Crystallographic and spectroscopic characterization of 5-chloropyridine-2,3-diamine
Sulovari, Aron; Tanski, Joseph M.; Acta Crystallographica Section E 73 (2017) 1213–1217; doi:10.1107/S2056989017010489

data_2242122
_publ_section_title
;
 Crystallographic and spectroscopic characterization of
 5-chloropyridine-2,3-diamine
;
_journal_coeditor_code           FY2122
_journal_issue                   8
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              1213
_journal_page_last               1217
_journal_paper_doi               10.1107/S2056989017010489
_journal_volume                  73
_journal_year                    2017
_chemical_formula_iupac          'C5 H6 Cl N3'
_chemical_formula_moiety         'C5 H6 Cl N3'
_chemical_formula_sum            'C5 H6 Cl N3'
_chemical_formula_weight         143.58
_chemical_name_systematic
;
5-Chloropyridine-2,3-diamine
;
_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'
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   mixed
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   3.7565(8)
_cell_length_b                   8.7002(17)
_cell_length_c                   18.350(4)
_cell_measurement_reflns_used    4306
_cell_measurement_temperature    125.(2)
_cell_measurement_theta_max      29.7262
_cell_measurement_theta_min      2.5909
_cell_volume                     599.7(2)
_computing_cell_refinement
;
SAINT (Bruker, 2013)
;
_computing_data_collection
;
APEX2 (Bruker, 2013)
;
_computing_data_reduction
;
SAINT (Bruker, 2013)
;
_computing_molecular_graphics
;
SHELXTL2014 (Sheldrick, 2008)
;
_computing_publication_material
;
SHELXTL2014 (Sheldrick, 2008), <i>OLEX2</i> (Dolomanov <i>et al.</i>,
2009) and Mercury
(Macrae <i>et al.</i>,  2008)
;
_computing_structure_refinement
;
SHELXL2014 (Sheldrick, 2015<i>b</i>)
;
_computing_structure_solution
;
SHELXT2014 (Sheldrick, 2015<i>a</i>)
;
_diffrn_ambient_temperature      125(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker APEXII CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0874
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            14989
_diffrn_reflns_theta_full        30.51
_diffrn_reflns_theta_max         30.51
_diffrn_reflns_theta_min         2.22
_exptl_absorpt_coefficient_mu    0.532
_exptl_absorpt_correction_T_max  0.98
_exptl_absorpt_correction_T_min  0.75
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
(SADABS; Bruker, 2013)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.590
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             296
_exptl_crystal_size_max          0.100
_exptl_crystal_size_mid          0.050
_exptl_crystal_size_min          0.040
_refine_diff_density_max         0.370
_refine_diff_density_min         -0.383
_refine_ls_abs_structure_details
;
Flack <i>x</i> determined using 511 quotients
[(<i>I</i>^+^)-(<i>I</i>^-^)]/[(<i>I</i>^+^)+(<i>I</i>^-^)]
(Parsons <i>et al.</i>,  2013)
;
_refine_ls_abs_structure_Flack   0.01(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.067
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     94
_refine_ls_number_reflns         1845
_refine_ls_number_restraints     4
_refine_ls_restrained_S_all      1.068
_refine_ls_R_factor_all          0.0620
_refine_ls_R_factor_gt           0.0414
_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^)+(0.0308P)^2^+0.2158P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0774
_refine_ls_wR_factor_ref         0.0843
_reflns_number_gt                1477
_reflns_number_total             1845
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            fy2122sup1.cif
_cod_data_source_block           I
_cod_database_code               2242122
_cod_database_fobs_code          2242122
_shelx_hkl_checksum              79294
_shelx_res_checksum              90376