A high-pressure single-crystal X-ray diffraction study of potassium guaninate hydrate, K<sup>+</sup>·C<sub>5</sub>H<sub>4</sub>N<sub>5</sub>O<sup>-</sup>·H<sub>2</sub>O.
Gaydamaka, Anna A.; Rashchenko, Sergey V.; Semerikova, Anna I.; Smirnova, Ekaterina S.; Ivanova, Anna G.; Arkhipov, Sergey G.; Zakharov, Boris A.; Bogdanov, Nikita E.; Boldyreva, Elena V.; Acta crystallographica Section B, Structural science, crystal engineering and materials 79 (2023) –; doi:10.1107/S2052520623008740

data_2312346
_publ_section_title
;
 A high-pressure single-crystal X-ray diffraction study of potassium
 guaninate hydrate,
 K<sup>+</sup>&#xb7;C<sub>5</sub>H<sub>4</sub>N<sub>5</sub>O<sup>-</sup>&#xb7;H<sub>2</sub>O.
;
_journal_issue                   6
_journal_name_full
'Acta crystallographica Section B, Structural science, crystal engineering and materials'
_journal_paper_doi               10.1107/S2052520623008740
_journal_volume                  79
_journal_year                    2023
_chemical_formula_moiety         'C10 H12 K2 N10 O4'
_chemical_formula_sum            'C10 H12 K2 N10 O4'
_chemical_formula_weight         414.50
_chemical_name_common
potassium{2-amino-6-oxo-1-hydro-purine-7(9)-ide/2-amino-6-oxo-7-hydro-purine-1(3)-ide}monohydrate
_chemical_name_systematic
potassium{2-amino-6-oxo-1-hydro-purine-7(9)-ide/2-amino-6-oxo-7-hydro-purine-1(3)-ide}monohydrate
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   direct
_audit_creation_method           SHELXL-2019/2
_cell_angle_alpha                90
_cell_angle_beta                 128.68(4)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   36.007(7)
_cell_length_b                   3.66703(16)
_cell_length_c                   28.389(11)
_cell_measurement_reflns_used    4822
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.9060
_cell_measurement_theta_min      1.4360
_cell_volume                     2926(2)
_computing_cell_refinement       'CrysAlisPro 1.171.42.49 (Rigaku OD, 2022)'
_computing_data_collection       'CrysAlisPro 1.171.42.49 (Rigaku OD, 2022)'
_computing_data_reduction        'CrysAlisPro 1.171.42.49 (Rigaku OD, 2022)'
_computing_molecular_graphics
'Mercury (Macrae et al., 2020), Vesta(Momma,2011)'
_computing_structure_refinement  'SHELXL-2019/2 (Sheldrick, 2019)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector                 'Hybrid Pixel Array Detector'
_diffrn_detector_area_resol_mean 10.0000
_diffrn_detector_type            'HyPix-Arc 150'
_diffrn_measured_fraction_theta_full 0.369
_diffrn_measured_fraction_theta_max 0.302
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'XtaLAB Synergy R, DW system, HyPix-Arc 150'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.2869
_diffrn_reflns_av_unetI/netI     0.0995
_diffrn_reflns_Laue_measured_fraction_full 0.369
_diffrn_reflns_Laue_measured_fraction_max 0.302
_diffrn_reflns_limit_h_max       36
_diffrn_reflns_limit_h_min       -35
_diffrn_reflns_limit_k_max       4
_diffrn_reflns_limit_k_min       -5
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            12302
_diffrn_reflns_point_group_measured_fraction_full 0.369
_diffrn_reflns_point_group_measured_fraction_max 0.302
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         29.492
_diffrn_reflns_theta_min         1.449
_diffrn_source                   'Rotating-anode X-ray tube'
_diffrn_source_type              'Rigaku (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.697
_exptl_absorpt_correction_T_max  0.481
_exptl_absorpt_correction_T_min  0.394
_exptl_absorpt_correction_type   gaussian
_exptl_absorpt_process_details   'Absorb-7 (Angel, 2013)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.882
_exptl_crystal_description       needle
_exptl_crystal_F_000             1696
_exptl_crystal_size_max          0.14
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.450
_refine_diff_density_min         -0.506
_refine_diff_density_rms         0.083
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.150
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     117
_refine_ls_number_reflns         1222
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.147
_refine_ls_R_factor_all          0.0944
_refine_ls_R_factor_gt           0.0695
_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^)+(0.1183P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1902
_refine_ls_wR_factor_ref         0.2064
_reflns_Friedel_coverage         0.000
_reflns_number_gt                885
_reflns_number_total             1222
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            xk5102sup1.cif
_cod_data_source_block           1.4GPa_lab_release
_cod_original_cell_volume        2926.1(19)
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               2312346
_shelx_shelxl_version_number     2019/2
_shelx_res_checksum              4885
_shelx_hkl_checksum              50805
_cod_database_fobs_code 2312346