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_7230609
_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         'C12 H13 N2, C5 H3 N2 O4'
_chemical_formula_sum            'C17 H16 N4 O4'
_chemical_formula_weight         340.34
_space_group_crystal_system      orthorhombic
_space_group_IT_number           43
_space_group_name_Hall           'F 2 -2d'
_space_group_name_H-M_alt        'F d d 2'
_symmetry_space_group_name_Hall  'F 2 -2d'
_symmetry_space_group_name_H-M   'F d d 2'
_atom_sites_solution_hydrogens   mixed
_audit_creation_date             2017-10-09
_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                 90
_cell_angle_gamma                90
_cell_formula_units_Z            16
_cell_length_a                   29.689(7)
_cell_length_b                   44.694(11)
_cell_length_c                   4.8880(12)
_cell_measurement_reflns_used    3306
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      23.54
_cell_measurement_theta_min      2.28
_cell_volume                     6486(3)
_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
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0393
_diffrn_reflns_av_unetI/netI     0.0308
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       34
_diffrn_reflns_limit_h_min       -34
_diffrn_reflns_limit_k_max       52
_diffrn_reflns_limit_k_min       -52
_diffrn_reflns_limit_l_max       5
_diffrn_reflns_limit_l_min       -5
_diffrn_reflns_number            15489
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        24.999
_diffrn_reflns_theta_max         24.999
_diffrn_reflns_theta_min         2.281
_exptl_absorpt_coefficient_mu    0.102
_exptl_absorpt_correction_T_max  .93
_exptl_absorpt_correction_T_min  0.866664
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS v.2.03 (Bruker,200?) was used for absorption correction.
R(int) was 0.0428 before and 0.0292 after correction.
The Ratio of minimum to maximum transmission is 0.8667.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.394
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rod
_exptl_crystal_F_000             2848
_exptl_crystal_size_max          .37
_exptl_crystal_size_mid          .26
_exptl_crystal_size_min          .18
_refine_diff_density_max         0.158
_refine_diff_density_min         -0.274
_refine_diff_density_rms         0.044
_refine_ls_abs_structure_details
;
 Flack x determined using 940 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.6(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.200
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     234
_refine_ls_number_reflns         2847
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.199
_refine_ls_R_factor_all          0.0603
_refine_ls_R_factor_gt           0.0557
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0481P)^2^+5.9721P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1169
_refine_ls_wR_factor_ref         0.1190
_reflns_Friedel_coverage         0.774
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     1.000
_reflns_number_gt                2666
_reflns_number_total             2847
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8ce00486b2.cif
_cod_data_source_block           jmv62m
_cod_depositor_comments
'Adding full bibliography for 7230605--7230614.cif.'
_cod_database_code               7230609
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups, All N(H) groups
2.a Secondary CH2 refined with riding coordinates:
 C3(H3A,H3B), C17(H17A,H17B)
2.b Aromatic/amide H refined with riding coordinates:
 N5(H5A), C5(H5), C6(H6), C10(H10), C11(H11), C12(H12), C13(H13), C15(H15),
 C16(H16), N3(H3)
;
_shelx_res_checksum              77647
_shelx_shelxl_version_number     2017/1
_olex2_submission_special_instructions 'No special instructions were received'