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#$Date: 2025-08-20 16:06:16 +0300 (Wed, 20 Aug 2025) $
#$Revision: 301830 $
#$URL: file:///home/coder/svn-repositories/cod/cif/4/07/01/4070175.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_4070175
loop_
_publ_author_name
'Brendler, Erica'
'Wächtler, Erik'
'Wagler, Jörg'
_publ_section_title
;
 Hypercoordinate Silacycloalkanes: Step-by-Step Tuning of N→ Si
 Interactions§
;
_journal_issue                   18
_journal_name_full               Organometallics
_journal_page_first              5459
_journal_paper_doi               10.1021/om900636e
_journal_volume                  28
_journal_year                    2009
_chemical_formula_moiety         'C24 H24 N2 O2 Si'
_chemical_formula_sum            'C24 H24 N2 O2 Si'
_chemical_formula_weight         400.54
_chemical_name_systematic
; 
 1,1-bis[kappa-O-(8-oxyquinolinato)]silacycloheptane 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 90.012(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   17.0154(7)
_cell_length_b                   16.2456(6)
_cell_length_c                   7.2695(3)
_cell_measurement_reflns_used    5068
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      24.88
_cell_measurement_theta_min      2.39
_cell_volume                     2009.47(14)
_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      296(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0290
_diffrn_reflns_av_sigmaI/netI    0.0312
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            15794
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.25
_exptl_absorpt_coefficient_mu    0.140
_exptl_absorpt_correction_T_max  0.9793
_exptl_absorpt_correction_T_min  0.9294
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.324
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       piece
_exptl_crystal_F_000             848
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.156
_refine_diff_density_min         -0.188
_refine_diff_density_rms         0.039
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.042
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     263
_refine_ls_number_reflns         3931
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.042
_refine_ls_R_factor_all          0.0463
_refine_ls_R_factor_gt           0.0344
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[σ²(Fo²)+(0.0442P)²+0.0150P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0761
_refine_ls_wR_factor_ref         0.0798
_reflns_number_gt                3285
_reflns_number_total             3931
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om900636e_si_001.cif
_cod_data_source_block           compd44
_cod_original_sg_symbol_Hall     -P2ybc
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               4070175
loop_
_symmetry_equiv_pos_as_xyz
'x, y, z'
'-x, y+1/2, -z+1/2'
'-x, -y, -z'
'x, -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
Si1 Si 0.74179(3) 0.95192(3) 0.16286(7) 0.03692(13) Uani 1 1 d .
O1 O 0.77289(7) 0.98667(7) 0.36654(17) 0.0423(3) Uani 1 1 d .
O2 O 0.64528(7) 0.94916(8) 0.20191(18) 0.0482(3) Uani 1 1 d .
N1 N 0.90552(9) 1.06994(10) 0.4626(2) 0.0443(4) Uani 1 1 d .
N2 N 0.66834(9) 0.88808(9) -0.1415(2) 0.0486(4) Uani 1 1 d .
C1 C 0.96827(12) 1.11031(12) 0.5157(3) 0.0515(5) Uani 1 1 d .
H1 H 1.0170 1.0857 0.4971 0.062 Uiso 1 1 calc R
C2 C 0.96672(13) 1.18796(13) 0.5985(3) 0.0550(5) Uani 1 1 d .
H2 H 1.0132 1.2137 0.6336 0.066 Uiso 1 1 calc R
C3 C 0.89649(13) 1.22506(11) 0.6267(2) 0.0520(5) Uani 1 1 d .
H3 H 0.8944 1.2771 0.6798 0.062 Uiso 1 1 calc R
C4 C 0.82675(12) 1.18470(11) 0.5756(2) 0.0416(4) Uani 1 1 d .
C5 C 0.75124(13) 1.21813(12) 0.6046(2) 0.0525(5) Uani 1 1 d .
H5 H 0.7459 1.2695 0.6596 0.063 Uiso 1 1 calc R
C6 C 0.68674(13) 1.17571(13) 0.5528(3) 0.0556(5) Uani 1 1 d .
H6 H 0.6373 1.1987 0.5712 0.067 Uiso 1 1 calc R
C7 C 0.69273(12) 1.09786(12) 0.4719(3) 0.0485(5) Uani 1 1 d .
H7 H 0.6474 1.0694 0.4393 0.058 Uiso 1 1 calc R
C8 C 0.76479(11) 1.06330(10) 0.4403(2) 0.0383(4) Uani 1 1 d .
C9 C 0.83433(10) 1.10632(10) 0.4925(2) 0.0362(4) Uani 1 1 d .
C10 C 0.67889(14) 0.86079(13) -0.3107(3) 0.0604(6) Uani 1 1 d .
H10 H 0.7292 0.8634 -0.3604 0.073 Uiso 1 1 calc R
C11 C 0.61870(17) 0.82828(14) -0.4192(3) 0.0686(7) Uani 1 1 d .
H11 H 0.6290 0.8090 -0.5371 0.082 Uiso 1 1 calc R
C12 C 0.54497(16) 0.82540(13) -0.3491(4) 0.0683(7) Uani 1 1 d .
H12 H 0.5044 0.8031 -0.4190 0.082 Uiso 1 1 calc R
C13 C 0.52910(12) 0.85576(11) -0.1721(3) 0.0512(5) Uani 1 1 d .
C14 C 0.45440(13) 0.85903(13) -0.0900(4) 0.0647(7) Uani 1 1 d .
H14 H 0.4109 0.8394 -0.1537 0.078 Uiso 1 1 calc R
C15 C 0.44536(12) 0.89056(14) 0.0813(4) 0.0649(7) Uani 1 1 d .
H15 H 0.3954 0.8927 0.1330 0.078 Uiso 1 1 calc R
C16 C 0.51001(11) 0.92008(12) 0.1824(3) 0.0533(5) Uani 1 1 d .
H16 H 0.5029 0.9407 0.3005 0.064 Uiso 1 1 calc R
C17 C 0.58346(10) 0.91821(11) 0.1058(3) 0.0422(4) Uani 1 1 d .
C18 C 0.59452(11) 0.88669(11) -0.0728(3) 0.0422(4) Uani 1 1 d .
C19 C 0.77369(11) 1.03130(11) -0.0039(3) 0.0432(4) Uani 1 1 d .
H19A H 0.7516 1.0183 -0.1234 0.052 Uiso 1 1 calc R
H19B H 0.7526 1.0841 0.0340 0.052 Uiso 1 1 calc R
C20 C 0.86299(11) 1.03898(11) -0.0228(3) 0.0464(5) Uani 1 1 d .
H20A H 0.8745 1.0887 -0.0916 0.056 Uiso 1 1 calc R
H20B H 0.8853 1.0456 0.0991 0.056 Uiso 1 1 calc R
C21 C 0.90357(12) 0.96744(12) -0.1161(3) 0.0567(5) Uani 1 1 d .
H21A H 0.9544 0.9864 -0.1592 0.068 Uiso 1 1 calc R
H21B H 0.8730 0.9526 -0.2238 0.068 Uiso 1 1 calc R
C22 C 0.91647(12) 0.89012(13) -0.0032(4) 0.0664(6) Uani 1 1 d .
H22A H 0.9314 0.9068 0.1201 0.080 Uiso 1 1 calc R
H22B H 0.9609 0.8608 -0.0555 0.080 Uiso 1 1 calc R
C23 C 0.84856(12) 0.82985(12) 0.0130(3) 0.0596(6) Uani 1 1 d .
H23A H 0.8700 0.7755 0.0364 0.072 Uiso 1 1 calc R
H23B H 0.8217 0.8277 -0.1046 0.072 Uiso 1 1 calc R
C24 C 0.78813(11) 0.84883(11) 0.1615(3) 0.0481(5) Uani 1 1 d .
H24A H 0.8133 0.8408 0.2800 0.058 Uiso 1 1 calc R
H24B H 0.7465 0.8082 0.1519 0.058 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'
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'
loop_
_geom_angle_atom_site_label_1
_geom_angle_atom_site_label_2
_geom_angle_atom_site_label_3
_geom_angle
O2 Si1 O1 99.79(7)
O2 Si1 C24 113.34(8)
O1 Si1 C24 100.11(8)
O2 Si1 C19 114.79(8)
O1 Si1 C19 104.59(7)
C24 Si1 C19 120.12(9)
C8 O1 Si1 128.72(11)
C17 O2 Si1 133.21(13)
C1 N1 C9 117.32(16)
C10 N2 C18 117.71(18)
N1 C1 C2 124.2(2)
N1 C1 H1 117.9
C2 C1 H1 117.9
C3 C2 C1 118.93(19)
C3 C2 H2 120.5
C1 C2 H2 120.5
C2 C3 C4 119.82(18)
C2 C3 H3 120.1
C4 C3 H3 120.1
C3 C4 C5 123.35(18)
C3 C4 C9 117.09(18)
C5 C4 C9 119.56(17)
C6 C5 C4 120.16(17)
C6 C5 H5 119.9
C4 C5 H5 119.9
C5 C6 C7 121.32(19)
C5 C6 H6 119.3
C7 C6 H6 119.3
C8 C7 C6 120.47(18)
C8 C7 H7 119.8
C6 C7 H7 119.8
O1 C8 C7 122.12(16)
O1 C8 C9 117.95(16)
C7 C8 C9 119.87(16)
N1 C9 C4 122.58(17)
N1 C9 C8 118.80(16)
C4 C9 C8 118.62(16)
N2 C10 C11 123.6(2)
N2 C10 H10 118.2
C11 C10 H10 118.2
C12 C11 C10 118.7(2)
C12 C11 H11 120.6
C10 C11 H11 120.6
C11 C12 C13 120.7(2)
C11 C12 H12 119.7
C13 C12 H12 119.7
C12 C13 C14 125.2(2)
C12 C13 C18 116.1(2)
C14 C13 C18 118.7(2)
C15 C14 C13 120.5(2)
C15 C14 H14 119.8
C13 C14 H14 119.8
C14 C15 C16 121.3(2)
C14 C15 H15 119.3
C16 C15 H15 119.3
C17 C16 C15 119.6(2)
C17 C16 H16 120.2
C15 C16 H16 120.2
O2 C17 C16 119.30(19)
O2 C17 C18 120.32(17)
C16 C17 C18 120.35(18)
N2 C18 C17 117.30(16)
N2 C18 C13 123.18(19)
C17 C18 C13 119.52(19)
C20 C19 Si1 114.01(12)
C20 C19 H19A 108.8
Si1 C19 H19A 108.7
C20 C19 H19B 108.7
Si1 C19 H19B 108.8
H19A C19 H19B 107.6
C21 C20 C19 115.53(15)
C21 C20 H20A 108.4
C19 C20 H20A 108.4
C21 C20 H20B 108.4
C19 C20 H20B 108.4
H20A C20 H20B 107.5
C20 C21 C22 117.38(18)
C20 C21 H21A 108.0
C22 C21 H21A 108.0
C20 C21 H21B 108.0
C22 C21 H21B 108.0
H21A C21 H21B 107.2
C21 C22 C23 117.76(18)
C21 C22 H22A 107.9
C23 C22 H22A 107.9
C21 C22 H22B 107.9
C23 C22 H22B 107.9
H22A C22 H22B 107.2
C22 C23 C24 116.00(19)
C22 C23 H23A 108.3
C24 C23 H23A 108.3
C22 C23 H23B 108.3
C24 C23 H23B 108.3
H23A C23 H23B 107.4
C23 C24 Si1 118.33(14)
C23 C24 H24A 107.7
Si1 C24 H24A 107.7
C23 C24 H24B 107.7
Si1 C24 H24B 107.7
H24A C24 H24B 107.1
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
Si1 O2 1.6671(13)
Si1 O1 1.6706(13)
Si1 C24 1.8511(18)
Si1 C19 1.8511(19)
O1 C8 1.363(2)
O2 C17 1.359(2)
N1 C1 1.311(2)
N1 C9 1.365(2)
N2 C10 1.320(3)
N2 C18 1.352(3)
C1 C2 1.398(3)
C1 H1 0.9300
C2 C3 1.354(3)
C2 H2 0.9300
C3 C4 1.406(3)
C3 H3 0.9300
C4 C5 1.411(3)
C4 C9 1.415(2)
C5 C6 1.350(3)
C5 H5 0.9300
C6 C7 1.398(3)
C6 H6 0.9300
C7 C8 1.368(3)
C7 H7 0.9300
C8 C9 1.426(2)
C10 C11 1.396(3)
C10 H10 0.9300
C11 C12 1.355(4)
C11 H11 0.9300
C12 C13 1.405(4)
C12 H12 0.9300
C13 C14 1.405(3)
C13 C18 1.418(3)
C14 C15 1.355(3)
C14 H14 0.9300
C15 C16 1.407(3)
C15 H15 0.9300
C16 C17 1.369(3)
C16 H16 0.9300
C17 C18 1.408(3)
C19 C20 1.531(3)
C19 H19A 0.9700
C19 H19B 0.9700
C20 C21 1.513(3)
C20 H20A 0.9700
C20 H20B 0.9700
C21 C22 1.516(3)
C21 H21A 0.9700
C21 H21B 0.9700
C22 C23 1.519(3)
C22 H22A 0.9700
C22 H22B 0.9700
C23 C24 1.523(3)
C23 H23A 0.9700
C23 H23B 0.9700
C24 H24A 0.9700
C24 H24B 0.9700
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
O2 Si1 O1 C8 -71.13(15)
C24 Si1 O1 C8 172.82(15)
C19 Si1 O1 C8 47.85(16)
O1 Si1 O2 C17 -170.93(15)
C24 Si1 O2 C17 -65.36(18)
C19 Si1 O2 C17 77.89(18)
C9 N1 C1 C2 -0.7(3)
N1 C1 C2 C3 -0.1(3)
C1 C2 C3 C4 1.0(3)
C2 C3 C4 C5 178.31(17)
C2 C3 C4 C9 -1.1(3)
C3 C4 C5 C6 -179.67(18)
C9 C4 C5 C6 -0.3(3)
C4 C5 C6 C7 0.8(3)
C5 C6 C7 C8 -1.1(3)
Si1 O1 C8 C7 60.1(2)
Si1 O1 C8 C9 -122.60(14)
C6 C7 C8 O1 178.13(17)
C6 C7 C8 C9 0.9(3)
C1 N1 C9 C4 0.6(3)
C1 N1 C9 C8 -178.58(16)
C3 C4 C9 N1 0.3(2)
C5 C4 C9 N1 -179.15(16)
C3 C4 C9 C8 179.48(15)
C5 C4 C9 C8 0.0(2)
O1 C8 C9 N1 1.5(2)
C7 C8 C9 N1 178.85(17)
O1 C8 C9 C4 -177.70(15)
C7 C8 C9 C4 -0.4(2)
C18 N2 C10 C11 -2.2(3)
N2 C10 C11 C12 1.0(3)
C10 C11 C12 C13 1.0(3)
C11 C12 C13 C14 177.0(2)
C11 C12 C13 C18 -1.6(3)
C12 C13 C14 C15 -179.16(19)
C18 C13 C14 C15 -0.5(3)
C13 C14 C15 C16 -0.6(3)
C14 C15 C16 C17 1.0(3)
Si1 O2 C17 C16 175.00(13)
Si1 O2 C17 C18 -6.8(3)
C15 C16 C17 O2 177.97(16)
C15 C16 C17 C18 -0.2(3)
C10 N2 C18 C17 -178.15(17)
C10 N2 C18 C13 1.5(3)
O2 C17 C18 N2 0.6(2)
C16 C17 C18 N2 178.78(16)
O2 C17 C18 C13 -179.07(16)
C16 C17 C18 C13 -0.9(3)
C12 C13 C18 N2 0.4(3)
C14 C13 C18 N2 -178.39(17)
C12 C13 C18 C17 -179.98(17)
C14 C13 C18 C17 1.3(3)
O2 Si1 C19 C20 173.92(12)
O1 Si1 C19 C20 65.64(14)
C24 Si1 C19 C20 -45.51(17)
Si1 C19 C20 C21 69.9(2)
C19 C20 C21 C22 -77.7(2)
C20 C21 C22 C23 82.6(3)
C21 C22 C23 C24 -83.8(3)
C22 C23 C24 Si1 53.9(2)
O2 Si1 C24 C23 137.16(15)
O1 Si1 C24 C23 -117.47(16)
C19 Si1 C24 C23 -3.9(2)
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 PubChem 139102094
