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_7230607
_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         'C13 H14 N2, C5 H4 N2 O4'
_chemical_formula_sum            'C18 H18 N4 O4'
_chemical_formula_weight         354.36
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_date             2017-12-05
_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                87.416(9)
_cell_angle_beta                 88.657(9)
_cell_angle_gamma                75.143(9)
_cell_formula_units_Z            2
_cell_length_a                   6.573(3)
_cell_length_b                   7.531(4)
_cell_length_c                   17.511(8)
_cell_measurement_reflns_used    650
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      20.82
_cell_measurement_theta_min      2.33
_cell_volume                     836.9(7)
_computing_cell_refinement       'SAINT v6.28A (Bruker, 2002)'
_computing_data_reduction        'SAINT v6.28A (Bruker, 2002)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_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  0.0635
_diffrn_reflns_av_unetI/netI     0.1215
_diffrn_reflns_Laue_measured_fraction_full 0.991
_diffrn_reflns_Laue_measured_fraction_max 0.991
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            6071
_diffrn_reflns_point_group_measured_fraction_full 0.991
_diffrn_reflns_point_group_measured_fraction_max 0.991
_diffrn_reflns_theta_full        24.998
_diffrn_reflns_theta_max         24.998
_diffrn_reflns_theta_min         2.329
_exptl_absorpt_coefficient_mu    0.102
_exptl_absorpt_correction_T_max  .89
_exptl_absorpt_correction_T_min  0.674067
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS v.2.03 (Bruker,200?) was used for absorption correction.
R(int) was 0.0471 before and 0.0360 after correction.
The Ratio of minimum to maximum transmission is 0.6741.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.406
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             374
_exptl_crystal_size_max          .36
_exptl_crystal_size_mid          .27
_exptl_crystal_size_min          .18
_refine_diff_density_max         0.210
_refine_diff_density_min         -0.219
_refine_diff_density_rms         0.045
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.917
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     235
_refine_ls_number_reflns         2913
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.917
_refine_ls_R_factor_all          0.1547
_refine_ls_R_factor_gt           0.0644
_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^)+(0.0533P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1229
_refine_ls_wR_factor_ref         0.1507
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1359
_reflns_number_total             2913
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8ce00486b2.cif
_cod_data_source_block           jdm53xm
_cod_depositor_comments
'Adding full bibliography for 7230605--7230614.cif.'
_cod_database_code               7230607
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups, All N(H) groups
 At 1.5 times of:
  All O(H) groups
2.a Riding coordinates:
 C11(H11A,H11B), O1(H1), N3(H3), N4(H4)
2.b Secondary CH2 refined with riding coordinates:
 C13(H13A,H13B), C12(H12A,H12B)
2.c Aromatic/amide H refined with riding coordinates:
 C17(H17), C18(H18), C15(H15), C16(H16), C9(H9), C10(H10), C6(H6), C7(H7),
 C3(H3A)
;
_shelx_res_checksum              71809
_shelx_shelxl_version_number     2017/1
_olex2_submission_special_instructions 'No special instructions were received'