Alkylidenesilacyclopropanes derived from allenes: applications to the selective synthesis of triols and homoallylic alcohols.
Buchner, Kay M.; Clark, Timothy B.; Loy, Janice M. N.; Nguyen, Thong X.; Woerpel, K. A.; Organic letters 11 (2009) 2173–2175; doi:10.1021/ol900456v

data_1503871
_publ_section_title
;
 Alkylidenesilacyclopropanes derived from allenes: applications to the
 selective synthesis of triols and homoallylic alcohols.
;
_journal_issue                   10
_journal_name_full               'Organic letters'
_journal_page_first              2173
_journal_page_last               2175
_journal_paper_doi               10.1021/ol900456v
_journal_volume                  11
_journal_year                    2009
_chemical_formula_sum            'C23 H40 O Si2'
_chemical_formula_weight         388.73
_space_group_IT_number           14
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_cell_measurement_temperature    158(2)
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_cell_volume                     2433.8(5)
_computing_cell_refinement       'Bruker SMART/SAINT'
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_computing_molecular_graphics    'Bruker SHELXTL'
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_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'omega scans'
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_diffrn_standards_decay_%        '< 1.0'
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_diffrn_standards_number         '50 frames'
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_exptl_crystal_colour            colorless
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_exptl_crystal_description       irregular
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0479P)^2^+1.5691P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1013
_refine_ls_wR_factor_ref         0.1124
_reflns_number_gt                4363
_reflns_number_total             5380
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol900456v_si_002.cif
_cod_data_source_block           kaw112
_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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'n/a' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 

The following automatic conversions were performed:

'_atom_sites_solution_hydrogens' value 'difmap & geom' was changed to
'mixed'.

Automatic conversion script
Id: cif_fix_values 6452 2018-10-05 10:23:21Z andrius 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               1503871