#------------------------------------------------------------------------------
#$Date: 2016-02-14 06:40:26 +0200 (Sun, 14 Feb 2016) $
#$Revision: 176432 $
#$URL: svn://www.crystallography.net/cod/cif/4/08/12/4081249.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/
#
# All data on this site have been placed in the public domain by the
# contributors.
#
data_4081249
loop_
_publ_author_name
'Hoffmann, Florian'
'Wagler, Jörg'
'Roewer, Gerhard'
_publ_section_title
;
 Transition-Metal Complexes Containing Alkynylsilyl Functionalized
 η6-Arene Ligands
;
_journal_issue                   16
_journal_name_full               Organometallics
_journal_page_first              4531
_journal_paper_doi               10.1021/om400378s
_journal_volume                  32
_journal_year                    2013
_chemical_formula_moiety         'C26 H34 Cr2 O6 Si4'
_chemical_formula_sum            'C26 H34 Cr2 O6 Si4'
_chemical_formula_weight         658.89
_chemical_melting_point          ?
_chemical_name_common
;
[octamethyltetrasilanediyl]bis(benzenechromiumtricarbonyl)
;
_chemical_name_systematic
; 
 [mu-octamethyl-1,4-bis(eta6-phenyl)-tetrasilane]bis[tricarbonylchromium(0)] 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_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                 99.601(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   7.7741(7)
_cell_length_b                   18.4641(16)
_cell_length_c                   11.1394(7)
_cell_measurement_reflns_used    4124
_cell_measurement_temperature    93(2)
_cell_measurement_theta_max      25.32
_cell_measurement_theta_min      2.88
_cell_volume                     1576.6(2)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'ORTEP32 (Farugia)'
_computing_publication_material  'Ciftab (Sheldrick)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      93(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0513
_diffrn_reflns_av_sigmaI/netI    0.0512
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            12149
_diffrn_reflns_theta_full        25.05
_diffrn_reflns_theta_max         25.05
_diffrn_reflns_theta_min         2.16
_exptl_absorpt_coefficient_mu    0.877
_exptl_absorpt_correction_T_max  0.9658
_exptl_absorpt_correction_T_min  0.8598
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.388
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       piece
_exptl_crystal_F_000             684
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.471
_refine_diff_density_min         -0.328
_refine_diff_density_rms         0.071
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.009
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     199
_refine_ls_number_reflns         2798
_refine_ls_number_restraints     14
_refine_ls_restrained_S_all      1.025
_refine_ls_R_factor_all          0.0672
_refine_ls_R_factor_gt           0.0385
_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/[σ²(Fo²)+(0.0513P)²+0.0000P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0864
_refine_ls_wR_factor_ref         0.0935
_reflns_number_gt                2035
_reflns_number_total             2798
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om400378s_si_002.cif
_cod_data_source_block           fh21(compound8)
_cod_depositor_comments
;
The following automatic conversions were performed:

'_chemical_melting_point' value 'not measured' was changed to '?' -
the value is undefined or not given.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' 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 
;
_cod_original_sg_symbol_Hall     -P2yn
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               4081249
loop_
_symmetry_equiv_pos_as_xyz
'x, y, z'
'-x+1/2, y+1/2, -z+1/2'
'-x, -y, -z'
'x-1/2, -y-1/2, z-1/2'
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
_atom_site_adp_type
_atom_site_occupancy
_atom_site_symmetry_multiplicity
_atom_site_calc_flag
_atom_site_refinement_flags
_atom_site_disorder_assembly
_atom_site_disorder_group
Cr1 Cr 0.37995(6) 0.18428(3) 0.06655(4) 0.01959(15) Uani 1 1 d . A .
Si11 Si 0.28041(11) 0.03027(5) 0.26067(8) 0.0257(2) Uani 0.79 1 d PD A 1
C101 C 0.0464(5) 0.0602(3) 0.2215(4) 0.0281(10) Uani 0.79 1 d PD A 1
H10A H 0.0167 0.0681 0.1335 0.042 Uiso 0.79 1 d PR A 1
H10B H 0.0303 0.1054 0.2645 0.042 Uiso 0.79 1 d PR A 1
H10C H -0.0298 0.0226 0.2461 0.042 Uiso 0.79 1 d PR A 1
C111 C 0.3177(7) -0.0480(3) 0.1663(4) 0.0363(14) Uani 0.79 1 d PD A 1
H11A H 0.2418 -0.0881 0.1821 0.054 Uiso 0.79 1 d PR A 1
H11B H 0.4399 -0.0632 0.1864 0.054 Uiso 0.79 1 d PR A 1
H11C H 0.2912 -0.0346 0.0800 0.054 Uiso 0.79 1 d PR A 1
Si21 Si 0.35006(14) 0.00900(6) 0.47148(9) 0.0214(3) Uani 0.79 1 d PD . 1
C121 C 0.2256(6) -0.0752(3) 0.5009(6) 0.0320(13) Uani 0.79 1 d PD B 1
H12A H 0.2381 -0.0834 0.5888 0.048 Uiso 0.79 1 d PR B 1
H12B H 0.2722 -0.1169 0.4623 0.048 Uiso 0.79 1 d PR B 1
H12C H 0.1020 -0.0689 0.4668 0.048 Uiso 0.79 1 d PR B 1
C131 C 0.2815(6) 0.0890(2) 0.5579(4) 0.0311(10) Uani 0.79 1 d PD C 1
H13A H 0.1644 0.1046 0.5203 0.047 Uiso 0.79 1 d PR C 1
H13B H 0.3640 0.1289 0.5556 0.047 Uiso 0.79 1 d PR C 1
H13C H 0.2806 0.0750 0.6427 0.047 Uiso 0.79 1 d PR C 1
Si12 Si 0.28041(11) 0.03027(5) 0.26067(8) 0.0257(2) Uani 0.21 1 d PD A 2
C102 C 0.0596(18) 0.0482(11) 0.2779(15) 0.0281(10) Uani 0.21 1 d PD A 2
H10D H 0.0582 0.0772 0.3515 0.042 Uiso 0.21 1 d PR A 2
H10E H -0.0014 0.0023 0.2847 0.042 Uiso 0.21 1 d PR A 2
H10F H 0.0009 0.0750 0.2067 0.042 Uiso 0.21 1 d PR A 2
C112 C 0.266(3) -0.0386(12) 0.1264(17) 0.0363(14) Uani 0.21 1 d PD A 2
H11D H 0.1870 -0.0783 0.1392 0.054 Uiso 0.21 1 d PR A 2
H11E H 0.3820 -0.0581 0.1230 0.054 Uiso 0.21 1 d PR A 2
H11F H 0.2207 -0.0140 0.0496 0.054 Uiso 0.21 1 d PR A 2
Si22 Si 0.4349(5) -0.0410(2) 0.4273(3) 0.0207(9) Uani 0.21 1 d PD . 2
C122 C 0.270(3) -0.0955(11) 0.493(3) 0.0320(13) Uani 0.21 1 d PD D 2
H12D H 0.3282 -0.1219 0.5652 0.048 Uiso 0.21 1 d PR D 2
H12E H 0.2136 -0.1302 0.4326 0.048 Uiso 0.21 1 d PR D 2
H12F H 0.1815 -0.0631 0.5171 0.048 Uiso 0.21 1 d PR D 2
C132 C 0.6100(19) -0.1017(8) 0.3809(13) 0.027(4) Uani 0.21 1 d PD E 2
H13D H 0.6932 -0.0722 0.3451 0.040 Uiso 0.21 1 d PR E 2
H13E H 0.5557 -0.1372 0.3210 0.040 Uiso 0.21 1 d PR E 2
H13F H 0.6714 -0.1270 0.4528 0.040 Uiso 0.21 1 d PR E 2
O1 O 0.2266(3) 0.07342(14) -0.1160(2) 0.0473(7) Uani 1 1 d . . .
O2 O 0.0187(3) 0.24538(14) 0.0376(2) 0.0395(6) Uani 1 1 d . . .
O3 O 0.4747(3) 0.26981(14) -0.1413(2) 0.0388(6) Uani 1 1 d . . .
C1 C 0.2868(4) 0.11590(19) -0.0439(3) 0.0301(8) Uani 1 1 d . . .
C2 C 0.1596(4) 0.22338(18) 0.0486(3) 0.0273(7) Uani 1 1 d . . .
C3 C 0.4342(4) 0.23756(18) -0.0616(3) 0.0254(7) Uani 1 1 d . . .
C4 C 0.3788(4) 0.18044(16) 0.2636(2) 0.0257(7) Uani 1 1 d D A .
H4 H 0.2831 0.1872 0.3056 0.031 Uiso 1 1 calc R . .
C5 C 0.4776(4) 0.24086(17) 0.2406(3) 0.0326(8) Uani 1 1 d D . .
H5 H 0.4506 0.2875 0.2683 0.039 Uiso 1 1 calc R . .
C6 C 0.6160(4) 0.23192(17) 0.1765(3) 0.0321(8) Uani 1 1 d D . .
H6 H 0.6818 0.2728 0.1589 0.039 Uiso 1 1 calc R . .
C7 C 0.6579(4) 0.16282(16) 0.1380(3) 0.0294(8) Uani 1 1 d D . .
H7 H 0.7528 0.1567 0.0951 0.035 Uiso 1 1 calc R . .
C8 C 0.5593(4) 0.10290(16) 0.1629(3) 0.0242(7) Uani 1 1 d D A .
H8 H 0.5889 0.0563 0.1365 0.029 Uiso 1 1 calc R . .
C9 C 0.4165(4) 0.10968(15) 0.2266(2) 0.0208(7) Uani 1 1 d D . .
loop_
_atom_type_symbol
_atom_type_description
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
C C 0.0033 0.0016 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
H H 0.0000 0.0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
O O 0.0106 0.0060 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
Si Si 0.0817 0.0704 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
Cr Cr 0.3209 0.6236 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
loop_
_geom_angle_atom_site_label_1
_geom_angle_atom_site_label_2
_geom_angle_atom_site_label_3
_geom_angle
_geom_angle_site_symmetry_1
_geom_angle_site_symmetry_3
C1 Cr1 C2 86.59(14) . .
C1 Cr1 C3 87.90(14) . .
C2 Cr1 C3 92.03(13) . .
C1 Cr1 C4 125.68(13) . .
C2 Cr1 C4 87.85(12) . .
C3 Cr1 C4 146.31(12) . .
C1 Cr1 C8 90.25(13) . .
C2 Cr1 C8 145.40(12) . .
C3 Cr1 C8 122.30(12) . .
C4 Cr1 C8 66.36(11) . .
C1 Cr1 C7 111.87(13) . .
C2 Cr1 C7 161.20(13) . .
C3 Cr1 C7 92.19(12) . .
C4 Cr1 C7 78.55(12) . .
C8 Cr1 C7 36.99(9) . .
C1 Cr1 C6 147.90(12) . .
C2 Cr1 C6 125.18(13) . .
C3 Cr1 C6 86.58(12) . .
C4 Cr1 C6 66.50(11) . .
C8 Cr1 C6 66.57(11) . .
C7 Cr1 C6 36.96(9) . .
C1 Cr1 C5 162.26(13) . .
C2 Cr1 C5 94.99(13) . .
C3 Cr1 C5 109.66(12) . .
C4 Cr1 C5 37.00(9) . .
C8 Cr1 C5 78.42(12) . .
C7 Cr1 C5 66.36(13) . .
C6 Cr1 C5 36.74(9) . .
C1 Cr1 C9 95.43(12) . .
C2 Cr1 C9 108.75(11) . .
C3 Cr1 C9 159.08(12) . .
C4 Cr1 C9 37.25(8) . .
C8 Cr1 C9 37.29(8) . .
C7 Cr1 C9 67.38(10) . .
C6 Cr1 C9 79.63(11) . .
C5 Cr1 C9 67.30(10) . .
C111 Si11 C101 109.7(2) . .
C111 Si11 C9 110.4(2) . .
C101 Si11 C9 106.18(17) . .
C111 Si11 Si21 114.05(16) . .
C101 Si11 Si21 109.45(13) . .
C9 Si11 Si21 106.72(9) . .
Si11 C101 H10A 109.4 . .
Si11 C101 H10B 109.5 . .
H10A C101 H10B 109.5 . .
Si11 C101 H10C 109.5 . .
H10A C101 H10C 109.5 . .
H10B C101 H10C 109.5 . .
Si11 C101 H10D 86.3 . .
Si11 C101 H10E 89.2 . .
H10B C101 H10E 110.3 . .
Si11 C101 H10F 157.2 . .
H10C C101 H10F 93.3 . .
H10D C101 H10F 98.4 . .
H10E C101 H10F 113.3 . .
Si11 C111 H11A 109.5 . .
Si11 C111 H11B 109.4 . .
H11A C111 H11B 109.5 . .
Si11 C111 H11C 109.5 . .
H11A C111 H11C 109.5 . .
H11B C111 H11C 109.5 . .
Si11 C111 H11D 108.3 . .
Si11 C111 H11E 136.6 . .
H11A C111 H11E 113.7 . .
H11D C111 H11E 110.7 . .
Si11 C111 H11F 93.5 . .
H11A C111 H11F 103.7 . .
C121 Si21 C131 111.1(2) . .
C121 Si21 Si21 110.66(16) . 3_656
C131 Si21 Si21 109.05(15) . 3_656
C121 Si21 Si11 105.7(2) . .
C131 Si21 Si11 109.93(14) . .
Si21 Si21 Si11 110.38(6) 3_656 .
Si21 C121 H12A 109.5 . .
Si21 C121 H12B 109.5 . .
H12A C121 H12B 109.5 . .
Si21 C121 H12C 109.4 . .
H12A C121 H12C 109.5 . .
H12B C121 H12C 109.5 . .
Si21 C121 H12D 110.8 . .
Si21 C121 H12E 123.1 . .
Si21 C121 H12F 96.0 . .
H12A C121 H12F 69.2 . .
Si21 C131 H13A 109.5 . .
Si21 C131 H13B 109.5 . .
H13A C131 H13B 109.5 . .
Si21 C131 H13C 109.5 . .
H13A C131 H13C 109.5 . .
H13B C131 H13C 109.5 . .
H10B C102 H10C 109.8 . .
H10D C102 H10E 109.5 . .
H10D C102 H10F 109.5 . .
H10E C102 H10F 109.5 . .
H11B C112 H11D 104.6 . .
H11D C112 H11E 109.5 . .
H11D C112 H11F 109.5 . .
H11E C112 H11F 109.5 . .
C122 Si22 C132 111.0(8) . .
C122 Si22 Si22 108.9(9) . 3_656
C132 Si22 Si22 109.0(6) . 3_656
C132 Si22 H12B 98.4 . .
Si22 Si22 H12B 123.0 3_656 .
Si22 C122 H12A 121.6 . .
Si22 C122 H12B 92.4 . .
Si22 C122 H12C 114.1 . .
H12B C122 H12C 105.1 . .
Si22 C122 H12D 109.4 . .
Si22 C122 H12E 109.5 . .
H12D C122 H12E 109.5 . .
Si22 C122 H12F 109.5 . .
H12D C122 H12F 109.5 . .
H12E C122 H12F 109.5 . .
Si22 C132 H13D 109.5 . .
Si22 C132 H13E 109.5 . .
H13D C132 H13E 109.5 . .
Si22 C132 H13F 109.4 . .
H13D C132 H13F 109.5 . .
H13E C132 H13F 109.5 . .
O1 C1 Cr1 178.6(3) . .
O2 C2 Cr1 177.4(3) . .
O3 C3 Cr1 177.3(3) . .
C5 C4 C9 122.3(3) . .
C5 C4 Cr1 72.40(16) . .
C9 C4 Cr1 72.72(15) . .
C5 C4 H4 118.9 . .
C9 C4 H4 118.9 . .
Cr1 C4 H4 128.4 . .
C6 C5 C4 119.5(3) . .
C6 C5 Cr1 71.24(17) . .
C4 C5 Cr1 70.59(16) . .
C6 C5 H5 120.3 . .
C4 C5 H5 120.3 . .
Cr1 C5 H5 130.4 . .
C5 C6 C7 120.1(3) . .
C5 C6 Cr1 72.02(18) . .
C7 C6 Cr1 71.48(18) . .
C5 C6 H6 119.9 . .
C7 C6 H6 119.9 . .
Cr1 C6 H6 128.9 . .
C8 C7 C6 119.7(3) . .
C8 C7 Cr1 71.25(17) . .
C6 C7 Cr1 71.56(17) . .
C8 C7 H7 120.1 . .
C6 C7 H7 120.1 . .
Cr1 C7 H7 129.4 . .
C7 C8 C9 122.0(3) . .
C7 C8 Cr1 71.77(17) . .
C9 C8 Cr1 72.48(16) . .
C7 C8 H8 119.0 . .
C9 C8 H8 119.0 . .
Cr1 C8 H8 129.3 . .
C4 C9 C8 116.4(3) . .
C4 C9 Si11 120.6(2) . .
C8 C9 Si11 123.0(2) . .
C4 C9 Cr1 70.03(16) . .
C8 C9 Cr1 70.23(16) . .
Si11 C9 Cr1 129.81(14) . .
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
_geom_bond_site_symmetry_2
Cr1 C1 1.826(3) .
Cr1 C2 1.839(3) .
Cr1 C3 1.840(3) .
Cr1 C4 2.198(3) .
Cr1 C8 2.203(3) .
Cr1 C7 2.210(3) .
Cr1 C6 2.211(3) .
Cr1 C5 2.221(3) .
Cr1 C9 2.233(3) .
Si11 C111 1.839(4) .
Si11 C101 1.882(4) .
Si11 C9 1.884(3) .
Si11 Si21 2.3533(13) .
C101 H10A 0.9800 .
C101 H10B 0.9800 .
C101 H10C 0.9800 .
C111 H11A 0.9800 .
C111 H11B 0.9800 .
C111 H11C 0.9800 .
Si21 C121 1.888(5) .
Si21 C131 1.887(4) .
Si21 Si21 2.336(2) 3_656
C121 H12A 0.9800 .
C121 H12B 0.9800 .
C121 H12C 0.9800 .
C131 H13A 0.9800 .
C131 H13B 0.9800 .
C131 H13C 0.9800 .
C102 H10D 0.9800 .
C102 H10E 0.9800 .
C102 H10F 0.9800 .
C112 H11D 0.9800 .
C112 H11E 0.9800 .
C112 H11F 0.9800 .
Si22 C122 1.876(14) .
Si22 C132 1.900(12) .
Si22 Si22 2.321(8) 3_656
C122 H12D 0.9800 .
C122 H12E 0.9800 .
C122 H12F 0.9800 .
C132 H13D 0.9800 .
C132 H13E 0.9800 .
C132 H13F 0.9800 .
O1 C1 1.164(4) .
O2 C2 1.156(4) .
O3 C3 1.155(4) .
C4 C5 1.402(3) .
C4 C9 1.416(3) .
C4 H4 0.9500 .
C5 C6 1.397(3) .
C5 H5 0.9500 .
C6 C7 1.401(3) .
C6 H6 0.9500 .
C7 C8 1.400(3) .
C7 H7 0.9500 .
C8 C9 1.419(3) .
C8 H8 0.9500 .
loop_
_geom_torsion_atom_site_label_1
_geom_torsion_atom_site_label_2
_geom_torsion_atom_site_label_3
_geom_torsion_atom_site_label_4
_geom_torsion
_geom_torsion_site_symmetry_4
C111 Si11 Si21 C121 -53.4(3) .
C101 Si11 Si21 C121 69.9(2) .
C9 Si11 Si21 C121 -175.61(16) .
C111 Si11 Si21 C131 -173.3(3) .
C101 Si11 Si21 C131 -50.1(2) .
C9 Si11 Si21 C131 64.45(17) .
C111 Si11 Si21 Si21 66.3(2) 3_656
C101 Si11 Si21 Si21 -170.39(17) 3_656
C9 Si11 Si21 Si21 -55.89(11) 3_656
C1 Cr1 C4 C5 174.54(19) .
C2 Cr1 C4 C5 -101.2(2) .
C3 Cr1 C4 C5 -10.8(3) .
C8 Cr1 C4 C5 102.5(2) .
C7 Cr1 C4 C5 65.7(2) .
C6 Cr1 C4 C5 28.95(17) .
C9 Cr1 C4 C5 133.3(3) .
C1 Cr1 C4 C9 41.3(2) .
C2 Cr1 C4 C9 125.51(19) .
C3 Cr1 C4 C9 -144.0(2) .
C8 Cr1 C4 C9 -30.78(17) .
C7 Cr1 C4 C9 -67.55(17) .
C6 Cr1 C4 C9 -104.33(19) .
C5 Cr1 C4 C9 -133.3(3) .
C9 C4 C5 C6 1.5(4) .
Cr1 C4 C5 C6 -53.8(3) .
C9 C4 C5 Cr1 55.3(3) .
C1 Cr1 C5 C6 117.4(4) .
C2 Cr1 C5 C6 -148.2(2) .
C3 Cr1 C5 C6 -54.2(2) .
C4 Cr1 C5 C6 132.1(3) .
C8 Cr1 C5 C6 66.17(18) .
C7 Cr1 C5 C6 29.33(18) .
C9 Cr1 C5 C6 103.55(19) .
C1 Cr1 C5 C4 -14.7(5) .
C2 Cr1 C5 C4 79.7(2) .
C3 Cr1 C5 C4 173.68(19) .
C8 Cr1 C5 C4 -65.92(19) .
C7 Cr1 C5 C4 -102.8(2) .
C6 Cr1 C5 C4 -132.1(3) .
C9 Cr1 C5 C4 -28.53(16) .
C4 C5 C6 C7 -1.4(4) .
Cr1 C5 C6 C7 -54.9(3) .
C4 C5 C6 Cr1 53.5(3) .
C1 Cr1 C6 C5 -149.4(2) .
C2 Cr1 C6 C5 40.0(2) .
C3 Cr1 C6 C5 130.1(2) .
C4 Cr1 C6 C5 -29.15(17) .
C8 Cr1 C6 C5 -102.4(2) .
C7 Cr1 C6 C5 -131.7(3) .
C9 Cr1 C6 C5 -65.75(18) .
C1 Cr1 C6 C7 -17.7(3) .
C2 Cr1 C6 C7 171.70(18) .
C3 Cr1 C6 C7 -98.22(19) .
C4 Cr1 C6 C7 102.6(2) .
C8 Cr1 C6 C7 29.32(16) .
C5 Cr1 C6 C7 131.7(3) .
C9 Cr1 C6 C7 65.98(17) .
C5 C6 C7 C8 0.7(4) .
Cr1 C6 C7 C8 -54.5(2) .
C5 C6 C7 Cr1 55.2(3) .
C1 Cr1 C7 C8 -58.3(2) .
C2 Cr1 C7 C8 110.2(4) .
C3 Cr1 C7 C8 -146.94(19) .
C4 Cr1 C7 C8 65.73(18) .
C6 Cr1 C7 C8 131.7(3) .
C5 Cr1 C7 C8 102.52(19) .
C9 Cr1 C7 C8 28.42(16) .
C1 Cr1 C7 C6 169.99(18) .
C2 Cr1 C7 C6 -21.5(5) .
C3 Cr1 C7 C6 81.37(19) .
C4 Cr1 C7 C6 -65.96(18) .
C8 Cr1 C7 C6 -131.7(3) .
C5 Cr1 C7 C6 -29.16(17) .
C9 Cr1 C7 C6 -103.26(19) .
C6 C7 C8 C9 0.0(4) .
Cr1 C7 C8 C9 -54.6(2) .
C6 C7 C8 Cr1 54.7(2) .
C1 Cr1 C8 C7 127.8(2) .
C2 Cr1 C8 C7 -147.8(2) .
C3 Cr1 C8 C7 40.2(2) .
C4 Cr1 C8 C7 -102.8(2) .
C6 Cr1 C8 C7 -29.30(16) .
C5 Cr1 C8 C7 -65.91(19) .
C9 Cr1 C8 C7 -133.5(3) .
C1 Cr1 C8 C9 -98.66(19) .
C2 Cr1 C8 C9 -14.3(3) .
C3 Cr1 C8 C9 173.67(18) .
C4 Cr1 C8 C9 30.75(17) .
C7 Cr1 C8 C9 133.5(3) .
C6 Cr1 C8 C9 104.21(19) .
C5 Cr1 C8 C9 67.60(17) .
C5 C4 C9 C8 -0.8(4) .
Cr1 C4 C9 C8 54.4(2) .
C5 C4 C9 Si11 179.6(2) .
Cr1 C4 C9 Si11 -125.20(19) .
C5 C4 C9 Cr1 -55.2(3) .
C7 C8 C9 C4 0.0(4) .
Cr1 C8 C9 C4 -54.3(2) .
C7 C8 C9 Si11 179.6(2) .
Cr1 C8 C9 Si11 125.3(2) .
C7 C8 C9 Cr1 54.3(2) .
C111 Si11 C9 C4 163.8(3) .
C101 Si11 C9 C4 45.0(3) .
Si21 Si11 C9 C4 -71.7(2) .
C111 Si11 C9 C8 -15.7(3) .
C101 Si11 C9 C8 -134.6(3) .
Si21 Si11 C9 C8 108.7(2) .
C111 Si11 C9 Cr1 75.2(2) .
C101 Si11 C9 Cr1 -43.6(2) .
Si21 Si11 C9 Cr1 -160.32(12) .
C1 Cr1 C9 C4 -147.45(19) .
C2 Cr1 C9 C4 -59.2(2) .
C3 Cr1 C9 C4 114.2(3) .
C8 Cr1 C9 C4 129.3(3) .
C7 Cr1 C9 C4 101.10(19) .
C6 Cr1 C9 C4 64.59(17) .
C5 Cr1 C9 C4 28.35(17) .
C1 Cr1 C9 C8 83.2(2) .
C2 Cr1 C9 C8 171.48(18) .
C3 Cr1 C9 C8 -15.1(4) .
C4 Cr1 C9 C8 -129.3(3) .
C7 Cr1 C9 C8 -28.21(17) .
C6 Cr1 C9 C8 -64.72(17) .
C5 Cr1 C9 C8 -101.0(2) .
C1 Cr1 C9 Si11 -33.76(18) .
C2 Cr1 C9 Si11 54.48(19) .
C3 Cr1 C9 Si11 -132.1(3) .
C4 Cr1 C9 Si11 113.7(2) .
C8 Cr1 C9 Si11 -117.0(2) .
C7 Cr1 C9 Si11 -145.21(19) .
C6 Cr1 C9 Si11 178.28(17) .
C5 Cr1 C9 Si11 142.05(19) .
