4-Chloro-<i>N</i>-(pyrazin-2-yl)aniline
Wan Saffiee, Wan Ainna Mardhiah; Idris, Azila; Aiyub, Zaharah; Abdullah, Zanariah; Ng, Seik Weng; Acta Crystallographica Section E 65 (2009) o113–; doi:10.1107/S1600536808041172

data_2220649
_publ_section_title
;
 4-Chloro-<i>N</i>-(pyrazin-2-yl)aniline
;
_journal_coeditor_code           TK2340
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o113
_journal_paper_doi               10.1107/S1600536808041172
_journal_volume                  65
_journal_year                    2009
_chemical_formula_iupac          'C10 H8 Cl N3'
_chemical_formula_moiety         'C10 H8 Cl N3'
_chemical_formula_sum            'C10 H8 Cl N3'
_chemical_formula_weight         205.64
_chemical_name_systematic
;
4-Chloro-<i>N</i>-(pyrazin-2-yl)aniline
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 91.370(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.1257(3)
_cell_length_b                   3.79440(10)
_cell_length_c                   19.7242(5)
_cell_measurement_reflns_used    2160
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.1
_cell_measurement_theta_min      2.6
_cell_volume                     907.25(4)
_computing_cell_refinement       'SAINT (Bruker, 2007)'
_computing_data_collection       'APEX2  (Bruker, 2007)'
_computing_data_reduction        'SAINT (Bruker, 2007)'
_computing_molecular_graphics    'X-SEED (Barbour, 2001)'
_computing_publication_material  'publCIF (Westrip, 2009)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker SMART APEX diffractometer'
_diffrn_measurement_method       '\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  0.0334
_diffrn_reflns_av_sigmaI/netI    0.0314
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       4
_diffrn_reflns_limit_k_min       -4
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            7922
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.68
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.378
_exptl_absorpt_correction_T_max  0.9962
_exptl_absorpt_correction_T_min  0.9115
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            Yellow
_exptl_crystal_density_diffrn    1.506
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Plate
_exptl_crystal_F_000             424
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.01
_refine_diff_density_max         0.393
_refine_diff_density_min         -0.277
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.142
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     131
_refine_ls_number_reflns         2073
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.142
_refine_ls_R_factor_all          0.0546
_refine_ls_R_factor_gt           0.0374
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0761P)^2^+0.0551P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1049
_refine_ls_wR_factor_ref         0.1279
_reflns_number_gt                1633
_reflns_number_total             2073
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            tk2340.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from
2010-06-29.

'_exptl_absorpt_correction_type' value 'Multi-scan' changed
to 'multi-scan' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from
2010-06-29.

'_exptl_absorpt_correction_type' value 'Multi-scan'
changed to 'multi-scan' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2220649
_cod_database_fobs_code          2220649