Optimizing optical anisotropy in low-dimensional structures <i>via</i> intralayer hydrogen bonding modulation and anionic substitution.
Arif, Muhammad; Liu, Xu; Jia, Hangwei; Yang, Zhihua; Hou, Xueling; Pan, Shilie; Materials horizons 12 (2025) 3538–3545; doi:10.1039/d4mh01790k

data_1574003
_publ_section_title
;
 Optimizing optical anisotropy in low-dimensional structures <i>via</i>
 intralayer hydrogen bonding modulation and anionic substitution.
;
_journal_issue                   10
_journal_name_full               'Materials horizons'
_journal_page_first              3538
_journal_page_last               3545
_journal_paper_doi               10.1039/d4mh01790k
_journal_volume                  12
_journal_year                    2025
_chemical_formula_moiety         'H2 O4 P, C4 H6 N3'
_chemical_formula_sum            'C4 H8 N3 O4 P'
_chemical_formula_weight         193.10
_chemical_name_systematic        'Aminopyrazine phosphate'
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     dual
_audit_creation_date             2024-09-07
_audit_creation_method
;
Olex2 1.5
(compiled 2023.08.24 svn.re1ec1418 for OlexSys, GUI svn.r6817)
;
_audit_update_record
;
2024-10-30 deposited with the CCDC.	2025-02-14 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   4.4906(4)
_cell_length_b                   8.7661(11)
_cell_length_c                   19.496(2)
_cell_measurement_reflns_used    1256
_cell_measurement_temperature    298
_cell_measurement_theta_max      27.16
_cell_measurement_theta_min      3.13
_cell_volume                     767.46(14)
_computing_cell_refinement       'SAINT V8.40B (?, 2016)'
_computing_data_reduction        'SAINT V8.40B (?, 2016)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      298
_diffrn_measured_fraction_theta_full 0.977
_diffrn_measured_fraction_theta_max 0.978
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0834
_diffrn_reflns_av_unetI/netI     0.0819
_diffrn_reflns_Laue_measured_fraction_full 0.977
_diffrn_reflns_Laue_measured_fraction_max 0.978
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            5621
_diffrn_reflns_point_group_measured_fraction_full 0.981
_diffrn_reflns_point_group_measured_fraction_max 0.982
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.501
_diffrn_reflns_theta_min         3.125
_diffrn_source_current           1.4
_diffrn_source_power             0.07
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.339
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.5826
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.671
_exptl_crystal_description       block
_exptl_crystal_F_000             400
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.194
_exptl_crystal_size_min          0.187
_refine_diff_density_max         0.254
_refine_diff_density_min         -0.316
_refine_diff_density_rms         0.071
_refine_ls_abs_structure_details
;
 Flack x determined using 533 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.11(15)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.054
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     111
_refine_ls_number_reflns         1727
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.054
_refine_ls_R_factor_all          0.0531
_refine_ls_R_factor_gt           0.0473
_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^)+(0.0447P)^2^+0.1062P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1061
_refine_ls_wR_factor_ref         0.1133
_reflns_Friedel_coverage         0.659
_reflns_Friedel_fraction_full    0.989
_reflns_Friedel_fraction_max     0.988
_reflns_number_gt                1552
_reflns_number_total             1727
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4mh01790k2.cif
_cod_data_source_block           yyy
_cod_depositor_comments
'Adding full bibliography for 1574003--1574009.cif.'
_cod_original_cell_volume        767.45(14)
_cod_database_code               1574003
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.939
_shelx_estimated_absorpt_t_min   0.923
_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. Restrained distances
 H3b-O3
 0.95 with sigma of 0.01
 O4-H4a
 0.95 with sigma of 0.01
3.a Riding coordinates:
 N1(H1a,H1b), N3(H3), C2(H2), C3(H3a), C4(H4), O3(H3b), O4(H4a)
;
_shelx_res_checksum              10831
_olex2_submission_special_instructions 'No special instructions were received'