From a Single Molecule to Molecular Crystal Architectures: Structural and Energetic Studies of Selected Uracil Derivatives
Jarzembska, Katarzyna N.; Kubsik, Marcin; Kamiński, Radosław; Woźniak, Krzysztof; Dominiak, Paulina M.; Crystal Growth & Design 12 (2012) 2508–; doi:10.1021/cg300129z

data_4506048
_publ_section_title
;
 From a Single Molecule to Molecular Crystal Architectures: Structural and
 Energetic Studies of Selected Uracil Derivatives
;
_journal_issue                   5
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              2508
_journal_paper_doi               10.1021/cg300129z
_journal_volume                  12
_journal_year                    2012
_chemical_formula_moiety         'C4 H4 N2 O S'
_chemical_formula_sum            'C4 H4 N2 O S'
_chemical_formula_weight         128.15
_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'
_cell_angle_alpha                90.00
_cell_angle_beta                 91.289(9)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   4.2588(12)
_cell_length_b                   12.419(4)
_cell_length_c                   9.844(3)
_cell_measurement_temperature    100(1)
_cell_volume                     520.5(3)
_diffrn_ambient_temperature      100(1)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.977
_diffrn_measurement_device
'Agilent Technologies KM4CCD \k-axis diffractometer'
_diffrn_measurement_device_type  'Opal CCD detector'
_diffrn_measurement_method       \w-scans
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           Mo-K\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0629
_diffrn_reflns_av_sigmaI/netI    0.0585
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            10911
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         30.02
_diffrn_reflns_theta_min         2.64
_exptl_absorpt_coefficient_mu    0.501
_exptl_absorpt_correction_T_max  0.9610
_exptl_absorpt_correction_T_min  0.9377
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
 Absorption correction done by SORTAV
 Blessing, R. H.: (1995) Acta Cryst. A51, 33-38
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.635
_exptl_crystal_description       unspecified
_exptl_crystal_F_000             264
_exptl_crystal_size_max          0.13
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.08
_refine_diff_density_max         +0.31
_refine_diff_density_min         -0.21
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.156
_refine_ls_hydrogen_treatment    mixed
_refine_ls_number_constraints    0
_refine_ls_number_parameters     89
_refine_ls_number_reflns         952
_refine_ls_number_restraints     8
_refine_ls_R_factor_all          0.0280
_refine_ls_R_factor_gt           0.0280
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef F
_refine_ls_weighting_details
;
w=1/[\s^2^(Fo)]
;
_refine_ls_weighting_scheme      sigma
_refine_ls_wR_factor_gt          0.0277
_refine_ls_wR_factor_ref         0.0277
_reflns_number_gt                952
_reflns_number_total             1479
_reflns_threshold_expression     I>3\s(I)
_cod_data_source_file            cg300129z_si_006.cif
_cod_data_source_block           4tU
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4506048