Partially reduced thiochromene based oxathiahelicenes: crystallographic, computational and Hirschfeld surface analyses
Kumar, Abhinav; Hüch, Volker; Ram, Vishnu Ji; CrystEngComm 15 (2013) 7019–; doi:10.1039/c3ce41078a

data_7210436
_publ_section_title
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 Partially reduced thiochromene based oxathiahelicenes: crystallographic,
 computational and Hirschfeld surface analyses
;
_journal_issue                   35
_journal_name_full               CrystEngComm
_journal_page_first              7019
_journal_paper_doi               10.1039/c3ce41078a
_journal_volume                  15
_journal_year                    2013
_chemical_formula_sum            'C18 H16 N2 O2 S'
_chemical_formula_weight         324.39
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                105.136(3)
_cell_angle_beta                 107.797(3)
_cell_angle_gamma                94.983(3)
_cell_formula_units_Z            2
_cell_length_a                   7.6912(5)
_cell_length_b                   9.0394(6)
_cell_length_c                   11.8022(8)
_cell_measurement_reflns_used    9258
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      34.13
_cell_measurement_theta_min      2.37
_cell_volume                     741.66(9)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      153(2)
_diffrn_measured_fraction_theta_full 0.955
_diffrn_measured_fraction_theta_max 0.955
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w 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  0.0265
_diffrn_reflns_av_sigmaI/netI    0.0284
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            23027
_diffrn_reflns_theta_full        34.79
_diffrn_reflns_theta_max         34.79
_diffrn_reflns_theta_min         1.90
_exptl_absorpt_coefficient_mu    0.230
_exptl_absorpt_correction_T_max  0.9632
_exptl_absorpt_correction_T_min  0.9265
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.453
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             340
_exptl_crystal_size_max          0.34
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.509
_refine_diff_density_min         -0.267
_refine_diff_density_rms         0.062
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.063
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     272
_refine_ls_number_reflns         6145
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.063
_refine_ls_R_factor_all          0.0467
_refine_ls_R_factor_gt           0.0364
_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/[\s^2^(Fo^2^)+(0.0607P)^2^+0.0878P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1006
_refine_ls_wR_factor_ref         0.1081
_reflns_number_gt                5061
_reflns_number_total             6145
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ce41078a.txt
_cod_data_source_block           sh3157
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7210436