Enols and thioenols of substituted cyanomonothiocarbonylmalonamides: structures, enolization vs. thioenolization, equilibria and conformations
Basheer, Ahmad; Rappoport, Zvi; Organic & Biomolecular Chemistry 6 (2008) 1071–1082; doi:10.1039/b717556f

data_7150851
_publ_section_title
;
 Enols and thioenols of substituted cyanomonothiocarbonylmalonamides:
 structures, enolization vs. thioenolization, equilibria and
 conformations
;
_journal_issue                   6
_journal_name_full               'Organic &amp;  Biomolecular Chemistry'
_journal_page_first              1071
_journal_page_last               1082
_journal_paper_doi               10.1039/b717556f
_journal_volume                  6
_journal_year                    2008
_chemical_formula_moiety         'C20 H21 N3 O S'
_chemical_formula_sum            'C20 H21 N3 O S'
_chemical_formula_weight         351.46
_space_group_IT_number           9
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 116.339(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.321(2)
_cell_length_b                   18.376(3)
_cell_length_c                   9.3465(16)
_cell_measurement_temperature    295(1)
_cell_volume                     1896.5(5)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      295(1)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.1157
_diffrn_reflns_av_sigmaI/netI    0.1722
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            10385
_diffrn_reflns_theta_full        26.99
_diffrn_reflns_theta_max         26.99
_diffrn_reflns_theta_min         2.15
_exptl_absorpt_coefficient_mu    0.183
_exptl_absorpt_correction_T_max  0.9855
_exptl_absorpt_correction_T_min  0.9679
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.231
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             744
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.309
_refine_diff_density_min         -0.184
_refine_diff_density_rms         0.044
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.05(13)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.940
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     234
_refine_ls_number_reflns         4082
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      0.940
_refine_ls_R_factor_all          0.1637
_refine_ls_R_factor_gt           0.0815
_refine_ls_shift/su_max          0.013
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0200P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0973
_refine_ls_wR_factor_ref         0.1213
_reflns_number_gt                2061
_reflns_number_total             4082
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b717556f.txt
_cod_data_source_block           12v
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_cell_volume        1896.5(6)
_cod_original_sg_symbol_H-M      Cc
_cod_database_code               7150851