#------------------------------------------------------------------------------
#$Date: 2018-08-16 17:36:33 +0300 (Thu, 16 Aug 2018) $
#$Revision: 209805 $
#$URL: file:///home/coder/svn-repositories/cod/cif/4/07/47/4074798.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_4074798
loop_
_publ_author_name
'Arnold, Polly L.'
'Liddle, Stephen T.'
_publ_section_title
;
 Deprotonation of N-Heterocyclic Carbenes to Afford Heterobimetallic
 Organolanthanide Complexes
;
_journal_coden_ASTM              ORGND7
_journal_issue                   6
_journal_name_full               Organometallics
_journal_page_first              1485
_journal_page_last               1491
_journal_paper_doi               10.1021/om050895u
_journal_volume                  25
_journal_year                    2006
_chemical_formula_moiety         'C58 H138 K2 N10 O4 Si8 Sm2'
_chemical_formula_sum            'C58 H138 K2 N10 O4 Si8 Sm2'
_chemical_formula_weight         1643.40
_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     heavy
_atom_sites_solution_secondary   difmap
_audit_creation_method           'enCIFer editing of SHELXL97 CIF output'
_cell_angle_alpha                90.00
_cell_angle_beta                 96.474(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   12.897(2)
_cell_length_b                   17.735(3)
_cell_length_c                   19.302(3)
_cell_measurement_reflns_used    16672
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.55
_cell_measurement_theta_min      2.30
_cell_volume                     4386.8(12)
_computing_cell_refinement       'Bruker SAINT version 6.36a (Bruker, 2000)'
_computing_data_collection       'Bruker SMART version 5.625 (Bruker, 2001)'
_computing_data_reduction        'Bruker SAINT; Bruker SHELXTL (Bruker, 2001)'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'enCIFer(Allen etal.,2004);PLATON(Spek,2003)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'Bruker SMART 1000 CCD diffractometer'
_diffrn_measurement_method       'ω rotation with narrow frames'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0547
_diffrn_reflns_av_sigmaI/netI    0.0412
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            49914
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         27.64
_diffrn_reflns_theta_min         1.96
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.571
_exptl_absorpt_correction_T_max  0.5652
_exptl_absorpt_correction_T_min  0.5255
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2001)'
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    1.244
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1724
_exptl_crystal_size_max          0.47
_exptl_crystal_size_mid          0.47
_exptl_crystal_size_min          0.41
_refine_diff_density_max         2.589
_refine_diff_density_min         -1.368
_refine_diff_density_rms         0.133
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.102
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     399
_refine_ls_number_reflns         10115
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.102
_refine_ls_R_factor_all          0.0601
_refine_ls_R_factor_gt           0.0366
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[σ²(Fo²)+(0.0582P)²+1.6479P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0896
_refine_ls_wR_factor_ref         0.1060
_reflns_number_gt                7815
_reflns_number_total             10115
_reflns_threshold_expression     I>2σ(I)
_cod_data_source_file            om050895usi20051017_125222.cif
_cod_data_source_block           ksmimc_5
_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 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               4074798
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
Sm1 Sm 0.434047(13) -0.011013(9) 1.234644(9) 0.01932(7) Uani 1 1 d .
N1 N 0.2806(2) 0.05656(16) 1.01581(14) 0.0208(6) Uani 1 1 d .
N2 N 0.4726(2) -0.12076(16) 1.18853(15) 0.0221(6) Uani 1 1 d .
N3 N 0.3947(2) -0.02314(15) 1.05638(14) 0.0198(6) Uani 1 1 d .
C2 C 0.3260(3) -0.00978(19) 0.99849(18) 0.0221(7) Uani 1 1 d .
C4 C 0.3960(3) 0.03165(19) 1.11047(17) 0.0205(7) Uani 1 1 d .
C5 C 0.3214(3) 0.08111(19) 1.08207(17) 0.0214(7) Uani 1 1 d .
H5A H 0.3004 0.1256 1.1042 0.026 Uiso 1 1 calc R
C6 C 0.1933(3) 0.0962(2) 0.97376(18) 0.0272(8) Uani 1 1 d .
C7 C 0.0963(3) 0.0896(3) 1.0118(2) 0.0472(12) Uani 1 1 d .
H7A H 0.0785 0.0363 1.0167 0.071 Uiso 1 1 calc R
H7B H 0.0379 0.1157 0.9851 0.071 Uiso 1 1 calc R
H7C H 0.1100 0.1125 1.0581 0.071 Uiso 1 1 calc R
C8 C 0.1728(3) 0.0599(2) 0.9022(2) 0.0359(9) Uani 1 1 d .
H8A H 0.1568 0.0063 0.9075 0.054 Uiso 1 1 calc R
H8B H 0.2348 0.0650 0.8776 0.054 Uiso 1 1 calc R
H8C H 0.1135 0.0849 0.8754 0.054 Uiso 1 1 calc R
C9 C 0.2230(3) 0.1785(2) 0.9654(2) 0.0387(10) Uani 1 1 d .
H9A H 0.2881 0.1814 0.9437 0.058 Uiso 1 1 calc R
H9B H 0.2328 0.2027 1.0113 0.058 Uiso 1 1 calc R
H9C H 0.1673 0.2043 0.9358 0.058 Uiso 1 1 calc R
C10 C 0.4637(3) -0.08909(19) 1.05880(18) 0.0231(7) Uani 1 1 d .
H10A H 0.5119 -0.0831 1.0227 0.028 Uiso 1 1 calc R
H10B H 0.4208 -0.1345 1.0469 0.028 Uiso 1 1 calc R
C11 C 0.5284(3) -0.1021(2) 1.12916(19) 0.0257(7) Uani 1 1 d .
H11A H 0.5784 -0.1433 1.1233 0.031 Uiso 1 1 calc R
H11B H 0.5698 -0.0559 1.1410 0.031 Uiso 1 1 calc R
C12 C 0.4579(3) -0.20164(19) 1.20185(18) 0.0261(8) Uani 1 1 d .
C13 C 0.3986(3) -0.2070(2) 1.2660(2) 0.0342(9) Uani 1 1 d .
H13A H 0.3315 -0.1808 1.2567 0.051 Uiso 1 1 calc R
H13B H 0.4399 -0.1835 1.3060 0.051 Uiso 1 1 calc R
H13C H 0.3863 -0.2601 1.2765 0.051 Uiso 1 1 calc R
C14 C 0.3927(3) -0.2415(2) 1.1408(2) 0.0367(9) Uani 1 1 d .
H14A H 0.3269 -0.2143 1.1291 0.055 Uiso 1 1 calc R
H14B H 0.3779 -0.2934 1.1543 0.055 Uiso 1 1 calc R
H14C H 0.4318 -0.2423 1.1001 0.055 Uiso 1 1 calc R
C15 C 0.5619(3) -0.2436(2) 1.2167(3) 0.0448(11) Uani 1 1 d .
H15A H 0.5983 -0.2434 1.1748 0.067 Uiso 1 1 calc R
H15B H 0.5487 -0.2958 1.2300 0.067 Uiso 1 1 calc R
H15C H 0.6052 -0.2185 1.2549 0.067 Uiso 1 1 calc R
N4 N 0.2831(2) -0.02339(16) 1.28971(15) 0.0233(6) Uani 1 1 d .
Si1 Si 0.16185(8) -0.02546(6) 1.24253(5) 0.0242(2) Uani 1 1 d .
C16 C 0.0569(3) -0.0712(3) 1.2891(2) 0.0399(10) Uani 1 1 d .
H16A H 0.0507 -0.0444 1.3328 0.060 Uiso 1 1 calc R
H16B H 0.0754 -0.1240 1.2992 0.060 Uiso 1 1 calc R
H16C H -0.0099 -0.0690 1.2594 0.060 Uiso 1 1 calc R
C17 C 0.1120(3) 0.0714(2) 1.2198(2) 0.0355(9) Uani 1 1 d .
H17A H 0.1631 0.0985 1.1952 0.053 Uiso 1 1 calc R
H17B H 0.1012 0.0987 1.2625 0.053 Uiso 1 1 calc R
H17C H 0.0457 0.0678 1.1897 0.053 Uiso 1 1 calc R
C18 C 0.1648(3) -0.0787(2) 1.1586(2) 0.0333(9) Uani 1 1 d .
H18A H 0.2208 -0.0587 1.1335 0.050 Uiso 1 1 calc R
H18B H 0.0977 -0.0728 1.1298 0.050 Uiso 1 1 calc R
H18C H 0.1775 -0.1322 1.1688 0.050 Uiso 1 1 calc R
Si2 Si 0.30700(8) -0.03533(6) 1.37752(5) 0.0274(2) Uani 1 1 d .
C19 C 0.2533(4) 0.0429(3) 1.4283(2) 0.0472(11) Uani 1 1 d .
H19A H 0.1771 0.0441 1.4183 0.071 Uiso 1 1 calc R
H19B H 0.2823 0.0912 1.4149 0.071 Uiso 1 1 calc R
H19C H 0.2725 0.0344 1.4783 0.071 Uiso 1 1 calc R
C20 C 0.2593(3) -0.1269(2) 1.4115(2) 0.0390(10) Uani 1 1 d .
H20A H 0.1852 -0.1223 1.4178 0.058 Uiso 1 1 calc R
H20B H 0.2994 -0.1388 1.4563 0.058 Uiso 1 1 calc R
H20C H 0.2684 -0.1673 1.3780 0.058 Uiso 1 1 calc R
C21 C 0.4525(3) -0.0380(2) 1.4025(2) 0.0354(9) Uani 1 1 d .
H21A H 0.4828 -0.0791 1.3775 0.053 Uiso 1 1 calc R
H21B H 0.4671 -0.0463 1.4529 0.053 Uiso 1 1 calc R
H21C H 0.4831 0.0100 1.3902 0.053 Uiso 1 1 calc R
N5 N 0.5704(2) 0.07489(17) 1.27507(15) 0.0257(6) Uani 1 1 d .
Si3 Si 0.52664(8) 0.16287(6) 1.29381(5) 0.0278(2) Uani 1 1 d .
C22 C 0.5079(4) 0.1790(3) 1.3878(2) 0.0434(11) Uani 1 1 d .
H22A H 0.5743 0.1712 1.4169 0.065 Uiso 1 1 calc R
H22B H 0.4559 0.1434 1.4017 0.065 Uiso 1 1 calc R
H22C H 0.4838 0.2307 1.3938 0.065 Uiso 1 1 calc R
C23 C 0.6126(4) 0.2413(2) 1.2680(2) 0.0385(9) Uani 1 1 d .
H23A H 0.6817 0.2370 1.2945 0.058 Uiso 1 1 calc R
H23B H 0.5815 0.2900 1.2780 0.058 Uiso 1 1 calc R
H23C H 0.6193 0.2378 1.2180 0.058 Uiso 1 1 calc R
C24 C 0.3932(3) 0.1782(3) 1.2448(2) 0.0450(11) Uani 1 1 d .
H24A H 0.3983 0.1765 1.1945 0.068 Uiso 1 1 calc R
H24B H 0.3665 0.2276 1.2572 0.068 Uiso 1 1 calc R
H24C H 0.3457 0.1386 1.2573 0.068 Uiso 1 1 calc R
Si4 Si 0.69489(8) 0.04522(6) 1.30237(5) 0.0282(2) Uani 1 1 d .
C25 C 0.7484(4) 0.0794(3) 1.3913(2) 0.0537(13) Uani 1 1 d .
H25A H 0.7580 0.1342 1.3901 0.080 Uiso 1 1 calc R
H25B H 0.8157 0.0551 1.4053 0.080 Uiso 1 1 calc R
H25C H 0.6995 0.0668 1.4249 0.080 Uiso 1 1 calc R
C26 C 0.7922(3) 0.0756(2) 1.2426(2) 0.0327(9) Uani 1 1 d .
H26A H 0.7836 0.1295 1.2325 0.049 Uiso 1 1 calc R
H26B H 0.7808 0.0469 1.1990 0.049 Uiso 1 1 calc R
H26C H 0.8630 0.0662 1.2651 0.049 Uiso 1 1 calc R
C27 C 0.7026(3) -0.0612(2) 1.3045(3) 0.0424(10) Uani 1 1 d .
H27A H 0.6657 -0.0817 1.2614 0.064 Uiso 1 1 calc R
H27B H 0.6702 -0.0801 1.3446 0.064 Uiso 1 1 calc R
H27C H 0.7759 -0.0769 1.3086 0.064 Uiso 1 1 calc R
K1 K 0.38274(6) -0.11045(4) 0.88683(4) 0.02685(17) Uani 1 1 d .
O1 O 0.2144(2) -0.21115(16) 0.90379(14) 0.0371(7) Uani 1 1 d .
O2 O 0.4223(2) -0.24610(15) 0.94948(14) 0.0317(6) Uani 1 1 d .
C28 C 0.1181(3) -0.1758(3) 0.9135(3) 0.0551(13) Uani 1 1 d .
H28A H 0.0630 -0.2140 0.9124 0.083 Uiso 1 1 calc R
H28B H 0.1001 -0.1391 0.8762 0.083 Uiso 1 1 calc R
H28C H 0.1247 -0.1500 0.9587 0.083 Uiso 1 1 calc R
C29 C 0.2415(3) -0.2653(3) 0.9569(2) 0.0440(11) Uani 1 1 d .
H29A H 0.1860 -0.3040 0.9562 0.053 Uiso 1 1 calc R
H29B H 0.2487 -0.2405 1.0031 0.053 Uiso 1 1 calc R
C30 C 0.3427(3) -0.3017(2) 0.9445(3) 0.0424(10) Uani 1 1 d .
H30A H 0.3606 -0.3417 0.9795 0.051 Uiso 1 1 calc R
H30B H 0.3361 -0.3250 0.8976 0.051 Uiso 1 1 calc R
C31 C 0.5230(3) -0.2788(3) 0.9477(3) 0.0500(12) Uani 1 1 d .
H31A H 0.5390 -0.3116 0.9884 0.075 Uiso 1 1 calc R
H31B H 0.5754 -0.2388 0.9486 0.075 Uiso 1 1 calc R
H31C H 0.5236 -0.3086 0.9050 0.075 Uiso 1 1 calc R
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'
K K 0.2009 0.2494 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
Sm Sm -0.1638 3.4418 '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'
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
N2 Sm1 N4 109.66(10) . .
N2 Sm1 N5 120.00(10) . .
N4 Sm1 N5 122.19(10) . .
N2 Sm1 C4 84.83(10) . .
N4 Sm1 C4 112.37(10) . .
N5 Sm1 C4 100.21(10) . .
N2 Sm1 C11 28.28(10) . .
N4 Sm1 C11 133.65(10) . .
N5 Sm1 C11 103.15(10) . .
C4 Sm1 C11 63.86(10) . .
C2 N1 C5 111.3(3) . .
C2 N1 C6 126.1(3) . .
C5 N1 C6 122.4(3) . .
C11 N2 C12 116.3(3) . .
C11 N2 Sm1 105.6(2) . .
C12 N2 Sm1 138.1(2) . .
C2 N3 C4 115.7(3) . .
C2 N3 C10 120.0(3) . .
C4 N3 C10 124.3(3) . .
N3 C2 N1 101.8(3) . .
N3 C2 K1 107.5(2) . .
N1 C2 K1 147.5(2) . .
C5 C4 N3 101.2(3) . .
C5 C4 Sm1 128.9(2) . .
N3 C4 Sm1 118.6(2) . .
C5 C4 K1 108.3(2) . 3_657
N3 C4 K1 104.41(19) . 3_657
Sm1 C4 K1 92.20(10) . 3_657
C4 C5 N1 110.0(3) . .
N1 C6 C8 109.8(3) . .
N1 C6 C9 109.1(3) . .
C8 C6 C9 109.3(3) . .
N1 C6 C7 108.2(3) . .
C8 C6 C7 109.7(3) . .
C9 C6 C7 110.8(4) . .
N3 C10 C11 114.6(3) . .
N2 C11 C10 117.7(3) . .
N2 C11 Sm1 46.15(15) . .
C10 C11 Sm1 107.6(2) . .
N2 C12 C13 106.7(3) . .
N2 C12 C15 112.2(3) . .
C13 C12 C15 108.9(3) . .
N2 C12 C14 112.6(3) . .
C13 C12 C14 108.2(3) . .
C15 C12 C14 108.1(3) . .
Si2 N4 Si1 125.22(18) . .
Si2 N4 Sm1 113.53(15) . .
Si1 N4 Sm1 121.14(15) . .
N4 Si1 C17 111.90(17) . .
N4 Si1 C18 111.20(16) . .
C17 Si1 C18 107.39(19) . .
N4 Si1 C16 114.50(17) . .
C17 Si1 C16 105.13(19) . .
C18 Si1 C16 106.24(19) . .
N4 Si2 C19 113.10(19) . .
N4 Si2 C20 115.16(17) . .
C19 Si2 C20 107.6(2) . .
N4 Si2 C21 108.76(16) . .
C19 Si2 C21 107.5(2) . .
C20 Si2 C21 104.1(2) . .
Si3 N5 Si4 122.31(17) . .
Si3 N5 Sm1 113.69(14) . .
Si4 N5 Sm1 122.25(16) . .
Si3 N5 K1 97.21(12) . 3_657
Si4 N5 K1 94.84(12) . 3_657
Sm1 N5 K1 91.09(8) . 3_657
N5 Si3 C22 115.09(19) . .
N5 Si3 C23 113.58(18) . .
C22 Si3 C23 106.68(19) . .
N5 Si3 C24 109.24(17) . .
C22 Si3 C24 104.6(2) . .
C23 Si3 C24 107.0(2) . .
N5 Si4 C26 113.01(16) . .
N5 Si4 C25 114.64(19) . .
C26 Si4 C25 105.5(2) . .
N5 Si4 C27 110.99(17) . .
C26 Si4 C27 105.23(19) . .
C25 Si4 C27 106.8(2) . .
O2 K1 O1 60.16(8) . .
O2 K1 C2 105.09(9) . .
O1 K1 C2 92.31(9) . .
O2 K1 C4 105.03(9) . 3_657
O1 K1 C4 165.17(9) . 3_657
C2 K1 C4 91.04(9) . 3_657
O2 K1 N5 122.97(8) . 3_657
O1 K1 N5 116.68(8) . 3_657
C2 K1 N5 131.33(9) . 3_657
C4 K1 N5 70.85(8) 3_657 3_657
C29 O1 C28 110.5(3) . .
C29 O1 K1 112.2(2) . .
C28 O1 K1 115.2(3) . .
C30 O2 C31 111.7(3) . .
C30 O2 K1 119.1(2) . .
C31 O2 K1 118.5(3) . .
O1 C29 C30 108.8(3) . .
O2 C30 C29 109.1(3) . .
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
_geom_bond_site_symmetry_2
Sm1 N2 2.220(3) .
Sm1 N4 2.331(3) .
Sm1 N5 2.390(3) .
Sm1 C4 2.509(3) .
Sm1 C11 2.965(4) .
N1 C2 1.372(4) .
N1 C5 1.396(4) .
N1 C6 1.488(4) .
N2 C11 1.459(4) .
N2 C12 1.473(4) .
N3 C2 1.366(4) .
N3 C4 1.425(4) .
N3 C10 1.468(4) .
C2 K1 2.954(4) .
C4 C5 1.370(5) .
C4 K1 3.173(3) 3_657
C6 C8 1.520(5) .
C6 C9 1.522(6) .
C6 C7 1.526(5) .
C10 C11 1.529(5) .
C12 C13 1.530(5) .
C12 C15 1.533(5) .
C12 C14 1.540(5) .
N4 Si2 1.701(3) .
N4 Si1 1.719(3) .
Si1 C17 1.869(4) .
Si1 C18 1.879(4) .
Si1 C16 1.890(4) .
Si2 C19 1.876(5) .
Si2 C20 1.880(4) .
Si2 C21 1.884(4) .
N5 Si3 1.712(3) .
N5 Si4 1.715(3) .
N5 K1 3.310(3) 3_657
Si3 C22 1.879(4) .
Si3 C23 1.880(4) .
Si3 C24 1.887(4) .
Si4 C26 1.876(4) .
Si4 C25 1.877(4) .
Si4 C27 1.890(4) .
K1 O2 2.715(3) .
K1 O1 2.858(3) .
K1 C4 3.173(3) 3_657
K1 N5 3.310(3) 3_657
O1 C29 1.419(5) .
O1 C28 1.423(5) .
O2 C30 1.419(5) .
O2 C31 1.425(5) .
C29 C30 1.499(6) .
