# Electronic Supplementary Material (ESI) for ChemComm.
# This journal is © The Royal Society of Chemistry 2015

####################################################################### 
# 
# This file contains crystal structure data downloaded from the 
# Cambridge Structural Database (CSD) hosted by the Cambridge 
# Crystallographic Data Centre (CCDC).
# 
# Full information about CCDC data access policies and citation 
# guidelines are available at http://www.ccdc.cam.ac.uk/access/V1 
# 
# Audit and citation data items may have been added by the CCDC. 
# Please retain this information to preserve the provenance of 
# this file and to allow appropriate attribution of the data. 
# 
#######################################################################

data_y01222m
_database_code_depnum_ccdc_archive 'CCDC 1421837'
_audit_update_record             
;
2015-09-01 deposited with the CCDC.
2015-10-26 downloaded from the CCDC.
;
_audit_creation_date             2015-01-23
_audit_creation_method           
;
Olex2 1.2
(compiled 2015.01.19 svn.r3143 for OlexSys, GUI svn.r4992)
;
_chemical_formula_moiety         '0.15(C18 H32 N O6 Si)'
_chemical_formula_sum            'C2.667 H4.741 N0.148 O0.889 Si0.148'
_chemical_formula_weight         57.27
_chemical_absolute_configuration unk
loop_
_atom_type_symbol
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_Cromer_Mann_a1
_atom_type_scat_Cromer_Mann_a2
_atom_type_scat_Cromer_Mann_a3
_atom_type_scat_Cromer_Mann_a4
_atom_type_scat_Cromer_Mann_b1
_atom_type_scat_Cromer_Mann_b2
_atom_type_scat_Cromer_Mann_b3
_atom_type_scat_Cromer_Mann_b4
_atom_type_scat_Cromer_Mann_c
_atom_type_scat_source
_atom_type_scat_dispersion_source
H 0.00000 0.00000 0.49300 0.32291 0.14019 0.04081 10.51090 26.12570 3.14236
57.79970 0.0030380000826
'International Tables Volume C Table 6.1.1.4 (pp. 500-502)'
'Henke, Gullikson and Davis, At. Data and Nucl. Data Tables, 1993, 54, 2'
C 0.00347 0.00161 2.31000 1.02000 1.58860 0.86500 20.84390 10.20750 0.56870
51.65120 0.215599998832
'International Tables Volume C Table 6.1.1.4 (pp. 500-502)'
'Henke, Gullikson and Davis, At. Data and Nucl. Data Tables, 1993, 54, 2'
Si 0.08192 0.07060 6.29150 3.03530 1.98910 1.54100 2.43860 32.33370 0.67850
81.69370 1.14069998264
'International Tables Volume C Table 6.1.1.4 (pp. 500-502)'
'Henke, Gullikson and Davis, At. Data and Nucl. Data Tables, 1993, 54, 2'
O 0.01158 0.00611 3.04850 2.28680 1.54630 0.86700 13.27710 5.70110 0.32390
32.90890 0.250800013542
'International Tables Volume C Table 6.1.1.4 (pp. 500-502)'
'Henke, Gullikson and Davis, At. Data and Nucl. Data Tables, 1993, 54, 2'
N 0.00653 0.00323 12.21260 3.13220 2.01250 1.16630 0.00570 9.89330 28.99750
0.58260 -11.5290002823
'International Tables Volume C Table 6.1.1.4 (pp. 500-502)'
'Henke, Gullikson and Davis, At. Data and Nucl. Data Tables, 1993, 54, 2'

_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_H-M_alt        'P 21 21 21'
_space_group_name_Hall           ' P 2ac 2ab'
loop_
_space_group_symop_id
_space_group_symop_operation_xyz
1 x,y,z
2 x+1/2,-y+1/2,-z
3 -x,y+1/2,-z+1/2
4 -x+1/2,-y,z+1/2

_symmetry_Int_Tables_number      19
_cell_length_a                   6.8260(15)
_cell_length_b                   9.791(2)
_cell_length_c                   30.820(7)
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_volume                     2059.8(8)
_cell_formula_units_Z            27
_cell_measurement_reflns_used    6656
_cell_measurement_theta_max      25.74
_cell_measurement_theta_min      2.18
_cell_measurement_temperature    273.15
_exptl_absorpt_coefficient_mu    0.146
_exptl_absorpt_correction_T_min  0.930304
_exptl_absorpt_correction_T_max  0.988
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   
;
SADABS v.2.03 (Bruker,200?) was used for absorption correction.
R(int) was 0.0811 before and 0.0342 after correction.
The Ratio of minimum to maximum transmission is 0.9303.
The λ/2 correction factor is 0.0015.
;
_exptl_crystal_density_diffrn    1.2464
_exptl_crystal_density_meas      .
_exptl_crystal_F_000             836.7723
_exptl_crystal_size_max          1.0
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.08
_exptl_crystal_description       pillar
_diffrn_reflns_av_R_equivalents  0.0306
_diffrn_reflns_av_unetI/netI     0.0343
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       40
_diffrn_reflns_limit_l_min       -40
_diffrn_reflns_number            18580
_diffrn_reflns_theta_full        26.0000
_diffrn_reflns_theta_max         28.90
_diffrn_reflns_theta_min         1.32
_diffrn_ambient_temperature      273.15
_diffrn_measured_fraction_theta_full 0.9993
_diffrn_measured_fraction_theta_max 0.9339
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_reflns_Friedel_coverage         0.903
_reflns_limit_h_max              9
_reflns_limit_h_min              -9
_reflns_limit_k_max              13
_reflns_limit_k_min              -13
_reflns_limit_l_max              40
_reflns_limit_l_min              -39
_reflns_number_gt                4495
_reflns_number_total             5071
_reflns_threshold_expression     I>=2u(I)
_computing_cell_refinement       'SAINT v6.28A (Bruker, 2002)'
_computing_data_reduction        'SAINT v6.28A (Bruker, 2002)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'olex2.refine (Bourhis et al., 2015)'
_computing_structure_solution    'olex2.solve (Bourhis et al., 2015)'
_refine_diff_density_max         0.4176
_refine_diff_density_min         -0.3254
_refine_diff_density_rms         0.0592
_refine_ls_abs_structure_details 
'Flack, H. D. (1983). Acta Cryst. A39, 876-881.'
_refine_ls_abs_structure_Flack   0.06(13)
_refine_ls_d_res_high            0.7352
_refine_ls_d_res_low             15.4099
_refine_ls_goodness_of_fit_ref   1.0367
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_constraints    47
_refine_ls_number_parameters     243
_refine_ls_number_reflns         5071
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0522
_refine_ls_R_factor_gt           0.0464
_refine_ls_restrained_S_all      1.0367
_refine_ls_shift/su_max          0.0008
_refine_ls_shift/su_mean         0.0001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details     
'w=1/[σ²(Fo²)+(0.0795P)²+0.2115P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1214
_refine_ls_wR_factor_ref         0.1251
_olex2_refinement_description    
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups, All O(H) groups
2.a Ternary CH refined with riding coordinates:
 C9(H9), C11(H11), C13(H13), C14(H14)
2.b Secondary CH2 refined with riding coordinates:
 C15(H15a,H15b)
2.c Aromatic/amide H refined with riding coordinates:
 C17(H17)
2.d Idealised Me refined as rotating group:
 C18(H18a,H18b,H18c), C20(H20a,H20b,H20c), C21(H21a,H21b,H21c), C22(H22a,H22b,
 H22c), C23(H23a,H23b,H23c), C24(H24a,H24b,H24c), C25(H25a,H25b,H25c), C26(H26a,
 H26b,H26c)
2.e Idealised tetrahedral OH refined as rotating group:
 O8(H8)
;
_atom_sites_solution_primary     iterative
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_refinement_flags_posn
Si1 Si 0.51935(8) 0.44040(6) 0.670099(17) 0.02993(14) Uani 1.000000 .
O2 O 0.6627(2) 0.41607(14) 0.62825(4) 0.0283(3) Uani 1.000000 .
O3 O 0.9025(2) 0.86840(14) 0.58068(5) 0.0348(3) Uani 1.000000 .
O4 O 0.64309(19) 0.40585(14) 0.51533(4) 0.0300(3) Uani 1.000000 .
O5 O 0.9617(3) 0.78722(16) 0.50090(5) 0.0420(4) Uani 1.000000 .
N6 N 0.8691(2) 0.65362(16) 0.55829(5) 0.0248(3) Uani 1.000000 .
O7 O 0.8473(3) 0.70276(16) 0.62827(5) 0.0489(5) Uani 1.000000 .
O8 O 0.2700(2) 0.51066(19) 0.54354(6) 0.0474(4) Uani 1.000000 .
H8 H 0.331(3) 0.5476(12) 0.5239(7) 0.0712(7) Uiso 1.000000 GR
C9 C 0.6432(3) 0.47400(19) 0.58723(6) 0.0250(4) Uani 1.000000 .
H9 H 0.5601(3) 0.55550(19) 0.58885(6) 0.0300(4) Uiso 1.000000 R
C10 C 0.8732(3) 0.7424(2) 0.59296(6) 0.0302(4) Uani 1.000000 .
C11 C 0.5575(3) 0.37334(19) 0.55542(6) 0.0272(4) Uani 1.000000 .
H11 H 0.5959(3) 0.28057(19) 0.56379(6) 0.0327(5) Uiso 1.000000 R
C12 C 0.9150(3) 0.6806(2) 0.51561(6) 0.0286(4) Uani 1.000000 .
C13 C 0.8406(3) 0.51057(18) 0.56748(6) 0.0236(3) Uani 1.000000 .
H13 H 0.9480(3) 0.47496(18) 0.58529(6) 0.0283(4) Uiso 1.000000 R
C14 C 0.8398(3) 0.44379(19) 0.52307(6) 0.0271(4) Uani 1.000000 .
H14 H 0.9275(3) 0.36459(19) 0.52208(6) 0.0325(5) Uiso 1.000000 R
C15 C 0.9002(3) 0.5511(2) 0.49124(6) 0.0330(4) Uani 1.000000 .
H15a H 0.8037(3) 0.5590(2) 0.46828(6) 0.0396(5) Uiso 1.000000 R
H15b H 1.0255(3) 0.5280(2) 0.47834(6) 0.0396(5) Uiso 1.000000 R
C16 C 0.6796(3) 0.4303(2) 0.71862(6) 0.0351(4) Uani 1.000000 .
C17 C 0.3410(3) 0.3790(2) 0.54978(7) 0.0373(5) Uani 1.000000 .
H17 H 0.2611(3) 0.3021(2) 0.55037(7) 0.0448(6) Uiso 1.000000 R
C18 C 0.9398(5) 1.1010(2) 0.58626(8) 0.0515(7) Uani 1.000000 .
H18a H 1.0679(14) 1.0940(11) 0.5736(6) 0.0773(10) Uiso 1.000000 GR
H18b H 0.844(2) 1.1082(13) 0.5637(5) 0.0773(10) Uiso 1.000000 GR
H18c H 0.934(3) 1.1805(3) 0.60441(17) 0.0773(10) Uiso 1.000000 GR
C19 C 0.8996(4) 0.9767(2) 0.61288(7) 0.0361(5) Uani 1.000000 .
C20 C 0.3364(4) 0.3014(3) 0.67235(9) 0.0506(6) Uani 1.000000 .
H20a H 0.2441(18) 0.3123(13) 0.6491(4) 0.0759(9) Uiso 1.000000 GR
H20b H 0.4015(5) 0.2149(3) 0.6695(7) 0.0759(9) Uiso 1.000000 GR
H20c H 0.269(2) 0.3046(14) 0.6996(3) 0.0759(9) Uiso 1.000000 GR
C21 C 0.5551(4) 0.4358(3) 0.75936(7) 0.0542(7) Uani 1.000000 .
H21a H 0.487(3) 0.5214(11) 0.7605(4) 0.0813(10) Uiso 1.000000 GR
H21b H 0.462(2) 0.3623(15) 0.7590(4) 0.0813(10) Uiso 1.000000 GR
H21c H 0.6378(6) 0.427(2) 0.78442(8) 0.0813(10) Uiso 1.000000 GR
C22 C 0.7921(4) 0.2977(3) 0.71853(9) 0.0487(6) Uani 1.000000 .
H22a H 0.7019(4) 0.2225(3) 0.7190(7) 0.0731(9) Uiso 1.000000 GR
H22b H 0.871(2) 0.2926(10) 0.6929(3) 0.0731(9) Uiso 1.000000 GR
H22c H 0.875(2) 0.2936(10) 0.7437(4) 0.0731(9) Uiso 1.000000 GR
C23 C 0.8254(5) 0.5462(3) 0.71938(9) 0.0566(7) Uani 1.000000 .
H23a H 0.902(2) 0.5445(15) 0.6933(4) 0.0849(11) Uiso 1.000000 GR
H23b H 0.7567(5) 0.6315(3) 0.7213(8) 0.0849(11) Uiso 1.000000 GR
H23c H 0.910(2) 0.5363(14) 0.7440(4) 0.0849(11) Uiso 1.000000 GR
C24 C 0.3910(4) 0.6045(3) 0.66573(8) 0.0483(6) Uani 1.000000 .
H24a H 0.4851(4) 0.6772(3) 0.6642(7) 0.0724(9) Uiso 1.000000 GR
H24b H 0.312(2) 0.6049(8) 0.6400(4) 0.0724(9) Uiso 1.000000 GR
H24c H 0.309(2) 0.6173(10) 0.6907(3) 0.0724(9) Uiso 1.000000 GR
C25 C 1.0557(6) 0.9563(3) 0.64552(11) 0.0768(11) Uani 1.000000 .
H25a H 1.020(2) 0.882(2) 0.6644(6) 0.1152(17) Uiso 1.000000 GR
H25b H 1.1765(11) 0.935(3) 0.63109(12) 0.1152(17) Uiso 1.000000 GR
H25c H 1.071(3) 1.0382(11) 0.6623(6) 0.1152(17) Uiso 1.000000 GR
C26 C 0.6979(5) 0.9876(3) 0.63147(11) 0.0654(9) Uani 1.000000 .
H26a H 0.6037(6) 0.989(3) 0.60834(11) 0.0981(13) Uiso 1.000000 GR
H26b H 0.6730(14) 0.9104(14) 0.6499(6) 0.0981(13) Uiso 1.000000 GR
H26c H 0.6874(13) 1.0701(13) 0.6481(7) 0.0981(13) Uiso 1.000000 GR


loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
_geom_bond_site_symmetry_2
_geom_bond_publ_flag
Si1 O2 1.6364(14) . ?
Si1 C16 1.855(2) . ?
Si1 C20 1.849(2) . ?
Si1 C24 1.835(3) . ?
O2 C9 1.392(2) . ?
O3 C10 1.306(2) . ?
O3 C19 1.452(2) . ?
O4 C11 1.403(2) . ?
O4 C14 1.413(2) . ?
O5 C12 1.182(2) . ?
N6 C10 1.378(3) . ?
N6 C12 1.378(2) . ?
N6 C13 1.442(2) . ?
O7 C10 1.169(2) . ?
O8 H8 0.8200 . ?
O8 C17 1.390(3) . ?
C9 H9 0.9800 . ?
C9 C11 1.508(3) . ?
C9 C13 1.521(2) . ?
C11 H11 0.9800 . ?
C11 C17 1.489(3) . ?
C12 C15 1.477(3) . ?
C13 H13 0.9800 . ?
C13 C14 1.517(2) . ?
C14 H14 0.9800 . ?
C14 C15 1.495(3) . ?
C15 H15a 0.9700 . ?
C15 H15b 0.9700 . ?
C16 C21 1.517(3) . ?
C16 C22 1.508(3) . ?
C16 C23 1.509(3) . ?
C17 H17 0.9300 . ?
C18 H18a 0.9600 . ?
C18 H18b 0.9600 . ?
C18 H18c 0.9600 . ?
C18 C19 1.493(3) . ?
C19 C25 1.479(4) . ?
C19 C26 1.495(4) . ?
C20 H20a 0.9600 . ?
C20 H20b 0.9600 . ?
C20 H20c 0.9600 . ?
C21 H21a 0.9600 . ?
C21 H21b 0.9600 . ?
C21 H21c 0.9600 . ?
C22 H22a 0.9600 . ?
C22 H22b 0.9600 . ?
C22 H22c 0.9600 . ?
C23 H23a 0.9600 . ?
C23 H23b 0.9600 . ?
C23 H23c 0.9600 . ?
C24 H24a 0.9600 . ?
C24 H24b 0.9600 . ?
C24 H24c 0.9600 . ?
C25 H25a 0.9600 . ?
C25 H25b 0.9600 . ?
C25 H25c 0.9600 . ?
C26 H26a 0.9600 . ?
C26 H26b 0.9600 . ?
C26 H26c 0.9600 . ?

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
_geom_angle_publ_flag
C16 Si1 O2 105.95(9) . . ?
C20 Si1 O2 109.05(10) . . ?
C20 Si1 C16 109.19(12) . . ?
C24 Si1 O2 110.81(10) . . ?
C24 Si1 C16 112.79(11) . . ?
C24 Si1 C20 108.97(14) . . ?
C9 O2 Si1 126.80(12) . . ?
C19 O3 C10 119.32(16) . . ?
C14 O4 C11 107.85(14) . . ?
C12 N6 C10 127.96(17) . . ?
C13 N6 C10 117.58(15) . . ?
C13 N6 C12 113.84(16) . . ?
C17 O8 H8 109.5 . . ?
H9 C9 O2 109.94(9) . . ?
C11 C9 O2 111.18(15) . . ?
C11 C9 H9 109.94(10) . . ?
C13 C9 O2 111.99(15) . . ?
C13 C9 H9 109.94(10) . . ?
C13 C9 C11 103.71(15) . . ?
N6 C10 O3 111.98(17) . . ?
O7 C10 O3 127.34(19) . . ?
O7 C10 N6 120.65(19) . . ?
C9 C11 O4 105.24(15) . . ?
H11 C11 O4 109.32(10) . . ?
H11 C11 C9 109.32(10) . . ?
C17 C11 O4 107.57(17) . . ?
C17 C11 C9 115.86(18) . . ?
C17 C11 H11 109.32(12) . . ?
N6 C12 O5 126.63(19) . . ?
C15 C12 O5 125.57(18) . . ?
C15 C12 N6 107.79(16) . . ?
C9 C13 N6 115.25(15) . . ?
H13 C13 N6 110.78(10) . . ?
H13 C13 C9 110.78(9) . . ?
C14 C13 N6 104.00(15) . . ?
C14 C13 C9 104.86(15) . . ?
C14 C13 H13 110.78(10) . . ?
C13 C14 O4 105.60(14) . . ?
H14 C14 O4 111.53(10) . . ?
H14 C14 C13 111.53(10) . . ?
C15 C14 O4 109.62(15) . . ?
C15 C14 C13 106.75(15) . . ?
C15 C14 H14 111.53(11) . . ?
C14 C15 C12 106.75(15) . . ?
H15a C15 C12 110.37(11) . . ?
H15a C15 C14 110.37(11) . . ?
H15b C15 C12 110.37(11) . . ?
H15b C15 C14 110.37(11) . . ?
H15b C15 H15a 108.6 . . ?
C21 C16 Si1 109.57(17) . . ?
C22 C16 Si1 110.17(16) . . ?
C22 C16 C21 108.5(2) . . ?
C23 C16 Si1 111.17(16) . . ?
C23 C16 C21 109.2(2) . . ?
C23 C16 C22 108.1(2) . . ?
C11 C17 O8 113.37(17) . . ?
H17 C17 O8 123.32(11) . . ?
H17 C17 C11 123.32(12) . . ?
H18b C18 H18a 109.5 . . ?
H18c C18 H18a 109.5 . . ?
H18c C18 H18b 109.5 . . ?
C19 C18 H18a 109.5 . . ?
C19 C18 H18b 109.5 . . ?
C19 C18 H18c 109.5 . . ?
C18 C19 O3 102.54(16) . . ?
C25 C19 O3 110.8(2) . . ?
C25 C19 C18 110.6(2) . . ?
C26 C19 O3 109.05(19) . . ?
C26 C19 C18 108.8(2) . . ?
C26 C19 C25 114.4(3) . . ?
H20a C20 Si1 109.5 . . ?
H20b C20 Si1 109.5 . . ?
H20b C20 H20a 109.5 . . ?
H20c C20 Si1 109.5 . . ?
H20c C20 H20a 109.5 . . ?
H20c C20 H20b 109.5 . . ?
H21a C21 C16 109.5 . . ?
H21b C21 C16 109.5 . . ?
H21b C21 H21a 109.5 . . ?
H21c C21 C16 109.5 . . ?
H21c C21 H21a 109.5 . . ?
H21c C21 H21b 109.5 . . ?
H22a C22 C16 109.5 . . ?
H22b C22 C16 109.5 . . ?
H22b C22 H22a 109.5 . . ?
H22c C22 C16 109.5 . . ?
H22c C22 H22a 109.5 . . ?
H22c C22 H22b 109.5 . . ?
H23a C23 C16 109.5 . . ?
H23b C23 C16 109.5 . . ?
H23b C23 H23a 109.5 . . ?
H23c C23 C16 109.5 . . ?
H23c C23 H23a 109.5 . . ?
H23c C23 H23b 109.5 . . ?
H24a C24 Si1 109.5 . . ?
H24b C24 Si1 109.5 . . ?
H24b C24 H24a 109.5 . . ?
H24c C24 Si1 109.5 . . ?
H24c C24 H24a 109.5 . . ?
H24c C24 H24b 109.5 . . ?
H25a C25 C19 109.5 . . ?
H25b C25 C19 109.5 . . ?
H25b C25 H25a 109.5 . . ?
H25c C25 C19 109.5 . . ?
H25c C25 H25a 109.5 . . ?
H25c C25 H25b 109.5 . . ?
H26a C26 C19 109.5 . . ?
H26b C26 C19 109.5 . . ?
H26b C26 H26a 109.5 . . ?
H26c C26 C19 109.5 . . ?
H26c C26 H26a 109.5 . . ?
H26c C26 H26b 109.5 . . ?

_olex2_submission_special_instructions 'No special instructions were received'
