Thiazole‒Carbonyl Interactions: A Case Study Using Phenylalanine Thiazole Cyclic Tripeptides
Mali, Sachitanand M.; Schneider, Tobias F.; Bandyopadhyay, Anupam; Jadhav, Sandip V.; Werz, Daniel B.; Gopi, Hosahudya N.; Crystal Growth & Design 12 (2012) 5643–; doi:10.1021/cg301147s

data_4506950
_publ_section_title
;
 Thiazole--Carbonyl Interactions: A Case Study Using Phenylalanine
 Thiazole Cyclic Tripeptides
;
_journal_issue                   11
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              5643
_journal_paper_doi               10.1021/cg301147s
_journal_volume                  12
_journal_year                    2012
_chemical_absolute_configuration syn
_chemical_compound_source        Synthesis
_chemical_formula_sum            'C40 H38 N6 O5 S3'
_chemical_formula_weight         778.96
_chemical_name_common            'Tricyclic Phethiazole peptide'
_chemical_name_systematic        'Tricyclic Phethiazole peptide'
_space_group_IT_number           145
_symmetry_cell_setting           trigonal
_symmetry_Int_Tables_number      145
_symmetry_space_group_name_Hall  'P 32'
_symmetry_space_group_name_H-M   'P 32'
_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                 90.00
_cell_angle_gamma                120.00
_cell_formula_units_Z            6
_cell_length_a                   12.4150(12)
_cell_length_b                   12.4150(12)
_cell_length_c                   44.499(5)
_cell_measurement_reflns_used    5847
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      21.04
_cell_measurement_theta_min      2.34
_cell_volume                     5939.8(11)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_pressure         101.325
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0586
_diffrn_reflns_av_sigmaI/netI    0.0680
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -59
_diffrn_reflns_number            39182
_diffrn_reflns_theta_full        28.28
_diffrn_reflns_theta_max         28.28
_diffrn_reflns_theta_min         1.37
_diffrn_source                   'fine-focus sealed tube'
_diffrn_source_type              'Graphite Monochromator'
_exptl_absorpt_coefficient_mu    0.236
_exptl_absorpt_correction_T_max  0.924
_exptl_absorpt_correction_T_min  0.891
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.243
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'Rectangular block'
_exptl_crystal_F_000             2223
_exptl_crystal_recrystallization_method 'Ethyl acetate'
_exptl_crystal_size_max          0.54
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.34
_refine_diff_density_max         0.316
_refine_diff_density_min         -0.436
_refine_diff_density_rms         0.101
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.08(7)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.081
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     977
_refine_ls_number_reflns         12443
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.081
_refine_ls_R_factor_all          0.0849
_refine_ls_R_factor_gt           0.0641
_refine_ls_shift/su_max          0.191
_refine_ls_shift/su_mean         0.014
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0749P)^2^+2.7249P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1495
_refine_ls_wR_factor_ref         0.1622
_reflns_number_gt                9881
_reflns_number_total             12443
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg301147s_si_002.cif
_cod_data_source_block           anuthzetoac
_cod_original_cell_volume        5939.8(10)
_cod_database_code               4506950