Origin of chromic effects and crystal-to-crystal phase transition in the polymorphs of tyraminium violurate
Gryl, Marlena; Rydz, Agnieszka; Wojnarska, Joanna; Krawczuk, Anna; Kozieł, Marcin; Seidler, Tomasz; Ostrowska, Katarzyna; Marzec, Monika; Stadnicka, Katarzyna Marta; IUCrJ 6 (2019) –; doi:10.1107/S2052252518017037

data_1550521
_publ_section_title
;
 Origin of chromic effects and crystal-to-crystal phase transition in the
 polymorphs of tyraminium violurate
;
_journal_coeditor_code           YC5016
_journal_issue                   2
_journal_name_full               IUCrJ
_journal_page_first
;
;
_journal_paper_doi               10.1107/S2052252518017037
_journal_volume                  6
_journal_year                    2019
_chemical_formula_moiety         'C4 H2 N3 O4, C8 H12 N O'
_chemical_formula_sum            'C12 H14 N4 O5'
_chemical_formula_weight         294.27
_chemical_name_common            'tyraminium violurate'
_chemical_name_systematic
; 
'2-(4-hydroxyphenyl)ethanaminium [(2,4,6-trioxotetrahydropyrimidin-5(2H)-ylidene)amino]oxidanide'
;
_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   mixed
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 91.858(16)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.8711(13)
_cell_length_b                   15.119(2)
_cell_length_c                   11.884(2)
_cell_measurement_reflns_used    3199
_cell_measurement_temperature    130(1)
_cell_measurement_theta_max      28.2110
_cell_measurement_theta_min      3.2340
_cell_volume                     1233.9(4)
_computing_cell_refinement       'CrysAlisPro 1.171.38.34a (Rigaku OD, 2015)'
_computing_data_collection       'CrysAlisPro 1.171.38.34a (Rigaku OD, 2015)'
_computing_data_reduction        'CrysAlisPro 1.171.38.34a (Rigaku OD, 2015)'
_computing_molecular_graphics    'Ortep3 (Farrugia, 1997)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SIR-97 (ALTOMARE et al., 1999)'
_diffrn_ambient_temperature      130(1)
_diffrn_detector_area_resol_mean 10.3756
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.8824
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, Atlas'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1779
_diffrn_reflns_av_unetI/netI     0.2084
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.942
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            23617
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.942
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         29.8514
_diffrn_reflns_theta_min         2.9793
_diffrn_source                   'micro-focus sealed X-ray tube'
_exptl_absorpt_coefficient_mu    0.126
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.26019
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.38.34a (Rigaku Oxford Diffraction, 2015)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            purple
_exptl_crystal_density_diffrn    1.584
_exptl_crystal_description       plate
_exptl_crystal_F_000             616
_exptl_crystal_size_max          0.180
_exptl_crystal_size_mid          0.180
_exptl_crystal_size_min          0.100
_refine_diff_density_max         0.295
_refine_diff_density_min         -0.310
_refine_diff_density_rms         0.073
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.875
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     209
_refine_ls_number_reflns         4891
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.875
_refine_ls_R_factor_all          0.1865
_refine_ls_R_factor_gt           0.0673
_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^)+(0.0848P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1472
_refine_ls_wR_factor_ref         0.1774
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2109
_reflns_number_total             4891
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            yc5016.cif
_cod_data_source_block           II
_cod_database_code               1550521
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.978
_shelx_estimated_absorpt_t_max   0.988
_shelx_res_checksum              40331
_shelx_hkl_checksum              561