Multicomponent solids of uracil derivatives ‒ orotic and isoorotic acids
Kumar, Vineet; Goswami, Pramod Kumar; Thaimattam, Ram; Ramanan, Arunachalam; CrystEngComm 20 (2018) 3490–; doi:10.1039/C8CE00486B

data_7230614
_publ_section_title
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 Multicomponent solids of uracil derivatives -- orotic and isoorotic acids
;
_journal_issue                   25
_journal_name_full               CrystEngComm
_journal_page_first              3490
_journal_paper_doi               10.1039/C8CE00486B
_journal_volume                  20
_journal_year                    2018
_chemical_formula_moiety         'C5 H3 N2 O4, C5 H7 N2'
_chemical_formula_sum            'C10 H10 N4 O4'
_chemical_formula_weight         250.22
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2017-10-08
_audit_creation_method
;
Olex2 1.2-ac3
(compiled 2016.03.30 svn.r3266 for Rigaku Oxford Diffraction, GUI svn.r5168)
;
_audit_update_record
;
2018-03-25 deposited with the CCDC.
2018-05-08 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 99.377(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.194(2)
_cell_length_b                   5.1402(10)
_cell_length_c                   17.488(3)
_cell_measurement_reflns_used    571
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      19.16
_cell_measurement_theta_min      2.67
_cell_volume                     1081.5(3)
_computing_cell_refinement       'SAINT v6.45A (Bruker, 2003)'
_computing_data_reduction        'SAINT v6.45A (Bruker, 2003)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_diffrn_ambient_temperature      298
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.983
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0900
_diffrn_reflns_av_unetI/netI     0.1112
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.983
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            12101
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.983
_diffrn_reflns_theta_full        26.000
_diffrn_reflns_theta_max         28.273
_diffrn_reflns_theta_min         1.693
_exptl_absorpt_coefficient_mu    0.122
_exptl_absorpt_correction_T_max  0.980
_exptl_absorpt_correction_T_min  0.795097
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS v.2.10 (Bruker,2003) was used for absorption correction.
R(int) was 0.0451 before and 0.0290 after correction.
The Ratio of minimum to maximum transmission is 0.7951.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.537
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             520
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.224
_refine_diff_density_min         -0.228
_refine_diff_density_rms         0.052
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.010
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     163
_refine_ls_number_reflns         2674
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.010
_refine_ls_R_factor_all          0.1667
_refine_ls_R_factor_gt           0.0806
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0496P)^2^+0.7910P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1530
_refine_ls_wR_factor_ref         0.1825
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1369
_reflns_number_total             2674
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8ce00486b2.cif
_cod_data_source_block           vj220am
_cod_depositor_comments
'Adding full bibliography for 7230605--7230614.cif.'
_cod_original_cell_volume        1081.5(4)
_cod_database_code               7230614
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All N(H) groups, All N(H,H) groups
2.a Aromatic/amide H refined with riding coordinates:
 N5(H5), N7(H7), C19(H19), N4(H4), C13(H13), C18(H18), C17(H17), C12(H12)
2.b X=CH2 refined with riding coordinates:
 N1(H1A,H1B)
;
_shelx_res_checksum              53988
_shelx_shelxl_version_number     2017/1
_olex2_submission_special_instructions 'No special instructions were received'