Synthesis and structural investigation of R2Si (R = Me, Ph) bridged di-N-heterocyclic carbenes.
Ghadwal, Rajendra S.; Reichmann, Sven O.; Carl, Elena; Herbst-Irmer, Regine; Dalton transactions (Cambridge, England : 2003) 43 (2014) 13704–13710; doi:10.1039/c4dt01681e

data_7032379
_publ_section_title
;
 Synthesis and structural investigation of R2Si (R = Me, Ph) bridged
 di-N-heterocyclic carbenes.
;
_journal_issue                   36
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              13704
_journal_page_last               13710
_journal_paper_doi               10.1039/c4dt01681e
_journal_volume                  43
_journal_year                    2014
_chemical_formula_moiety         'C39 H45 Cl N2 Si, C7 H8'
_chemical_formula_sum            'C46 H53 Cl N2 Si'
_chemical_formula_weight         697.44
_chemical_name_systematic
;
 ?
;
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
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_symmetry_space_group_name_Hall  '-P 1'
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_cell_angle_beta                 79.30(3)
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_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'BRUKER SMART APEXII ULTRA'
_diffrn_measurement_method       omega-scans
_diffrn_radiation_type           MoK\a
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_diffrn_reflns_theta_min         1.125
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_exptl_absorpt_coefficient_mu    0.158
_exptl_absorpt_correction_T_max  0.7456
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_refine_ls_matrix_type           full
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_refine_ls_number_reflns         9200
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_refine_ls_restrained_S_all      1.031
_refine_ls_R_factor_all          0.0541
_refine_ls_R_factor_gt           0.0410
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0350P)^2^+1.2273P] where P=(Fo^2^+2Fc^2^)/3'
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_reflns_threshold_expression     'I > 2\s(I)'
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