# Electronic Supplementary Material (ESI) for ChemComm.
# This journal is © The Royal Society of Chemistry 2019

####################################################################### 
# 
# 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_1L
_database_code_depnum_ccdc_archive 'CCDC 1857506'
loop_
_audit_author_name
_audit_author_address
'Bijit Chowdhury'
;IACS Kolkata
India
;
_audit_update_record             
;
2018-07-23 deposited with the CCDC.	2019-04-04 downloaded from the CCDC.
;

_audit_creation_method           SHELXL-97
_chemical_name_systematic        
; 
 ? 
;
_chemical_name_common            ?
_chemical_melting_point          ?
_chemical_formula_moiety         ?
_chemical_formula_sum            'C27 H22 N2 O2 S'
_chemical_formula_weight         438.53

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   P2(1)/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                   6.8651(5)
_cell_length_b                   19.3795(13)
_cell_length_c                   18.3270(13)
_cell_angle_alpha                90.00
_cell_angle_beta                 99.218(2)
_cell_angle_gamma                90.00
_cell_volume                     2406.8(3)
_cell_formula_units_Z            4
_cell_measurement_temperature    293(2)
_cell_measurement_reflns_used    4293
_cell_measurement_theta_min      2.25
_cell_measurement_theta_max      26.00

_exptl_crystal_description       block
_exptl_crystal_colour            'light yellow'
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.2
_exptl_crystal_density_meas      ?
_exptl_crystal_density_diffrn    1.210
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             920
_exptl_absorpt_coefficient_mu    0.160
_exptl_absorpt_correction_type   ?
_exptl_absorpt_correction_T_min  ?
_exptl_absorpt_correction_T_max  ?
_exptl_absorpt_process_details   ?

_exptl_special_details           
; 
 ? 
;

_diffrn_ambient_temperature      293(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  'Bruker APEX-II CCD'
_diffrn_measurement_method       'φ and ω scans'
_diffrn_detector_area_resol_mean ?
_diffrn_reflns_number            22865
_diffrn_reflns_av_R_equivalents  0.0615
_diffrn_reflns_av_sigmaI/netI    0.0488
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_theta_min         1.54
_diffrn_reflns_theta_max         25.00
_reflns_number_total             4228
_reflns_number_gt                3132
_reflns_threshold_expression     >2sigma(I)

_computing_data_collection       'Bruker APEX2'
_computing_cell_refinement       'Bruker SAINT'
_computing_data_reduction        'Bruker SAINT'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_molecular_graphics    'Mercury 3.8'
_computing_publication_material  'Ortep 3v.2'

_refine_special_details          
; 
 Refinement of F² against ALL reflections.  The weighted R-factor wR and 
 goodness of fit S are based on F², conventional R-factors R are based 
 on F, with F set to zero for negative F². The threshold expression of 
 F² > 2sigma(F²) is used only for calculating R-factors(gt) etc. and is 
 not relevant to the choice of reflections for refinement.  R-factors based 
 on F² 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/[σ²(Fo²)+(0.0567P)²+4.0010P] where P=(Fo²+2Fc²)/3'
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_atom_sites_solution_hydrogens   geom
_refine_ls_hydrogen_treatment    mixed
_refine_ls_extinction_method     none
_refine_ls_extinction_coef       ?
_refine_ls_number_reflns         4228
_refine_ls_number_parameters     292
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0853
_refine_ls_R_factor_gt           0.0669
_refine_ls_wR_factor_ref         0.1858
_refine_ls_wR_factor_gt          0.1782
_refine_ls_goodness_of_fit_ref   1.219
_refine_ls_restrained_S_all      1.219
_refine_ls_shift/su_max          0.000
_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
S1 S 0.54359(15) 0.75210(5) 0.66132(5) 0.0280(3) Uani 1 1 d . . .
O6 O 0.7875(4) 0.61387(16) 0.73548(15) 0.0395(8) Uani 1 1 d . . .
H6 H 0.8671 0.6456 0.7438 0.059 Uiso 1 1 calc R . .
O1 O 0.3698(4) 0.70207(14) 0.65238(17) 0.0367(7) Uani 1 1 d . . .
N1 N 0.4088(4) 0.56715(16) 0.64928(16) 0.0244(7) Uani 1 1 d . . .
N2 N 0.4285(4) 0.46483(15) 0.69903(16) 0.0231(7) Uani 1 1 d . . .
H51 H 0.4481 0.4322 0.7311 0.028 Uiso 1 1 calc R . .
C14 C 0.3482(5) 0.52031(19) 0.5933(2) 0.0229(8) Uani 1 1 d . . .
C13 C 0.3606(5) 0.4565(2) 0.6235(2) 0.0238(8) Uani 1 1 d . . .
C5 C 0.2785(5) 0.5336(2) 0.5175(2) 0.0249(8) Uani 1 1 d . . .
C15 C 0.4579(5) 0.53221(18) 0.7131(2) 0.0234(8) Uani 1 1 d . . .
C6 C 0.2187(5) 0.4748(2) 0.4730(2) 0.0265(9) Uani 1 1 d . . .
C12 C 0.3032(5) 0.39507(19) 0.5823(2) 0.0246(8) Uani 1 1 d . . .
C16 C 0.5227(6) 0.56481(19) 0.7846(2) 0.0252(8) Uani 1 1 d . . .
C17 C 0.4133(6) 0.55677(19) 0.8443(2) 0.0263(9) Uani 1 1 d . . .
C7 C 0.2334(5) 0.4058(2) 0.5056(2) 0.0262(9) Uani 1 1 d . . .
C4 C 0.2655(5) 0.6000(2) 0.4866(2) 0.0279(9) Uani 1 1 d . . .
H4 H 0.3044 0.6381 0.5163 0.033 Uiso 1 1 calc R . .
C21 C 0.6898(6) 0.6064(2) 0.7936(2) 0.0302(9) Uani 1 1 d . . .
C11 C 0.3118(6) 0.3291(2) 0.6128(2) 0.0318(9) Uani 1 1 d . . .
H11 H 0.3588 0.3231 0.6629 0.038 Uiso 1 1 calc R . .
C1 C 0.1466(5) 0.4867(2) 0.3975(2) 0.0315(10) Uani 1 1 d . . .
H1 H 0.1047 0.4494 0.3670 0.038 Uiso 1 1 calc R . .
C8 C 0.1742(6) 0.3464(2) 0.4629(2) 0.0334(10) Uani 1 1 d . . .
H8 H 0.1285 0.3510 0.4126 0.040 Uiso 1 1 calc R . .
C20 C 0.7548(7) 0.6393(2) 0.8614(2) 0.0367(10) Uani 1 1 d . . .
H20 H 0.8674 0.6667 0.8672 0.044 Uiso 1 1 calc R . .
C3 C 0.1960(6) 0.6092(2) 0.4129(2) 0.0341(10) Uani 1 1 d . . .
H3 H 0.1883 0.6534 0.3927 0.041 Uiso 1 1 calc R . .
C2 C 0.1365(6) 0.5522(2) 0.3678(2) 0.0340(10) Uani 1 1 d . . .
H50 H 0.0902 0.5585 0.3177 0.041 Uiso 1 1 calc R . .
C22 C 0.2350(7) 0.5202(2) 0.8374(2) 0.0354(10) Uani 1 1 d . . .
H22 H 0.1875 0.4985 0.7928 0.042 Uiso 1 1 calc R . .
C18 C 0.4816(7) 0.5901(2) 0.9124(2) 0.0326(9) Uani 1 1 d . . .
C19 C 0.6531(7) 0.6310(2) 0.9184(2) 0.0403(11) Uani 1 1 d . . .
H19 H 0.6980 0.6532 0.9630 0.048 Uiso 1 1 calc R . .
C10 C 0.2516(6) 0.2729(2) 0.5696(3) 0.0385(10) Uani 1 1 d . . .
H10 H 0.2568 0.2291 0.5905 0.046 Uiso 1 1 calc R . .
C25 C 0.3732(8) 0.5824(2) 0.9717(2) 0.0439(12) Uani 1 1 d . . .
H25 H 0.4205 0.6020 1.0175 0.053 Uiso 1 1 calc R . .
C23 C 0.1298(8) 0.5156(2) 0.8940(3) 0.0443(12) Uani 1 1 d . . .
H23 H 0.0104 0.4919 0.8876 0.053 Uiso 1 1 calc R . .
C9 C 0.1829(7) 0.2815(2) 0.4947(3) 0.0420(11) Uani 1 1 d . . .
H9 H 0.1424 0.2432 0.4656 0.050 Uiso 1 1 calc R . .
C26 C 0.4668(7) 0.8193(2) 0.5972(3) 0.0453(12) Uani 1 1 d . . .
H26A H 0.4526 0.8014 0.5478 0.068 Uiso 1 1 calc R . .
H26B H 0.5638 0.8554 0.6031 0.068 Uiso 1 1 calc R . .
H26C H 0.3426 0.8374 0.6061 0.068 Uiso 1 1 calc R . .
C24 C 0.2017(8) 0.5466(2) 0.9622(2) 0.0469(12) Uani 1 1 d . . .
H24 H 0.1308 0.5426 1.0012 0.056 Uiso 1 1 calc R . .
C27 C 0.5254(7) 0.7977(2) 0.7445(2) 0.0435(11) Uani 1 1 d . . .
H27A H 0.3976 0.8189 0.7405 0.065 Uiso 1 1 calc R . .
H27B H 0.6255 0.8327 0.7525 0.065 Uiso 1 1 calc R . .
H27C H 0.5432 0.7661 0.7854 0.065 Uiso 1 1 calc R . .


_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
S1 O1 1.526(3) . ?
S1 C26 1.777(4) . ?
S1 C27 1.784(4) . ?
O6 C21 1.355(5) . ?
O6 H6 0.8200 . ?
N1 C15 1.346(5) . ?
N1 C14 1.382(4) . ?
N2 C15 1.340(5) . ?
N2 C13 1.398(5) . ?
N2 H51 0.8600 . ?
C14 C13 1.351(5) . ?
C14 C5 1.419(5) . ?
C13 C12 1.431(5) . ?
C5 C4 1.404(6) . ?
C5 C6 1.423(5) . ?
C15 C16 1.459(5) . ?
C6 C1 1.412(5) . ?
C6 C7 1.462(6) . ?
C12 C11 1.393(6) . ?
C12 C7 1.426(5) . ?
C16 C21 1.390(5) . ?
C16 C17 1.432(5) . ?
C17 C22 1.403(6) . ?
C17 C18 1.416(5) . ?
C7 C8 1.415(5) . ?
C4 C3 1.370(6) . ?
C4 H4 0.9300 . ?
C21 C20 1.405(6) . ?
C11 C10 1.371(6) . ?
C11 H11 0.9300 . ?
C1 C2 1.378(6) . ?
C1 H1 0.9300 . ?
C8 C9 1.383(6) . ?
C8 H8 0.9300 . ?
C20 C19 1.355(6) . ?
C20 H20 0.9300 . ?
C3 C2 1.401(6) . ?
C3 H3 0.9300 . ?
C2 H50 0.9300 . ?
C22 C23 1.359(6) . ?
C22 H22 0.9300 . ?
C18 C19 1.410(6) . ?
C18 C25 1.421(6) . ?
C19 H19 0.9300 . ?
C10 C9 1.389(6) . ?
C10 H10 0.9300 . ?
C25 C24 1.353(7) . ?
C25 H25 0.9300 . ?
C23 C24 1.404(7) . ?
C23 H23 0.9300 . ?
C9 H9 0.9300 . ?
C26 H26A 0.9600 . ?
C26 H26B 0.9600 . ?
C26 H26C 0.9600 . ?
C24 H24 0.9300 . ?
C27 H27A 0.9600 . ?
C27 H27B 0.9600 . ?
C27 H27C 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
O1 S1 C26 104.5(2) . . ?
O1 S1 C27 104.25(19) . . ?
C26 S1 C27 98.5(2) . . ?
C21 O6 H6 109.5 . . ?
C15 N1 C14 108.5(3) . . ?
C15 N2 C13 108.6(3) . . ?
C15 N2 H51 125.7 . . ?
C13 N2 H51 125.7 . . ?
C13 C14 N1 107.8(3) . . ?
C13 C14 C5 123.7(3) . . ?
N1 C14 C5 128.4(3) . . ?
C14 C13 N2 106.8(3) . . ?
C14 C13 C12 123.5(3) . . ?
N2 C13 C12 129.6(3) . . ?
C4 C5 C14 123.5(3) . . ?
C4 C5 C6 120.6(3) . . ?
C14 C5 C6 115.9(3) . . ?
N2 C15 N1 108.3(3) . . ?
N2 C15 C16 127.6(3) . . ?
N1 C15 C16 124.1(3) . . ?
C1 C6 C5 117.0(4) . . ?
C1 C6 C7 122.7(3) . . ?
C5 C6 C7 120.2(3) . . ?
C11 C12 C7 121.0(3) . . ?
C11 C12 C13 124.2(4) . . ?
C7 C12 C13 114.8(3) . . ?
C21 C16 C17 119.7(3) . . ?
C21 C16 C15 119.0(3) . . ?
C17 C16 C15 121.2(3) . . ?
C22 C17 C18 118.1(4) . . ?
C22 C17 C16 122.9(3) . . ?
C18 C17 C16 118.9(4) . . ?
C8 C7 C12 116.6(4) . . ?
C8 C7 C6 121.6(3) . . ?
C12 C7 C6 121.8(3) . . ?
C3 C4 C5 120.4(4) . . ?
C3 C4 H4 119.8 . . ?
C5 C4 H4 119.8 . . ?
O6 C21 C16 118.2(3) . . ?
O6 C21 C20 121.3(4) . . ?
C16 C21 C20 120.5(4) . . ?
C10 C11 C12 120.5(4) . . ?
C10 C11 H11 119.8 . . ?
C12 C11 H11 119.8 . . ?
C2 C1 C6 121.7(4) . . ?
C2 C1 H1 119.2 . . ?
C6 C1 H1 119.2 . . ?
C9 C8 C7 121.2(4) . . ?
C9 C8 H8 119.4 . . ?
C7 C8 H8 119.4 . . ?
C19 C20 C21 119.9(4) . . ?
C19 C20 H20 120.0 . . ?
C21 C20 H20 120.0 . . ?
C4 C3 C2 120.1(4) . . ?
C4 C3 H3 120.0 . . ?
C2 C3 H3 120.0 . . ?
C1 C2 C3 120.1(4) . . ?
C1 C2 H50 119.9 . . ?
C3 C2 H50 119.9 . . ?
C23 C22 C17 121.8(4) . . ?
C23 C22 H22 119.1 . . ?
C17 C22 H22 119.1 . . ?
C19 C18 C17 118.7(4) . . ?
C19 C18 C25 122.2(4) . . ?
C17 C18 C25 119.1(4) . . ?
C20 C19 C18 122.2(4) . . ?
C20 C19 H19 118.9 . . ?
C18 C19 H19 118.9 . . ?
C11 C10 C9 120.0(4) . . ?
C11 C10 H10 120.0 . . ?
C9 C10 H10 120.0 . . ?
C24 C25 C18 120.4(4) . . ?
C24 C25 H25 119.8 . . ?
C18 C25 H25 119.8 . . ?
C22 C23 C24 119.8(4) . . ?
C22 C23 H23 120.1 . . ?
C24 C23 H23 120.1 . . ?
C8 C9 C10 120.6(4) . . ?
C8 C9 H9 119.7 . . ?
C10 C9 H9 119.7 . . ?
S1 C26 H26A 109.5 . . ?
S1 C26 H26B 109.5 . . ?
H26A C26 H26B 109.5 . . ?
S1 C26 H26C 109.5 . . ?
H26A C26 H26C 109.5 . . ?
H26B C26 H26C 109.5 . . ?
C25 C24 C23 120.6(4) . . ?
C25 C24 H24 119.7 . . ?
C23 C24 H24 119.7 . . ?
S1 C27 H27A 109.5 . . ?
S1 C27 H27B 109.5 . . ?
H27A C27 H27B 109.5 . . ?
S1 C27 H27C 109.5 . . ?
H27A C27 H27C 109.5 . . ?
H27B C27 H27C 109.5 . . ?

_diffrn_measured_fraction_theta_max 1.000
_diffrn_reflns_theta_full        25.00
_diffrn_measured_fraction_theta_full 1.000
_refine_diff_density_max         0.823
_refine_diff_density_min         -0.325
_refine_diff_density_rms         0.065
