Molecular crystals of 2-amino-1,3,4-thiadiazole with inorganic oxyacids – crystal engineering, phase transformations and NLO properties
Matulková, I.; Cihelka, J.; Pojarová, M.; Fejfarová, K.; Dušek, M.; Císařová, I.; Vaněk, P.; Kroupa, J.; Němec, P.; Tesařová, N.; Němec, I.; CrystEngComm 16 (2014) 1763–; doi:10.1039/c3ce42306a

data_7214032
_publ_section_title
;
 Molecular crystals of 2-amino-1,3,4-thiadiazole with inorganic oxyacids
 -- crystal engineering, phase transformations and NLO properties
;
_journal_issue                   9
_journal_name_full               CrystEngComm
_journal_page_first              1763
_journal_paper_doi               10.1039/c3ce42306a
_journal_volume                  16
_journal_year                    2014
_chemical_formula_moiety         'C2 H4 N3 S, C2 H3 N3 S, Cl O4'
_chemical_formula_sum            'C4 H7 Cl N6 O4 S2'
_chemical_formula_weight         302.73
_chemical_melting_point          389
_chemical_name_common
'2-amino-1,3,4-tihiadiazole 2-amino-1,3,4-thiadiazolium(1+) perchlorate'
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2010-04-28 # Formatted by publCIF
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.643(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   4.98170(10)
_cell_length_b                   20.0865(3)
_cell_length_c                   11.0569(2)
_cell_measurement_reflns_used    4172
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      62.5229
_cell_measurement_theta_min      3.9950
_cell_volume                     1106.34(3)
_computing_cell_refinement       'Crysalis RED (Oxford Diffraction, 2007)'
_computing_data_collection       'Crysalis CCD (Oxford Diffraction, 2007)'
_computing_data_reduction        'Crysalis RED (Oxford Diffraction, 2007)'
_computing_publication_material  'publCIF (MacMahon, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 10.3784
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.985
_diffrn_measurement_device_type  'Xcalibur, Atlas, Gemini ultra'
_diffrn_measurement_method
; Rotation method data acquisition using \w
scans
;
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_source         'Enhance Ultra (Cu) X-ray Source'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0139
_diffrn_reflns_av_sigmaI/netI    0.0128
_diffrn_reflns_limit_h_max       4
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            4310
_diffrn_reflns_theta_full        62.61
_diffrn_reflns_theta_max         62.61
_diffrn_reflns_theta_min         4.40
_exptl_absorpt_coefficient_mu    6.797
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.41952
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.55
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.817
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             616
_exptl_crystal_size_max          0.6124
_exptl_crystal_size_mid          0.1623
_exptl_crystal_size_min          0.1316
_refine_diff_density_max         0.720
_refine_diff_density_min         -0.373
_refine_diff_density_rms         0.064
_refine_ls_extinction_coef       0.0022(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.038
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     155
_refine_ls_number_reflns         1734
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.0301
_refine_ls_R_factor_gt           0.0292
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0466P)^2^+1.2065P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0784
_refine_ls_wR_factor_ref         0.0793
_reflns_number_gt                1686
_reflns_number_total             1734
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ce42306a.txt
_cod_data_source_block           2_athd_hclo4_2
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7214032