# Electronic Supplementary Material (ESI) for RSC Advances.
# This journal is © The Royal Society of Chemistry 2014

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#
#                 Cambridge Crystallographic Data Centre
#                                CCDC 
# 
#######################################################################
# 
#  This CIF contains data from an original supplementary publication
#  deposited with the CCDC, and may include chemical, crystal,
#  experimental, refinement, atomic coordinates,
#  anisotropic displacement parameters and molecular geometry data,
#  as required by the journal to which it was submitted.
#
#  This CIF is provided on the understanding that it is used for bona
#  fide research purposes only. It may contain copyright material
#  of the CCDC or of third parties, and may not be copied or further
#  disseminated in any form, whether machine-readable or not,
#  except for the purpose of generating routine backup copies
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#  data retrieval see:
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#  from this site to visualise CIF-encoded structures and 
#  to carry out CIF format checking respectively.
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data_3g

_audit_creation_method           SHELXL-97
_chemical_name_systematic        
; 
2-(imidazolidin-2-ylidene)-2-((4-methoxyphenyl)thio)-1-phenylethanone
;
_chemical_name_common            
; 
2-(imidazolidin-2-ylidene)-2-((4-methoxyphenyl)thio)-1-phenylethanone
;
_chemical_melting_point          ?
_chemical_formula_moiety         ?
_chemical_formula_sum            'C18 H18 N2 O2 S'
_chemical_formula_weight         326.40

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)/c

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'

_cell_length_a                   11.5631(18)
_cell_length_b                   15.924(3)
_cell_length_c                   8.8842(14)
_cell_angle_alpha                90.00
_cell_angle_beta                 102.048(2)
_cell_angle_gamma                90.00
_cell_volume                     1599.8(4)
_cell_formula_units_Z            4
_cell_measurement_temperature    298(2)
_cell_measurement_reflns_used    ?
_cell_measurement_theta_min      ?
_cell_measurement_theta_max      ?

_exptl_crystal_description       BLOCK
_exptl_crystal_colour            COLOURLESS
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.14
_exptl_crystal_density_meas      ?
_exptl_crystal_density_diffrn    1.355
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             688
_exptl_absorpt_coefficient_mu    0.214
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_correction_T_min  0.9525
_exptl_absorpt_correction_T_max  0.9707
_exptl_absorpt_process_details   sadabs

_exptl_special_details           
; 
 ? 
;

_diffrn_ambient_temperature      298(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  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_detector_area_resol_mean ?
_diffrn_standards_number         ?
_diffrn_standards_interval_count ?
_diffrn_standards_interval_time  ?
_diffrn_standards_decay_%        ?
_diffrn_reflns_number            10822
_diffrn_reflns_av_R_equivalents  0.0468
_diffrn_reflns_av_sigmaI/netI    0.0599
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_theta_min         1.80
_diffrn_reflns_theta_max         28.19
_reflns_number_total             3761
_reflns_number_gt                2163
_reflns_threshold_expression     >2sigma(I)

_computing_data_collection       'Bruker apex II'
_computing_cell_refinement       'Bruker apex II'
_computing_data_reduction        'Bruker SAINT'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'

_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)+(0.0560P)²+0.1915P] 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     SHELXL
_refine_ls_extinction_coef       0.0116(14)
_refine_ls_number_reflns         3761
_refine_ls_number_parameters     209
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0963
_refine_ls_R_factor_gt           0.0476
_refine_ls_wR_factor_ref         0.1267
_refine_ls_wR_factor_gt          0.1024
_refine_ls_goodness_of_fit_ref   0.926
_refine_ls_restrained_S_all      0.926
_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
N1 N 0.39260(17) 0.10439(12) 0.8839(2) 0.0555(5) Uani 1 1 d . . .
H1 H 0.3257 0.0846 0.8953 0.067 Uiso 1 1 calc R . .
N2 N 0.53401(15) 0.14076(12) 0.7688(2) 0.0547(5) Uani 1 1 d . . .
H2 H 0.5691 0.1545 0.6961 0.066 Uiso 1 1 calc R . .
O1 O 0.18721(16) -0.27449(11) 0.7660(2) 0.0713(5) Uani 1 1 d . . .
O2 O 0.47976(14) 0.15161(12) 0.4591(2) 0.0689(5) Uani 1 1 d . . .
S1 S 0.19292(5) 0.08748(4) 0.60636(7) 0.04673(19) Uani 1 1 d . . .
C1 C 0.0895(2) -0.30893(17) 0.8179(3) 0.0762(8) Uani 1 1 d . . .
H1A H 0.0759 -0.2773 0.9046 0.114 Uiso 1 1 calc R . .
H1B H 0.1059 -0.3664 0.8478 0.114 Uiso 1 1 calc R . .
H1C H 0.0204 -0.3064 0.7364 0.114 Uiso 1 1 calc R . .
C2 C 0.1819(2) -0.19061(14) 0.7272(3) 0.0509(6) Uani 1 1 d . . .
C3 C 0.0846(2) -0.13916(15) 0.7240(3) 0.0525(6) Uani 1 1 d . . .
H3 H 0.0159 -0.1608 0.7478 0.063 Uiso 1 1 calc R . .
C4 C 0.09064(19) -0.05542(15) 0.6851(3) 0.0495(6) Uani 1 1 d . . .
H4 H 0.0251 -0.0212 0.6826 0.059 Uiso 1 1 calc R . .
C5 C 0.19189(17) -0.02145(13) 0.6498(2) 0.0418(5) Uani 1 1 d . . .
C6 C 0.28764(19) -0.07475(14) 0.6513(3) 0.0480(6) Uani 1 1 d . . .
H6 H 0.3561 -0.0536 0.6259 0.058 Uiso 1 1 calc R . .
C7 C 0.2826(2) -0.15774(15) 0.6894(3) 0.0517(6) Uani 1 1 d . . .
H7 H 0.3475 -0.1923 0.6899 0.062 Uiso 1 1 calc R . .
C8 C 0.34102(18) 0.11006(13) 0.6035(3) 0.0439(5) Uani 1 1 d . . .
C9 C 0.42041(19) 0.11876(13) 0.7469(3) 0.0457(5) Uani 1 1 d . . .
C10 C 0.5914(2) 0.13854(18) 0.9314(3) 0.0661(7) Uani 1 1 d . . .
H10A H 0.6327 0.1907 0.9630 0.079 Uiso 1 1 calc R . .
H10B H 0.6471 0.0923 0.9531 0.079 Uiso 1 1 calc R . .
C11 C 0.4894(2) 0.12632(18) 1.0110(3) 0.0676(7) Uani 1 1 d . . .
H11A H 0.5054 0.0814 1.0862 0.081 Uiso 1 1 calc R . .
H11B H 0.4724 0.1775 1.0615 0.081 Uiso 1 1 calc R . .
C12 C 0.3784(2) 0.12558(13) 0.4650(3) 0.0471(5) Uani 1 1 d . . .
C13 C 0.29292(19) 0.11201(14) 0.3136(3) 0.0467(6) Uani 1 1 d . . .
C14 C 0.2554(2) 0.17937(16) 0.2183(3) 0.0587(6) Uani 1 1 d . . .
H14 H 0.2819 0.2330 0.2494 0.070 Uiso 1 1 calc R . .
C15 C 0.1793(2) 0.16875(18) 0.0777(3) 0.0664(7) Uani 1 1 d . . .
H15 H 0.1544 0.2151 0.0155 0.080 Uiso 1 1 calc R . .
C16 C 0.1405(2) 0.09021(19) 0.0297(3) 0.0661(7) Uani 1 1 d . . .
H16 H 0.0891 0.0830 -0.0649 0.079 Uiso 1 1 calc R . .
C17 C 0.1780(2) 0.02173(18) 0.1221(3) 0.0664(7) Uani 1 1 d . . .
H17 H 0.1529 -0.0319 0.0889 0.080 Uiso 1 1 calc R . .
C18 C 0.2528(2) 0.03271(16) 0.2637(3) 0.0600(7) Uani 1 1 d . . .
H18 H 0.2765 -0.0136 0.3262 0.072 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
N1 C9 1.341(3) . ?
N1 C11 1.457(3) . ?
N1 H1 0.8600 . ?
N2 C9 1.334(3) . ?
N2 C10 1.459(3) . ?
N2 H2 0.8600 . ?
O1 C2 1.378(3) . ?
O1 C1 1.417(3) . ?
O2 C12 1.254(3) . ?
S1 C8 1.755(2) . ?
S1 C5 1.778(2) . ?
C1 H1A 0.9600 . ?
C1 H1B 0.9600 . ?
C1 H1C 0.9600 . ?
C2 C7 1.381(3) . ?
C2 C3 1.387(3) . ?
C3 C4 1.383(3) . ?
C3 H3 0.9300 . ?
C4 C5 1.384(3) . ?
C4 H4 0.9300 . ?
C5 C6 1.393(3) . ?
C6 C7 1.368(3) . ?
C6 H6 0.9300 . ?
C7 H7 0.9300 . ?
C8 C12 1.409(3) . ?
C8 C9 1.413(3) . ?
C10 C11 1.509(3) . ?
C10 H10A 0.9700 . ?
C10 H10B 0.9700 . ?
C11 H11A 0.9700 . ?
C11 H11B 0.9700 . ?
C12 C13 1.509(3) . ?
C13 C14 1.379(3) . ?
C13 C18 1.386(3) . ?
C14 C15 1.380(3) . ?
C14 H14 0.9300 . ?
C15 C16 1.366(3) . ?
C15 H15 0.9300 . ?
C16 C17 1.379(4) . ?
C16 H16 0.9300 . ?
C17 C18 1.381(3) . ?
C17 H17 0.9300 . ?
C18 H18 0.9300 . ?

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
C9 N1 C11 111.79(19) . . ?
C9 N1 H1 124.1 . . ?
C11 N1 H1 124.1 . . ?
C9 N2 C10 111.6(2) . . ?
C9 N2 H2 124.2 . . ?
C10 N2 H2 124.2 . . ?
C2 O1 C1 117.4(2) . . ?
C8 S1 C5 104.70(10) . . ?
O1 C1 H1A 109.5 . . ?
O1 C1 H1B 109.5 . . ?
H1A C1 H1B 109.5 . . ?
O1 C1 H1C 109.5 . . ?
H1A C1 H1C 109.5 . . ?
H1B C1 H1C 109.5 . . ?
O1 C2 C7 115.6(2) . . ?
O1 C2 C3 124.8(2) . . ?
C7 C2 C3 119.5(2) . . ?
C4 C3 C2 119.5(2) . . ?
C4 C3 H3 120.3 . . ?
C2 C3 H3 120.3 . . ?
C3 C4 C5 121.5(2) . . ?
C3 C4 H4 119.2 . . ?
C5 C4 H4 119.2 . . ?
C4 C5 C6 117.9(2) . . ?
C4 C5 S1 118.36(17) . . ?
C6 C5 S1 123.73(17) . . ?
C7 C6 C5 121.1(2) . . ?
C7 C6 H6 119.5 . . ?
C5 C6 H6 119.5 . . ?
C6 C7 C2 120.5(2) . . ?
C6 C7 H7 119.7 . . ?
C2 C7 H7 119.7 . . ?
C12 C8 C9 120.69(19) . . ?
C12 C8 S1 121.79(16) . . ?
C9 C8 S1 117.33(17) . . ?
N2 C9 N1 109.1(2) . . ?
N2 C9 C8 126.3(2) . . ?
N1 C9 C8 124.6(2) . . ?
N2 C10 C11 103.20(19) . . ?
N2 C10 H10A 111.1 . . ?
C11 C10 H10A 111.1 . . ?
N2 C10 H10B 111.1 . . ?
C11 C10 H10B 111.1 . . ?
H10A C10 H10B 109.1 . . ?
N1 C11 C10 102.5(2) . . ?
N1 C11 H11A 111.3 . . ?
C10 C11 H11A 111.3 . . ?
N1 C11 H11B 111.3 . . ?
C10 C11 H11B 111.3 . . ?
H11A C11 H11B 109.2 . . ?
O2 C12 C8 123.6(2) . . ?
O2 C12 C13 117.0(2) . . ?
C8 C12 C13 119.33(19) . . ?
C14 C13 C18 118.1(2) . . ?
C14 C13 C12 120.0(2) . . ?
C18 C13 C12 121.9(2) . . ?
C13 C14 C15 121.3(2) . . ?
C13 C14 H14 119.3 . . ?
C15 C14 H14 119.3 . . ?
C16 C15 C14 120.0(2) . . ?
C16 C15 H15 120.0 . . ?
C14 C15 H15 120.0 . . ?
C15 C16 C17 119.8(2) . . ?
C15 C16 H16 120.1 . . ?
C17 C16 H16 120.1 . . ?
C16 C17 C18 120.1(2) . . ?
C16 C17 H17 120.0 . . ?
C18 C17 H17 120.0 . . ?
C17 C18 C13 120.7(2) . . ?
C17 C18 H18 119.6 . . ?
C13 C18 H18 119.6 . . ?

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
_geom_torsion_site_symmetry_1
_geom_torsion_site_symmetry_2
_geom_torsion_site_symmetry_3
_geom_torsion_site_symmetry_4
_geom_torsion_publ_flag
C1 O1 C2 C7 174.9(2) . . . . ?
C1 O1 C2 C3 -5.1(3) . . . . ?
O1 C2 C3 C4 179.1(2) . . . . ?
C7 C2 C3 C4 -0.9(3) . . . . ?
C2 C3 C4 C5 -0.3(3) . . . . ?
C3 C4 C5 C6 1.4(3) . . . . ?
C3 C4 C5 S1 -178.29(17) . . . . ?
C8 S1 C5 C4 169.52(17) . . . . ?
C8 S1 C5 C6 -10.1(2) . . . . ?
C4 C5 C6 C7 -1.3(3) . . . . ?
S1 C5 C6 C7 178.36(17) . . . . ?
C5 C6 C7 C2 0.1(4) . . . . ?
O1 C2 C7 C6 -179.0(2) . . . . ?
C3 C2 C7 C6 1.0(4) . . . . ?
C5 S1 C8 C12 107.30(19) . . . . ?
C5 S1 C8 C9 -77.62(18) . . . . ?
C10 N2 C9 N1 2.4(3) . . . . ?
C10 N2 C9 C8 -176.5(2) . . . . ?
C11 N1 C9 N2 6.5(3) . . . . ?
C11 N1 C9 C8 -174.6(2) . . . . ?
C12 C8 C9 N2 -0.5(3) . . . . ?
S1 C8 C9 N2 -175.64(18) . . . . ?
C12 C8 C9 N1 -179.3(2) . . . . ?
S1 C8 C9 N1 5.6(3) . . . . ?
C9 N2 C10 C11 -9.7(3) . . . . ?
C9 N1 C11 C10 -12.1(3) . . . . ?
N2 C10 C11 N1 12.3(3) . . . . ?
C9 C8 C12 O2 -3.7(3) . . . . ?
S1 C8 C12 O2 171.19(18) . . . . ?
C9 C8 C12 C13 177.3(2) . . . . ?
S1 C8 C12 C13 -7.8(3) . . . . ?
O2 C12 C13 C14 -64.5(3) . . . . ?
C8 C12 C13 C14 114.5(2) . . . . ?
O2 C12 C13 C18 113.4(3) . . . . ?
C8 C12 C13 C18 -67.6(3) . . . . ?
C18 C13 C14 C15 0.5(4) . . . . ?
C12 C13 C14 C15 178.5(2) . . . . ?
C13 C14 C15 C16 -0.6(4) . . . . ?
C14 C15 C16 C17 -0.2(4) . . . . ?
C15 C16 C17 C18 1.1(4) . . . . ?
C16 C17 C18 C13 -1.2(4) . . . . ?
C14 C13 C18 C17 0.4(4) . . . . ?
C12 C13 C18 C17 -177.6(2) . . . . ?

_diffrn_measured_fraction_theta_max 0.955
_diffrn_reflns_theta_full        28.19
_diffrn_measured_fraction_theta_full 0.955
_refine_diff_density_max         0.178
_refine_diff_density_min         -0.268
_refine_diff_density_rms         0.045
_database_code_depnum_ccdc_archive 'CCDC 949284'
