Vanishing Polymorphism of (2E)-2-Cyano-3-[4-(Diethylamino)phenyl]prop-2-enethioamide: X-ray Structural Study and Polymorph Prediction
Timofeeva, Tatiana V.; Kinnibrugh, Tiffany; Borbulevych, Oleg Ya.; Averkiev, Boris B.; Nesterov, Vladimir N.; Sloan, Andreanne; Antipin, Mikhail Yu.; Crystal Growth & Design 4 (2004) 1265–; doi:10.1021/cg0497647

data_4505364
_publ_section_title
;
 Vanishing Polymorphism of
 (2E)-2-Cyano-3-[4-(Diethylamino)phenyl]prop-2-enethioamide:&#x2009; X-ray
 Structural Study and Polymorph Prediction
;
_journal_issue                   6
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              1265
_journal_paper_doi               10.1021/cg0497647
_journal_volume                  4
_journal_year                    2004
_chemical_formula_moiety         'C14 H17 N3 S'
_chemical_formula_sum            'C14 H17 N3 S'
_chemical_formula_weight         259.37
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 93.97(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.1670(18)
_cell_length_b                   13.023(3)
_cell_length_c                   12.172(2)
_cell_measurement_reflns_used    24
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      12
_cell_measurement_theta_min      11
_cell_volume                     1449.6(5)
_computing_cell_refinement       'Enraf-Nonius CAD4'
_computing_data_collection       'Enraf-Nonius CAD4 (Enraf-Nonuis, 1989)'
_computing_data_reduction        'Siemens SHELXTL (Sheldrick, 1994)'
_computing_molecular_graphics    'Siemens SHELXTL'
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      295(2)
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.985
_diffrn_measurement_device_type  'Enraf-Nonius CAD4'
_diffrn_measurement_method       \q/2\q
_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  0.0272
_diffrn_reflns_av_sigmaI/netI    0.0197
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            3310
_diffrn_reflns_theta_full        26.97
_diffrn_reflns_theta_max         26.97
_diffrn_reflns_theta_min         2.29
_diffrn_standards_decay_%        3
_diffrn_standards_interval_count 97
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.210
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            darkred
_exptl_crystal_density_diffrn    1.188
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             552
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.211
_refine_diff_density_min         -0.169
_refine_diff_density_rms         0.038
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.028
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     165
_refine_ls_number_reflns         3117
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.028
_refine_ls_R_factor_all          0.0611
_refine_ls_R_factor_gt           0.0389
_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^)+(0.0700P)^2^+0.1900P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1060
_refine_ls_wR_factor_ref         0.1196
_reflns_number_gt                2319
_reflns_number_total             3117
_reflns_threshold_expression     I>\2(I)
_cod_data_source_file            cg0497647si20040920_042539.cif
_cod_data_source_block           p21n
_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_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               4505364