Heavier carbene analogues and their derivatives as κ-El, κ(2)-El,N, and κ(2)-N,N' ligands: different reactivity patterns for acyclic and cyclic diamidogermylenes and -stannylenes.
West, Joseph K.; Fondong, Gregory L.; Noll, Bruce C.; Stahl, Lothar; Dalton transactions (Cambridge, England : 2003) 42 (2013) 3835–3842; doi:10.1039/c2dt32443a

data_7021009
_publ_section_title
;
 Heavier carbene analogues and their derivatives as \k-El, \k(2)-El,N, and
 \k(2)-N,N' ligands: different reactivity patterns for acyclic and cyclic
 diamidogermylenes and -stannylenes.
;
_journal_issue                   11
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              3835
_journal_page_last               3842
_journal_paper_doi               10.1039/c2dt32443a
_journal_volume                  42
_journal_year                    2013
_chemical_formula_moiety         'C20 H48 Cl4 Cr2 N4 Si2 Sn2'
_chemical_formula_sum            'C20 H48 Cl4 Cr2 N4 Si2 Sn2'
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_chemical_name_systematic
;
?
;
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_symmetry_space_group_name_Hall  '-P 1'
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_cell_angle_beta                 93.075(2)
_cell_angle_gamma                105.1800(10)
_cell_formula_units_Z            1
_cell_length_a                   8.4225(3)
_cell_length_b                   9.0007(3)
_cell_length_c                   12.1148(4)
_cell_measurement_reflns_used    9797
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      0.00
_cell_measurement_theta_min      0.00
_cell_volume                     876.72(5)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0238
_diffrn_reflns_av_sigmaI/netI    0.0141
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            41134
_diffrn_reflns_theta_full        33.32
_diffrn_reflns_theta_max         33.32
_diffrn_reflns_theta_min         1.70
_exptl_absorpt_coefficient_mu    2.401
_exptl_absorpt_correction_T_max  0.7615
_exptl_absorpt_correction_T_min  0.4623
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.674
_exptl_crystal_density_meas      0
_exptl_crystal_description       plate
_exptl_crystal_F_000             440
_exptl_crystal_size_max          0.38
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_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.905
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_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     162
_refine_ls_number_reflns         6694
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.068
_refine_ls_R_factor_all          0.0154
_refine_ls_R_factor_gt           0.0145
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0179P)^2^+0.3110P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0377
_refine_ls_wR_factor_ref         0.0382
_reflns_number_gt                6458
_reflns_number_total             6694
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2dt32443a.txt
_cod_data_source_block           3
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7021009