# Electronic Supplementary Material (ESI) for Chemical Communications
# This journal is © The Royal Society of Chemistry 2011


data_global
_journal_name_full               Chem.Commun.
_journal_coden_cambridge         0182
_journal_year                    ?
_journal_volume                  ?
_journal_page_first              ?
_publ_contact_author_name        'Yongshu Xie'
_publ_contact_author_email       yshxie@ecust.edu.cn
loop_
_publ_author_name
'Yue Wu'
'Shangjun Chen'
'Yuheng Yang'
'Qiong Zhang'
'Yongshu Xie'
'He Tian'
'Weihong Zhu'

data_p21n
_database_code_depnum_ccdc_archive 'CCDC 843533'
#TrackingRef 'p21n.cif'

_audit_creation_method           SHELXL-97
_chemical_name_systematic        
;
?
;
_chemical_name_common            ?
_chemical_melting_point          ?
_chemical_formula_moiety         ?
_chemical_formula_sum            'C28 H20 N2 O2 S3'
_chemical_formula_weight         512.64

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'
S S 0.1246 0.1234 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'

_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_H-M   p21/n

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'

_cell_length_a                   14.2273(13)
_cell_length_b                   13.0726(12)
_cell_length_c                   14.5059(13)
_cell_angle_alpha                90.00
_cell_angle_beta                 109.866(2)
_cell_angle_gamma                90.00
_cell_volume                     2537.4(4)
_cell_formula_units_Z            4
_cell_measurement_temperature    296(2)
_cell_measurement_reflns_used    ?
_cell_measurement_theta_min      ?
_cell_measurement_theta_max      ?

_exptl_crystal_description       ?
_exptl_crystal_colour            ?
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.13
_exptl_crystal_density_meas      ?
_exptl_crystal_density_diffrn    1.342
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1064
_exptl_absorpt_coefficient_mu    0.321
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_correction_T_min  0.9386
_exptl_absorpt_correction_T_max  0.9595
_exptl_absorpt_process_details   ?

_exptl_special_details           
;
?
;

_diffrn_ambient_temperature      296(2)
_diffrn_radiation_wavelength     0.71073
_diffrn_radiation_type           MoK\a
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_monochromator  graphite
_diffrn_measurement_device_type  ?
_diffrn_measurement_method       ?
_diffrn_detector_area_resol_mean ?
_diffrn_standards_number         ?
_diffrn_standards_interval_count ?
_diffrn_standards_interval_time  ?
_diffrn_standards_decay_%        ?
_diffrn_reflns_number            13187
_diffrn_reflns_av_R_equivalents  0.0202
_diffrn_reflns_av_sigmaI/netI    0.0273
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_theta_min         2.18
_diffrn_reflns_theta_max         27.53
_reflns_number_total             5638
_reflns_number_gt                4713
_reflns_threshold_expression     >2sigma(I)

_computing_data_collection       ?
_computing_cell_refinement       ?
_computing_data_reduction        ?
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_molecular_graphics    ?
_computing_publication_material  ?

_refine_special_details          
;
Refinement of F^2^ against ALL reflections. The weighted R-factor wR and
goodness of fit S are based on F^2^, conventional R-factors R are based
on F, with F set to zero for negative F^2^. The threshold expression of
F^2^ > 2sigma(F^2^) is used only for calculating R-factors(gt) etc. and is
not relevant to the choice of reflections for refinement. R-factors based
on F^2^ are statistically about twice as large as those based on F, and R-
factors based on ALL data will be even larger.
;

_refine_ls_structure_factor_coef Fsqd
_refine_ls_matrix_type           full
_refine_ls_weighting_scheme      calc
_refine_ls_weighting_details     
'calc w=1/[\s^2^(Fo^2^)+(0.1182P)^2^+0.4018P] where P=(Fo^2^+2Fc^2^)/3'
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_atom_sites_solution_hydrogens   geom
_refine_ls_hydrogen_treatment    constr
_refine_ls_extinction_method     none
_refine_ls_extinction_coef       ?
_refine_ls_number_reflns         5638
_refine_ls_number_parameters     318
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0579
_refine_ls_R_factor_gt           0.0450
_refine_ls_wR_factor_ref         0.1724
_refine_ls_wR_factor_gt          0.1420
_refine_ls_goodness_of_fit_ref   1.088
_refine_ls_restrained_S_all      1.088
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000

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
C1 C 0.71733(13) 0.58410(14) 0.12856(13) 0.0358(4) Uani 1 1 d . . .
C2 C 0.61694(15) 0.56209(17) 0.10352(16) 0.0453(5) Uani 1 1 d . . .
H2 H 0.5693 0.5962 0.0525 0.054 Uiso 1 1 calc R . .
C3 C 0.58976(16) 0.48713(19) 0.15737(18) 0.0518(5) Uani 1 1 d . . .
H3 H 0.5226 0.4707 0.1425 0.062 Uiso 1 1 calc R . .
C4 C 0.66093(16) 0.43668(17) 0.23267(17) 0.0465(5) Uani 1 1 d . . .
H4 H 0.6412 0.3858 0.2671 0.056 Uiso 1 1 calc R . .
C5 C 0.76165(15) 0.46066(16) 0.25793(14) 0.0401(4) Uani 1 1 d . . .
H5 H 0.8091 0.4267 0.3092 0.048 Uiso 1 1 calc R . .
C6 C 0.79017(14) 0.53554(14) 0.20587(13) 0.0340(4) Uani 1 1 d . . .
C7 C 0.89171(13) 0.57749(14) 0.22379(13) 0.0336(4) Uani 1 1 d . . .
C8 C 0.97666(13) 0.54327(14) 0.30919(13) 0.0348(4) Uani 1 1 d . . .
C9 C 1.03304(14) 0.60694(15) 0.38228(14) 0.0377(4) Uani 1 1 d . . .
C10 C 1.07588(14) 0.42477(15) 0.40083(14) 0.0384(4) Uani 1 1 d . . .
C11 C 1.12249(15) 0.32376(16) 0.43151(16) 0.0444(5) Uani 1 1 d . . .
C12 C 1.09603(19) 0.24235(18) 0.3673(2) 0.0564(6) Uani 1 1 d . . .
H12 H 1.0470 0.2505 0.3062 0.068 Uiso 1 1 calc R . .
C13 C 1.1427(2) 0.1479(2) 0.3942(3) 0.0727(8) Uani 1 1 d . . .
H13 H 1.1258 0.0938 0.3500 0.087 Uiso 1 1 calc R . .
C14 C 1.2126(2) 0.1341(2) 0.4843(3) 0.0799(10) Uani 1 1 d . . .
H14 H 1.2429 0.0706 0.5017 0.096 Uiso 1 1 calc R . .
C15 C 1.2388(2) 0.2144(3) 0.5502(3) 0.0756(9) Uani 1 1 d . . .
H15 H 1.2864 0.2045 0.6119 0.091 Uiso 1 1 calc R . .
C16 C 1.19446(18) 0.3100(2) 0.5246(2) 0.0598(6) Uani 1 1 d . . .
H16 H 1.2124 0.3641 0.5688 0.072 Uiso 1 1 calc R . .
C17 C 0.89541(13) 0.65203(14) 0.16163(13) 0.0354(4) Uani 1 1 d . . .
C18 C 0.98059(14) 0.70896(15) 0.15240(14) 0.0378(4) Uani 1 1 d . . .
C19 C 1.06665(16) 0.66764(17) 0.14627(18) 0.0469(5) Uani 1 1 d . . .
C20 C 1.05593(15) 0.85482(16) 0.14256(15) 0.0421(4) Uani 1 1 d . . .
C21 C 1.07084(17) 0.96550(17) 0.13529(16) 0.0451(5) Uani 1 1 d . . .
C22 C 1.1613(2) 1.0066(2) 0.1354(2) 0.0645(7) Uani 1 1 d . . .
H22 H 1.2156 0.9637 0.1432 0.077 Uiso 1 1 calc R . .
C23 C 1.1711(2) 1.1107(2) 0.1241(3) 0.0750(8) Uani 1 1 d . . .
H23 H 1.2315 1.1369 0.1233 0.090 Uiso 1 1 calc R . .
C24 C 1.0933(3) 1.1751(2) 0.1143(2) 0.0701(8) Uani 1 1 d . . .
H24 H 1.1011 1.2451 0.1080 0.084 Uiso 1 1 calc R . .
C25 C 1.0030(2) 1.1364(2) 0.1137(2) 0.0646(7) Uani 1 1 d . . .
H25 H 0.9496 1.1804 0.1067 0.077 Uiso 1 1 calc R . .
C26 C 0.99149(19) 1.03242(18) 0.12363(18) 0.0530(5) Uani 1 1 d . . .
H26 H 0.9301 1.0069 0.1225 0.064 Uiso 1 1 calc R . .
C27 C 1.02423(18) 0.71897(17) 0.39400(17) 0.0509(5) Uani 1 1 d . . .
H27A H 1.0791 0.7531 0.3827 0.076 Uiso 1 1 calc R . .
H27B H 1.0255 0.7334 0.4593 0.076 Uiso 1 1 calc R . .
H27C H 0.9624 0.7428 0.3476 0.076 Uiso 1 1 calc R . .
C28 C 1.0939(2) 0.5581(2) 0.1427(3) 0.0709(8) Uani 1 1 d . . .
H28A H 1.0357 0.5163 0.1319 0.106 Uiso 1 1 calc R . .
H28B H 1.1439 0.5394 0.2038 0.106 Uiso 1 1 calc R . .
H28C H 1.1197 0.5481 0.0903 0.106 Uiso 1 1 calc R . .
N1 N 1.00036(12) 0.44035(13) 0.31946(12) 0.0395(4) Uani 1 1 d . . .
N2 N 0.97459(12) 0.81465(13) 0.14928(13) 0.0396(4) Uani 1 1 d . . .
O1 O 0.76911(13) 0.64473(14) -0.02053(11) 0.0571(4) Uani 1 1 d . . .
O2 O 0.73734(12) 0.77601(12) 0.08592(13) 0.0556(4) Uani 1 1 d . . .
S1 S 0.77351(3) 0.67564(4) 0.07533(3) 0.03790(16) Uani 1 1 d . . .
S2 S 1.12040(4) 0.53386(4) 0.46881(4) 0.04444(18) Uani 1 1 d . . .
S3 S 1.14447(4) 0.76560(5) 0.13913(5) 0.0562(2) Uani 1 1 d . . .

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
C1 0.0318(9) 0.0359(9) 0.0376(9) -0.0014(7) 0.0090(7) -0.0025(7)
C2 0.0311(9) 0.0477(11) 0.0524(11) 0.0025(9) 0.0080(8) -0.0009(8)
C3 0.0368(10) 0.0551(13) 0.0630(13) -0.0005(11) 0.0162(9) -0.0074(9)
C4 0.0434(11) 0.0456(11) 0.0541(12) 0.0036(9) 0.0213(9) -0.0073(9)
C5 0.0423(10) 0.0403(10) 0.0365(9) 0.0011(7) 0.0116(8) -0.0022(8)
C6 0.0345(9) 0.0335(9) 0.0318(8) -0.0037(7) 0.0086(7) -0.0028(7)
C7 0.0323(8) 0.0330(9) 0.0335(8) -0.0025(7) 0.0088(7) -0.0006(7)
C8 0.0324(9) 0.0349(9) 0.0341(8) 0.0004(7) 0.0075(7) -0.0004(7)
C9 0.0336(9) 0.0380(10) 0.0374(9) -0.0003(7) 0.0067(7) 0.0006(7)
C10 0.0343(9) 0.0404(10) 0.0394(9) 0.0036(8) 0.0110(7) 0.0015(7)
C11 0.0393(10) 0.0442(11) 0.0518(11) 0.0126(9) 0.0180(9) 0.0038(8)
C12 0.0510(13) 0.0434(12) 0.0756(16) 0.0039(11) 0.0225(12) -0.0002(10)
C13 0.0710(17) 0.0397(13) 0.118(3) 0.0112(15) 0.0458(18) -0.0001(12)
C14 0.0746(19) 0.0521(16) 0.128(3) 0.0463(18) 0.055(2) 0.0180(14)
C15 0.0658(17) 0.075(2) 0.087(2) 0.0463(17) 0.0262(15) 0.0197(15)
C16 0.0514(13) 0.0656(15) 0.0603(14) 0.0238(12) 0.0162(11) 0.0131(11)
C17 0.0324(9) 0.0334(9) 0.0368(9) 0.0000(7) 0.0072(7) 0.0000(7)
C18 0.0361(9) 0.0369(9) 0.0399(9) 0.0013(7) 0.0125(7) -0.0007(7)
C19 0.0409(11) 0.0455(12) 0.0579(12) 0.0004(9) 0.0214(9) 0.0004(8)
C20 0.0379(10) 0.0464(11) 0.0462(10) -0.0001(9) 0.0198(8) -0.0030(8)
C21 0.0490(11) 0.0443(11) 0.0471(10) -0.0013(8) 0.0230(9) -0.0093(9)
C22 0.0561(14) 0.0542(14) 0.093(2) -0.0075(14) 0.0378(14) -0.0128(12)
C23 0.0728(18) 0.0606(16) 0.102(2) -0.0039(15) 0.0432(17) -0.0262(14)
C24 0.097(2) 0.0480(14) 0.0757(18) -0.0018(12) 0.0423(17) -0.0191(14)
C25 0.0790(18) 0.0506(14) 0.0709(16) 0.0083(12) 0.0344(14) 0.0024(13)
C26 0.0564(13) 0.0475(12) 0.0598(13) 0.0046(10) 0.0257(11) -0.0050(10)
C27 0.0517(12) 0.0404(11) 0.0501(11) -0.0075(9) 0.0038(10) 0.0020(9)
C28 0.0621(15) 0.0517(14) 0.108(2) -0.0007(15) 0.0407(16) 0.0111(12)
N1 0.0400(8) 0.0354(8) 0.0388(8) 0.0013(6) 0.0078(7) 0.0012(7)
N2 0.0377(8) 0.0368(8) 0.0467(9) 0.0011(7) 0.0177(7) -0.0022(6)
O1 0.0630(10) 0.0666(10) 0.0376(7) 0.0034(7) 0.0118(7) -0.0098(8)
O2 0.0441(8) 0.0350(8) 0.0754(11) 0.0069(7) 0.0043(7) 0.0043(6)
S1 0.0349(3) 0.0339(3) 0.0386(3) 0.00471(17) 0.00440(19) -0.00213(17)
S2 0.0390(3) 0.0464(3) 0.0386(3) 0.0000(2) 0.0011(2) 0.0009(2)
S3 0.0397(3) 0.0533(4) 0.0844(5) 0.0018(3) 0.0327(3) 0.0000(2)

_geom_special_details            
;
All esds (except the esd in the dihedral angle between two l.s. planes)
are estimated using the full covariance matrix. The cell esds are taken
into account individually in the estimation of esds in distances, angles
and torsion angles; correlations between esds in cell parameters are only
used when they are defined by crystal symmetry. An approximate (isotropic)
treatment of cell esds is used for estimating esds involving l.s. planes.
;

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
C1 C2 1.379(3) . ?
C1 C6 1.395(3) . ?
C1 S1 1.7568(19) . ?
C2 C3 1.388(3) . ?
C3 C4 1.379(3) . ?
C4 C5 1.389(3) . ?
C5 C6 1.379(3) . ?
C6 C7 1.483(3) . ?
C7 C17 1.341(3) . ?
C7 C8 1.476(2) . ?
C8 C9 1.372(3) . ?
C8 N1 1.383(2) . ?
C9 C27 1.485(3) . ?
C9 S2 1.7242(19) . ?
C10 N1 1.314(2) . ?
C10 C11 1.477(3) . ?
C10 S2 1.727(2) . ?
C11 C12 1.379(3) . ?
C11 C16 1.402(3) . ?
C12 C13 1.393(4) . ?
C13 C14 1.359(5) . ?
C14 C15 1.383(5) . ?
C15 C16 1.393(4) . ?
C17 C18 1.467(3) . ?
C17 S1 1.7873(18) . ?
C18 C19 1.368(3) . ?
C18 N2 1.384(3) . ?
C19 C28 1.489(3) . ?
C19 S3 1.719(2) . ?
C20 N2 1.304(3) . ?
C20 C21 1.471(3) . ?
C20 S3 1.730(2) . ?
C21 C26 1.392(3) . ?
C21 C22 1.395(3) . ?
C22 C23 1.383(4) . ?
C23 C24 1.358(4) . ?
C24 C25 1.379(4) . ?
C25 C26 1.382(4) . ?
O1 S1 1.4289(17) . ?
O2 S1 1.4365(16) . ?

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
C2 C1 C6 122.47(18) . . ?
C2 C1 S1 127.69(16) . . ?
C6 C1 S1 109.80(13) . . ?
C1 C2 C3 117.44(19) . . ?
C4 C3 C2 120.90(19) . . ?
C3 C4 C5 121.00(19) . . ?
C6 C5 C4 119.02(19) . . ?
C5 C6 C1 119.14(17) . . ?
C5 C6 C7 128.09(17) . . ?
C1 C6 C7 112.70(16) . . ?
C17 C7 C8 125.22(16) . . ?
C17 C7 C6 114.17(16) . . ?
C8 C7 C6 120.40(16) . . ?
C9 C8 N1 116.74(17) . . ?
C9 C8 C7 124.17(17) . . ?
N1 C8 C7 119.05(16) . . ?
C8 C9 C27 129.58(18) . . ?
C8 C9 S2 108.30(15) . . ?
C27 C9 S2 122.09(14) . . ?
N1 C10 C11 123.75(19) . . ?
N1 C10 S2 114.46(15) . . ?
C11 C10 S2 121.75(15) . . ?
C12 C11 C16 119.6(2) . . ?
C12 C11 C10 119.7(2) . . ?
C16 C11 C10 120.7(2) . . ?
C11 C12 C13 120.0(3) . . ?
C14 C13 C12 120.7(3) . . ?
C13 C14 C15 120.1(3) . . ?
C14 C15 C16 120.4(3) . . ?
C15 C16 C11 119.2(3) . . ?
C7 C17 C18 130.75(17) . . ?
C7 C17 S1 110.24(14) . . ?
C18 C17 S1 118.92(14) . . ?
C19 C18 N2 116.01(18) . . ?
C19 C18 C17 126.23(19) . . ?
N2 C18 C17 117.77(17) . . ?
C18 C19 C28 129.1(2) . . ?
C18 C19 S3 108.58(16) . . ?
C28 C19 S3 122.26(18) . . ?
N2 C20 C21 123.7(2) . . ?
N2 C20 S3 113.83(16) . . ?
C21 C20 S3 122.47(15) . . ?
C26 C21 C22 117.9(2) . . ?
C26 C21 C20 119.7(2) . . ?
C22 C21 C20 122.3(2) . . ?
C23 C22 C21 120.6(3) . . ?
C24 C23 C22 120.8(3) . . ?
C23 C24 C25 119.8(3) . . ?
C24 C25 C26 120.2(3) . . ?
C25 C26 C21 120.7(2) . . ?
C10 N1 C8 110.03(17) . . ?
C20 N2 C18 110.98(17) . . ?
O1 S1 O2 117.62(11) . . ?
O1 S1 C1 111.05(10) . . ?
O2 S1 C1 110.01(10) . . ?
O1 S1 C17 110.12(10) . . ?
O2 S1 C17 112.36(9) . . ?
C1 S1 C17 93.02(8) . . ?
C9 S2 C10 90.46(9) . . ?
C19 S3 C20 90.59(10) . . ?

_diffrn_measured_fraction_theta_max 0.965
_diffrn_reflns_theta_full        27.53
_diffrn_measured_fraction_theta_full 0.965
_refine_diff_density_max         0.469
_refine_diff_density_min         -0.474
_refine_diff_density_rms         0.107