4-Chloro-6-methoxypyrimidin-2-amine
Thanigaimani, Kaliyaperumal; Khalib, Nuridayanti Che; Arshad, Suhana; Razak, Ibrahim Abdul; Acta Crystallographica Section E 68 (2012) o3318–; doi:10.1107/S160053681204528X

data_2236930
_publ_section_title
;
 4-Chloro-6-methoxypyrimidin-2-amine
;
_journal_coeditor_code           IS5214
_journal_issue                   12
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o3318
_journal_paper_doi               10.1107/S160053681204528X
_journal_volume                  68
_journal_year                    2012
_chemical_formula_iupac          'C5 H6 Cl N3 O'
_chemical_formula_moiety         'C5 H6 Cl N3 O'
_chemical_formula_sum            'C5 H6 Cl N3 O'
_chemical_formula_weight         159.58
_chemical_name_systematic
;
4-Chloro-6-methoxypyrimidin-2-amine
;
_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                 94.5500(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   3.7683(2)
_cell_length_b                   16.4455(2)
_cell_length_c                   10.7867(2)
_cell_measurement_reflns_used    6060
_cell_measurement_temperature    100.0(10)
_cell_measurement_theta_max      32.63
_cell_measurement_theta_min      3.79
_cell_volume                     666.36(4)
_computing_cell_refinement       'SAINT (Bruker, 2009)'
_computing_data_collection       'APEX2 (Bruker, 2009)'
_computing_data_reduction        'SAINT (Bruker, 2009)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material
'SHELXTL (Sheldrick, 2008) and PLATON (Spek, 2009)'
_computing_structure_refinement  'SHELXTL (Sheldrick, 2008)'
_computing_structure_solution    'SHELXTL (Sheldrick, 2008)'
_diffrn_ambient_temperature      100.0(10)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type
;
Bruker SMART APEXII CCD area-detector
;
_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  0.0163
_diffrn_reflns_av_sigmaI/netI    0.0148
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            9524
_diffrn_reflns_theta_full        32.63
_diffrn_reflns_theta_max         32.63
_diffrn_reflns_theta_min         2.26
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.499
_exptl_absorpt_correction_T_max  0.9038
_exptl_absorpt_correction_T_min  0.7911
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(<i>SADABS</i>; Bruker, 2009)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.591
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             328
_exptl_crystal_size_max          0.49
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.21
_refine_diff_density_max         0.670
_refine_diff_density_min         -0.263
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.060
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     100
_refine_ls_number_reflns         2436
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.060
_refine_ls_R_factor_all          0.0286
_refine_ls_R_factor_gt           0.0265
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0306P)^2^+0.3355P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0689
_refine_ls_wR_factor_ref         0.0702
_reflns_number_gt                2266
_reflns_number_total             2436
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            is5214.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2236930
_cod_database_fobs_code          2236930