TAAM: a reliable and user friendly tool for hydrogen-atom location using routine X-ray diffraction data
Jha, Kunal Kumar; Gruza, Barbara; Kumar, Prashant; Chodkiewicz, Michal Leszek; Dominiak, Paulina Maria; Acta Crystallographica Section B Structural Science, Crystal Engineering and Materials 76 (2020) –; doi:10.1107/S2052520620002917

data_2022074
_publ_section_title
;
 TAAM: a reliable and user friendly tool for hydrogen-atom location using
 routine X-ray diffraction data
;
_journal_issue                   3
_journal_name_full
'Acta Crystallographica Section B Structural Science, Crystal Engineering and Materials'
_journal_paper_doi               10.1107/S2052520620002917
_journal_volume                  76
_journal_year                    2020
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C4 H3 N3 O'
_chemical_formula_sum            'C4 H3 N3 O'
_chemical_formula_weight         109.09
_space_group_crystal_system      orthorhombic
_space_group_IT_number           33
_space_group_name_Hall           'P 2c -2n'
_space_group_name_H-M_alt        'P n a 21'
_symmetry_Int_Tables_number      33
_audit_creation_date             2019-09-24
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.584(3)
_cell_length_b                   9.699(2)
_cell_length_c                   3.674(2)
_cell_measurement_temperature    120
_cell_volume                     448.4(3)
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'olex2.refine (Bourhis et al., 2015)'
_diffrn_ambient_temperature      120
_diffrn_measured_fraction_theta_full 0.9807
_diffrn_measured_fraction_theta_max 0.9807
_diffrn_measurement_device_type  'Siemens P4'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0000
_diffrn_reflns_av_unetI/netI     0.0277
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       6
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            1528
_diffrn_reflns_theta_full        40.1081
_diffrn_reflns_theta_max         40.11
_diffrn_reflns_theta_min         2.65
_exptl_absorpt_coefficient_mu    0.124
_exptl_crystal_density_diffrn    1.6157
_exptl_crystal_F_000             224.0996
_refine_diff_density_max         0.2898
_refine_diff_density_min         -0.2204
_refine_diff_density_rms         0.0643
_refine_ls_d_res_high            0.5516
_refine_ls_d_res_low             7.6821
_refine_ls_goodness_of_fit_ref   1.0485
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_constraints    0
_refine_ls_number_parameters     100
_refine_ls_number_reflns         1528
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.0485
_refine_ls_R_factor_all          0.0301
_refine_ls_R_factor_gt           0.0265
_refine_ls_shift/su_max          0.0008
_refine_ls_shift/su_mean         0.0001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0230P)^2^+0.0915P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0622
_refine_ls_wR_factor_ref         0.0658
_reflns_Friedel_coverage         0.0
_reflns_limit_h_max              22
_reflns_limit_h_min              0
_reflns_limit_k_max              17
_reflns_limit_k_min              0
_reflns_limit_l_max              6
_reflns_limit_l_min              0
_reflns_number_gt                1424
_reflns_number_total             1528
_reflns_threshold_expression     I>=2u(I)
_cod_data_source_file            7_TAAM_ANIS_max.cif
_cod_data_source_block           7_TAAM_ANIS_max
_cod_original_cell_volume        448.41(30)
_cod_original_sg_symbol_Hall     ' P 2c -2n'
_cod_database_code               2022074
_olex2_refinement_description
;
;
_olex2_submission_special_instructions 'No special instructions were received'