#------------------------------------------------------------------------------ #$Date: 2016-03-26 14:43:29 +0200 (Sat, 26 Mar 2016) $ #$Revision: 180274 $ #$URL: file:///home/coder/svn-repositories/cod/cif/7/11/60/7116055.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_7116055 loop_ _publ_author_name 'P. Steiniger' 'G. Bendt' 'D. Blaser' 'C. Wolper' 'S. Schulz' _publ_section_title ; Germane vs. digermane formation ; _journal_name_full Chem.Commun. _journal_page_first 15461 _journal_paper_doi 10.1039/C4cc07921C _journal_volume 50 _journal_year 2014 _chemical_formula_moiety 'C14 H34 Ge N2 Se2 Si' _chemical_formula_sum 'C14 H34 Ge N2 Se2 Si' _chemical_formula_weight 489.03 _chemical_name_systematic ; ? ; _space_group_crystal_system monoclinic _space_group_IT_number 14 _space_group_name_Hall '-P 2yn' _space_group_name_H-M_alt 'P 1 21/n 1' _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-2013 _cell_angle_alpha 90 _cell_angle_beta 104.574(3) _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 11.8560(15) _cell_length_b 12.2706(16) _cell_length_c 15.0579(19) _cell_measurement_reflns_used 9963 _cell_measurement_temperature 100(1) _cell_measurement_theta_max 30.07 _cell_measurement_theta_min 2.52 _cell_volume 2120.1(5) _computing_cell_refinement 'BRUKER D8 KAPPA APEX 2 Vers. 3.0-2009' _computing_data_collection 'BRUKER D8 KAPPA APEX 2 Vers. 3.0-2009' _computing_data_reduction 'BRUKER D8 KAPPA APEX 2 Vers. 3.0-2009' _computing_molecular_graphics 'BRUKER AXS Inc. 2008 Vers. 2008/4' _computing_publication_material 'BRUKER AXS Inc. 2013 Vers. 2013/4' _computing_structure_refinement 'BRUKER AXS Inc. 2013 Vers. 2013/4' _computing_structure_solution 'BRUKER D8 KAPPA APEX 2 Vers. 3.0-2009' _diffrn_ambient_temperature 100(1) _diffrn_detector_area_resol_mean 512 _diffrn_measured_fraction_theta_full 0.999 _diffrn_measured_fraction_theta_max 0.988 _diffrn_measurement_device_type ; Bruker D8 KAPPA series II with APEX II area detector system ; _diffrn_measurement_method ; Data collection strategy APEX 2/COSMO ; _diffrn_radiation_monochromator 'Triumph Goebel mirror' _diffrn_radiation_type MoK\a _diffrn_radiation_wavelength 0.71073 _diffrn_reflns_av_R_equivalents 0.0464 _diffrn_reflns_av_unetI/netI 0.0435 _diffrn_reflns_Laue_measured_fraction_full 0.999 _diffrn_reflns_Laue_measured_fraction_max 0.988 _diffrn_reflns_limit_h_max 16 _diffrn_reflns_limit_h_min -16 _diffrn_reflns_limit_k_max 17 _diffrn_reflns_limit_k_min -17 _diffrn_reflns_limit_l_max 14 _diffrn_reflns_limit_l_min -21 _diffrn_reflns_number 29485 _diffrn_reflns_point_group_measured_fraction_full 0.999 _diffrn_reflns_point_group_measured_fraction_max 0.988 _diffrn_reflns_theta_full 25.242 _diffrn_reflns_theta_max 30.758 _diffrn_reflns_theta_min 2.170 _diffrn_source 'sealed X-RAY tube' _exptl_absorpt_coefficient_mu 4.930 _exptl_absorpt_correction_T_max 0.75 _exptl_absorpt_correction_T_min 0.37 _exptl_absorpt_correction_type multi-scan _exptl_absorpt_process_details ; BRUKER AXS SMART APEX 2 Vers. 3.0-2009 R.H. Blessing, Acta Cryst. (1995) A51 33-38 ; _exptl_crystal_colour colourless _exptl_crystal_density_diffrn 1.532 _exptl_crystal_description block _exptl_crystal_F_000 984 _exptl_crystal_size_max 0.280 _exptl_crystal_size_mid 0.220 _exptl_crystal_size_min 0.170 _refine_diff_density_max 1.072 _refine_diff_density_min -1.260 _refine_diff_density_rms 0.112 _refine_ls_extinction_method none _refine_ls_goodness_of_fit_ref 1.036 _refine_ls_hydrogen_treatment constr _refine_ls_matrix_type full _refine_ls_number_parameters 191 _refine_ls_number_reflns 6538 _refine_ls_number_restraints 0 _refine_ls_restrained_S_all 1.036 _refine_ls_R_factor_all 0.0487 _refine_ls_R_factor_gt 0.0310 _refine_ls_shift/su_max 0.001 _refine_ls_shift/su_mean 0.000 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details 'w=1/[\s^2^(Fo^2^)+(0.0256P)^2^+2.0978P] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_gt 0.0695 _refine_ls_wR_factor_ref 0.0758 _reflns_Friedel_coverage 0.000 _reflns_number_gt 5153 _reflns_number_total 6538 _reflns_threshold_expression 'I > 2\s(I)' _cod_data_source_file c4cc07921c2.cif _cod_data_source_block pst_034m _cod_database_code 7116055 #BEGIN Tags that were not found in dictionaries: _shelx_space_group_comment ; The symmetry employed for this shelxl refinement is uniquely defined by the following loop, which should always be used as a source of symmetry information in preference to the above space-group names. They are only intended as comments. ; _shelx_estimated_absorpt_t_min 0.339 _shelx_estimated_absorpt_t_max 0.488 _shelxl_version_number 2013-4 _shelx_res_file ; TITL pst_034m in P2(1)/n CELL 0.71073 11.8560 12.2706 15.0579 90.000 104.574 90.000 ZERR 4.00 0.0015 0.0016 0.0019 0.000 0.003 0.000 LATT 1 SYMM 0.5-X, 0.5+Y, 0.5-Z SFAC C H N SI GE SE UNIT 56 136 8 4 4 8 TEMP -173.120 ACTA L.S. 14 FMAP 2 PLAN 10 SIZE 0.17 0.22 0.28 WGHT 0.025600 2.097800 FVAR 0.07651 SE1 6 0.898370 0.400103 0.553950 11.00000 0.01633 0.01804 = 0.01420 -0.00117 -0.00348 -0.00165 SE2 6 0.922066 0.105020 0.551841 11.00000 0.01054 0.01734 = 0.01540 0.00013 -0.00003 0.00284 GE1 5 0.792898 0.245752 0.490912 11.00000 0.00914 0.01514 = 0.00792 -0.00040 0.00151 0.00124 SI1 4 0.584233 0.232148 0.378740 11.00000 0.00906 0.01874 = 0.00883 0.00037 0.00102 0.00052 N1 3 0.725105 0.248085 0.366439 11.00000 0.00821 0.02018 = 0.00833 0.00041 0.00183 0.00011 N2 3 0.640659 0.231137 0.497474 11.00000 0.01035 0.02132 = 0.00879 0.00054 0.00356 0.00187 C1 1 0.778949 0.232479 0.289408 11.00000 0.01183 0.02533 = 0.00792 -0.00068 0.00261 0.00052 C2 1 0.894088 0.295092 0.309221 11.00000 0.01569 0.03446 = 0.01677 -0.00077 0.00802 -0.00338 AFIX 137 H2A 2 0.879018 0.372945 0.315116 11.00000 -1.50000 H2B 2 0.931322 0.284025 0.258725 11.00000 -1.50000 H2C 2 0.945723 0.268436 0.366523 11.00000 -1.50000 AFIX 0 C3 1 0.801966 0.111393 0.276404 11.00000 0.02382 0.02948 = 0.01731 -0.00390 0.00769 0.00428 AFIX 137 H3A 2 0.856415 0.083252 0.331782 11.00000 -1.50000 H3B 2 0.835747 0.102518 0.223761 11.00000 -1.50000 H3C 2 0.728460 0.070956 0.265352 11.00000 -1.50000 AFIX 0 C4 1 0.695832 0.277067 0.202299 11.00000 0.02244 0.03301 = 0.01062 0.00299 0.00402 0.00329 AFIX 137 H4A 2 0.622532 0.236133 0.189499 11.00000 -1.50000 H4B 2 0.731520 0.269398 0.150572 11.00000 -1.50000 H4C 2 0.680203 0.354232 0.211023 11.00000 -1.50000 AFIX 0 C5 1 0.586816 0.243196 0.574477 11.00000 0.01610 0.01889 = 0.01151 0.00082 0.00749 0.00266 C6 1 0.668235 0.197172 0.662365 11.00000 0.02172 0.03987 = 0.01086 0.00411 0.00548 0.00817 AFIX 137 H6A 2 0.683117 0.119892 0.653432 11.00000 -1.50000 H6B 2 0.631457 0.204973 0.713472 11.00000 -1.50000 H6C 2 0.742080 0.237289 0.676266 11.00000 -1.50000 AFIX 0 C7 1 0.561596 0.362704 0.590617 11.00000 0.02911 0.02296 = 0.02198 -0.00300 0.01226 0.00442 AFIX 137 H7A 2 0.635054 0.403328 0.607706 11.00000 -1.50000 H7B 2 0.521852 0.367811 0.640198 11.00000 -1.50000 H7C 2 0.511711 0.393610 0.534297 11.00000 -1.50000 AFIX 0 C8 1 0.472748 0.178810 0.551766 11.00000 0.01794 0.03105 = 0.01821 0.00174 0.00910 -0.00094 AFIX 137 H8A 2 0.419006 0.210665 0.497705 11.00000 -1.50000 H8B 2 0.437531 0.181696 0.604033 11.00000 -1.50000 H8C 2 0.488588 0.102795 0.539000 11.00000 -1.50000 AFIX 0 C9 1 0.510418 0.103661 0.330563 11.00000 0.02129 0.02726 = 0.01597 -0.00192 0.00179 -0.00789 AFIX 137 H9A 2 0.493222 0.105956 0.263434 11.00000 -1.50000 H9B 2 0.437593 0.095718 0.349514 11.00000 -1.50000 H9C 2 0.561540 0.041598 0.353353 11.00000 -1.50000 AFIX 0 C10 1 0.483426 0.346712 0.333396 11.00000 0.01468 0.03059 = 0.01736 0.00487 0.00156 0.00627 AFIX 137 H10A 2 0.518387 0.415428 0.360080 11.00000 -1.50000 H10B 2 0.409352 0.335291 0.349750 11.00000 -1.50000 H10C 2 0.469431 0.349775 0.266470 11.00000 -1.50000 AFIX 0 C11 1 0.794475 0.509746 0.479023 11.00000 0.02371 0.02131 = 0.02138 0.00335 -0.00241 0.00168 AFIX 23 H11A 2 0.820210 0.524779 0.422576 11.00000 -1.20000 H11B 2 0.713967 0.480887 0.460668 11.00000 -1.20000 AFIX 0 C12 1 0.796169 0.613006 0.532015 11.00000 0.02666 0.02595 = 0.04227 -0.00424 0.00934 0.00455 AFIX 137 H12A 2 0.766710 0.598779 0.586156 11.00000 -1.50000 H12B 2 0.746687 0.667452 0.493135 11.00000 -1.50000 H12C 2 0.876220 0.640486 0.551495 11.00000 -1.50000 AFIX 0 C13 1 0.809890 -0.016651 0.532333 11.00000 0.01864 0.01652 = 0.02579 -0.00441 0.00265 0.00029 AFIX 23 H13A 2 0.729432 0.012431 0.517787 11.00000 -1.20000 H13B 2 0.818626 -0.061352 0.479738 11.00000 -1.20000 AFIX 0 C14 1 0.830841 -0.086461 0.617342 11.00000 0.02055 0.02312 = 0.04515 0.00916 0.00424 -0.00013 AFIX 137 H14A 2 0.910720 -0.114677 0.631841 11.00000 -1.50000 H14B 2 0.775753 -0.147492 0.606595 11.00000 -1.50000 H14C 2 0.819664 -0.042580 0.668836 11.00000 -1.50000 AFIX 0 HKLF 4 REM pst_034m in P2(1)/n REM R1 = 0.0310 for 5153 Fo > 4sig(Fo) and 0.0487 for all 6538 data REM 191 parameters refined using 0 restraints END WGHT 0.0256 2.0977 REM Highest difference peak 1.072, deepest hole -1.260, 1-sigma level 0.112 Q1 1 0.8600 0.0965 0.5582 11.00000 0.05 1.07 Q2 1 0.8401 0.3999 0.5649 11.00000 0.05 0.92 Q3 1 0.9807 0.0851 0.5515 11.00000 0.05 0.84 Q4 1 0.9647 0.4080 0.5468 11.00000 0.05 0.82 Q5 1 0.7307 0.2347 0.4996 11.00000 0.05 0.80 Q6 1 0.6620 0.2504 0.3687 11.00000 0.05 0.76 Q7 1 0.8520 0.2510 0.4866 11.00000 0.05 0.71 Q8 1 0.8960 0.1731 0.5318 11.00000 0.05 0.70 Q9 1 0.9761 0.1518 0.5656 11.00000 0.05 0.68 Q10 1 0.9457 0.3533 0.5770 11.00000 0.05 0.68 ; _shelx_res_checksum 2552 #END Tags that were not found in dictionaries loop_ _space_group_symop_operation_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_site_symmetry_order _atom_site_calc_flag _atom_site_refinement_flags_posn _atom_site_refinement_flags_adp Se1 Se 0.89837(2) 0.40010(2) 0.55395(2) 0.01750(6) Uani 1 1 d . . Se2 Se 0.92207(2) 0.10502(2) 0.55184(2) 0.01502(6) Uani 1 1 d . . Ge1 Ge 0.79290(2) 0.24575(2) 0.49091(2) 0.01085(6) Uani 1 1 d . . Si1 Si 0.58423(5) 0.23215(5) 0.37874(4) 0.01243(12) Uani 1 1 d . . N1 N 0.72510(16) 0.24809(14) 0.36644(13) 0.0123(4) Uani 1 1 d . . N2 N 0.64066(16) 0.23114(15) 0.49747(13) 0.0133(4) Uani 1 1 d . . C1 C 0.77895(19) 0.23248(19) 0.28941(15) 0.0150(4) Uani 1 1 d . . C2 C 0.8941(2) 0.2951(2) 0.30922(17) 0.0216(5) Uani 1 1 d . . H2A H 0.8790 0.3729 0.3151 0.032 Uiso 1 1 calc R U H2B H 0.9313 0.2840 0.2587 0.032 Uiso 1 1 calc R U H2C H 0.9457 0.2684 0.3665 0.032 Uiso 1 1 calc R U C3 C 0.8020(2) 0.1114(2) 0.27640(18) 0.0231(5) Uani 1 1 d . . H3A H 0.8564 0.0833 0.3318 0.035 Uiso 1 1 calc R U H3B H 0.8357 0.1025 0.2238 0.035 Uiso 1 1 calc R U H3C H 0.7285 0.0710 0.2654 0.035 Uiso 1 1 calc R U C4 C 0.6958(2) 0.2771(2) 0.20230(17) 0.0220(5) Uani 1 1 d . . H4A H 0.6225 0.2361 0.1895 0.033 Uiso 1 1 calc R U H4B H 0.7315 0.2694 0.1506 0.033 Uiso 1 1 calc R U H4C H 0.6802 0.3542 0.2110 0.033 Uiso 1 1 calc R U C5 C 0.5868(2) 0.24320(18) 0.57448(16) 0.0148(4) Uani 1 1 d . . C6 C 0.6682(2) 0.1972(2) 0.66236(16) 0.0239(5) Uani 1 1 d . . H6A H 0.6831 0.1199 0.6534 0.036 Uiso 1 1 calc R U H6B H 0.6315 0.2050 0.7135 0.036 Uiso 1 1 calc R U H6C H 0.7421 0.2373 0.6763 0.036 Uiso 1 1 calc R U C7 C 0.5616(2) 0.3627(2) 0.59062(18) 0.0236(5) Uani 1 1 d . . H7A H 0.6351 0.4033 0.6077 0.035 Uiso 1 1 calc R U H7B H 0.5219 0.3678 0.6402 0.035 Uiso 1 1 calc R U H7C H 0.5117 0.3936 0.5343 0.035 Uiso 1 1 calc R U C8 C 0.4727(2) 0.1788(2) 0.55177(17) 0.0216(5) Uani 1 1 d . . H8A H 0.4190 0.2107 0.4977 0.032 Uiso 1 1 calc R U H8B H 0.4375 0.1817 0.6040 0.032 Uiso 1 1 calc R U H8C H 0.4886 0.1028 0.5390 0.032 Uiso 1 1 calc R U C9 C 0.5104(2) 0.1037(2) 0.33056(17) 0.0220(5) Uani 1 1 d . . H9A H 0.4932 0.1060 0.2634 0.033 Uiso 1 1 calc R U H9B H 0.4376 0.0957 0.3495 0.033 Uiso 1 1 calc R U H9C H 0.5615 0.0416 0.3534 0.033 Uiso 1 1 calc R U C10 C 0.4834(2) 0.3467(2) 0.33340(17) 0.0213(5) Uani 1 1 d . . H10A H 0.5184 0.4154 0.3601 0.032 Uiso 1 1 calc R U H10B H 0.4094 0.3353 0.3498 0.032 Uiso 1 1 calc R U H10C H 0.4694 0.3498 0.2665 0.032 Uiso 1 1 calc R U C11 C 0.7945(2) 0.5097(2) 0.47902(18) 0.0236(5) Uani 1 1 d . . H11A H 0.8202 0.5248 0.4226 0.028 Uiso 1 1 calc R U H11B H 0.7140 0.4809 0.4607 0.028 Uiso 1 1 calc R U C12 C 0.7962(2) 0.6130(2) 0.5320(2) 0.0315(6) Uani 1 1 d . . H12A H 0.7667 0.5988 0.5862 0.047 Uiso 1 1 calc R U H12B H 0.7467 0.6675 0.4931 0.047 Uiso 1 1 calc R U H12C H 0.8762 0.6405 0.5515 0.047 Uiso 1 1 calc R U C13 C 0.8099(2) -0.01665(19) 0.53233(18) 0.0208(5) Uani 1 1 d . . H13A H 0.7294 0.0124 0.5178 0.025 Uiso 1 1 calc R U H13B H 0.8186 -0.0614 0.4797 0.025 Uiso 1 1 calc R U C14 C 0.8308(2) -0.0865(2) 0.6173(2) 0.0303(6) Uani 1 1 d . . H14A H 0.9107 -0.1147 0.6318 0.045 Uiso 1 1 calc R U H14B H 0.7758 -0.1475 0.6066 0.045 Uiso 1 1 calc R U H14C H 0.8197 -0.0426 0.6688 0.045 Uiso 1 1 calc R U loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_23 _atom_site_aniso_U_13 _atom_site_aniso_U_12 Se1 0.01633(11) 0.01804(12) 0.01420(13) -0.00117(8) -0.00348(9) -0.00165(8) Se2 0.01054(10) 0.01734(11) 0.01540(13) 0.00013(8) -0.00003(9) 0.00284(8) Ge1 0.00914(11) 0.01514(11) 0.00792(11) -0.00040(9) 0.00151(8) 0.00124(8) Si1 0.0091(3) 0.0187(3) 0.0088(3) 0.0004(2) 0.0010(2) 0.0005(2) N1 0.0082(8) 0.0202(9) 0.0083(9) 0.0004(7) 0.0018(7) 0.0001(7) N2 0.0103(8) 0.0213(10) 0.0088(9) 0.0005(7) 0.0036(7) 0.0019(7) C1 0.0118(10) 0.0253(12) 0.0079(10) -0.0007(8) 0.0026(8) 0.0005(8) C2 0.0157(11) 0.0345(14) 0.0168(13) -0.0008(10) 0.0080(9) -0.0034(10) C3 0.0238(12) 0.0295(13) 0.0173(13) -0.0039(10) 0.0077(10) 0.0043(10) C4 0.0224(12) 0.0330(13) 0.0106(11) 0.0030(10) 0.0040(10) 0.0033(10) C5 0.0161(10) 0.0189(11) 0.0115(10) 0.0008(8) 0.0075(9) 0.0027(8) C6 0.0217(12) 0.0399(15) 0.0109(12) 0.0041(10) 0.0055(10) 0.0082(11) C7 0.0291(13) 0.0230(12) 0.0220(14) -0.0030(10) 0.0123(11) 0.0044(10) C8 0.0179(11) 0.0311(13) 0.0182(13) 0.0017(10) 0.0091(10) -0.0009(10) C9 0.0213(12) 0.0273(13) 0.0160(12) -0.0019(10) 0.0018(10) -0.0079(10) C10 0.0147(11) 0.0306(13) 0.0174(13) 0.0049(10) 0.0016(9) 0.0063(10) C11 0.0237(12) 0.0213(12) 0.0214(14) 0.0033(10) -0.0024(10) 0.0017(10) C12 0.0267(14) 0.0259(14) 0.0423(18) -0.0042(12) 0.0093(13) 0.0045(11) C13 0.0186(11) 0.0165(11) 0.0258(14) -0.0044(10) 0.0027(10) 0.0003(9) C14 0.0205(13) 0.0231(13) 0.0451(19) 0.0092(12) 0.0042(12) -0.0001(10) 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' N N 0.0061 0.0033 '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' Ge Ge 0.1547 1.8001 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' Se Se -0.0929 2.2259 '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 C11 Se1 Ge1 97.30(7) C13 Se2 Ge1 98.64(7) N2 Ge1 N1 82.74(8) N2 Ge1 Se1 119.28(6) N1 Ge1 Se1 116.89(6) N2 Ge1 Se2 117.48(6) N1 Ge1 Se2 119.04(6) Se1 Ge1 Se2 102.047(15) Se1 Ge1 Si1 129.366(18) Se2 Ge1 Si1 128.582(18) N1 Si1 N2 88.80(9) N1 Si1 C9 115.12(10) N2 Si1 C9 114.54(11) N1 Si1 C10 114.96(10) N2 Si1 C10 115.27(10) C9 Si1 C10 107.56(12) C9 Si1 Ge1 125.41(9) C10 Si1 Ge1 127.03(9) C1 N1 Si1 133.58(15) C1 N1 Ge1 129.41(14) Si1 N1 Ge1 94.29(9) C5 N2 Si1 132.80(15) C5 N2 Ge1 131.37(15) Si1 N2 Ge1 94.16(9) N1 C1 C2 108.91(18) N1 C1 C4 108.42(18) C2 C1 C4 109.8(2) N1 C1 C3 110.72(18) C2 C1 C3 109.47(19) C4 C1 C3 109.5(2) N2 C5 C7 111.37(18) N2 C5 C8 107.93(19) C7 C5 C8 109.51(19) N2 C5 C6 109.89(18) C7 C5 C6 108.8(2) C8 C5 C6 109.36(19) C12 C11 Se1 110.47(18) C14 C13 Se2 110.05(17) loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance Se1 C11 1.975(2) Se1 Ge1 2.3355(4) Se2 C13 1.972(2) Se2 Ge1 2.3371(4) Ge1 N2 1.8411(18) Ge1 N1 1.8444(19) Ge1 Si1 2.6264(7) Si1 N1 1.7372(19) Si1 N2 1.744(2) Si1 C9 1.860(2) Si1 C10 1.860(2) N1 C1 1.470(3) N2 C5 1.465(3) C1 C2 1.529(3) C1 C4 1.530(3) C1 C3 1.532(3) C5 C7 1.528(3) C5 C8 1.529(3) C5 C6 1.536(3) C11 C12 1.495(4) C13 C14 1.508(4)