt           0.0907
_refine_ls_shift/su_max          0.007
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1371P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2006
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_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja055372ssi20050805_073337.cif
_cod_data_source_block           mn1607
_cod_original_cell_volume        5737(4)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4112089