Weak C–H···π and C–H···F Interactions Form Higher-Order Supramolecular Structures in Cytosine and Uracil (Z)-4′-Benzamido-2′-butenyl Derivatives
Cetina, Mario; Benci, Krešimir; Wittine, Karlo; Mintas, Mladen; Crystal Growth & Design 12 (2012) 5262–; doi:10.1021/cg300774d

data_4506739
_publ_section_title
;
 Weak C--H&#x00B7;&#x00B7;&#x00B7;\p and C--H&#x00B7;&#x00B7;&#x00B7;F
 Interactions Form Higher-Order Supramolecular Structures in Cytosine and
 Uracil (Z)-4&#x2032;-Benzamido-2&#x2032;-butenyl Derivatives
;
_journal_issue                   11
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              5262
_journal_paper_doi               10.1021/cg300774d
_journal_volume                  12
_journal_year                    2012
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C16 H17 N3 O3'
_chemical_formula_sum            'C16 H17 N3 O3'
_chemical_formula_weight         299.33
_chemical_melting_point          403
_chemical_name_systematic
;
(Z)-1-(4'-benzamide-2'-butenyl)thymine
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2012-02-09T15:34:24-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 100.754(10)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   11.7837(13)
_cell_length_b                   10.9280(8)
_cell_length_c                   23.738(2)
_cell_measurement_reflns_used    3094
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      32.5223
_cell_measurement_theta_min      4.1935
_cell_volume                     3003.1(5)
_computing_cell_refinement       'CrysAlisPro, Oxford Diffraction Ltd., 2009'
_computing_data_collection       'CrysAlisPro, Oxford Diffraction Ltd., 2009'
_computing_data_reduction        'CrysAlisPro, Oxford Diffraction Ltd., 2009'
_computing_molecular_graphics    'MERCURY (Macrae et al., 2006)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      295(2)
_diffrn_detector_area_resol_mean 16.3426
_diffrn_measured_fraction_theta_full 0.976
_diffrn_measured_fraction_theta_max 0.976
_diffrn_measurement_device_type  'Xcalibur, Sapphire3'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0526
_diffrn_reflns_av_unetI/netI     0.0779
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            11255
_diffrn_reflns_theta_full        25
_diffrn_reflns_theta_max         25
_diffrn_reflns_theta_min         4.2
_exptl_absorpt_coefficient_mu    0.093
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.92039
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
        CrysAlisPro, Oxford Diffraction Ltd.,
        Version 1.171.33.41 (release 06-05-2009 CrysAlis171 .NET)
        (compiled May  6 2009,17:20:42)
        Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.324
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       irregular
_exptl_crystal_F_000             1264
_exptl_crystal_size_max          0.31
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.23
_refine_diff_density_max         0.547
_refine_diff_density_min         -0.279
_refine_diff_density_rms         0.044
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.999
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     414
_refine_ls_number_reflns         5141
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.001
_refine_ls_R_factor_all          0.1295
_refine_ls_R_factor_gt           0.0606
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0669P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1478
_refine_ls_wR_factor_ref         0.1601
_reflns_number_gt                2232
_reflns_number_total             5141
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            cg300774d_si_002.cif
_cod_data_source_block           kb83xl4
_cod_depositor_comments
;
The following automatic conversions were performed:

'_atom_sites_solution_hydrogens' value 'geom&difmap' was changed to
'mixed'.

Automatic conversion script
Id: cif_fix_values 6452 2018-10-05 10:23:21Z andrius 
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4506739