2-(2-Methoxyphenoxy)pyrazine
Nasir, Shah Bakhtiar; Fairuz, Zainal Abidin; Abdullah, Zanariah; Ng, Seik Weng; Tiekink, Edward R. T.; Acta Crystallographica Section E 67 (2011) o3088–; doi:10.1107/S1600536811044321

data_2232329
_publ_section_title
;
 2-(2-Methoxyphenoxy)pyrazine
;
_journal_coeditor_code           HG5121
_journal_issue                   11
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o3088
_journal_paper_doi               10.1107/S1600536811044321
_journal_volume                  67
_journal_year                    2011
_chemical_formula_iupac          'C11 H10 N2 O2'
_chemical_formula_moiety         'C11 H10 N2 O2'
_chemical_formula_sum            'C11 H10 N2 O2'
_chemical_formula_weight         202.21
_chemical_name_common            2-(2-Methoxyphenoxy)pyrazine
_chemical_name_systematic
;
2-(2-Methoxyphenoxy)pyrazine
;
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 92.459(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.7497(10)
_cell_length_b                   5.8826(8)
_cell_length_c                   21.845(3)
_cell_measurement_reflns_used    1739
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.265
_cell_measurement_theta_min      2.753
_cell_volume                     995.0(2)
_computing_cell_refinement       'SAINT (Bruker, 2009)'
_computing_data_collection       'APEX2 (Bruker, 2009)'
_computing_data_reduction        'SAINT (Bruker, 2009)'
_computing_molecular_graphics
;
ORTEP-3 (Farrugia, 1997) and DIAMOND (Brandenburg, 2006)
;
_computing_publication_material  'publCIF (Westrip, 2010)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker SMART APEX'
_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  0.0414
_diffrn_reflns_av_sigmaI/netI    0.0351
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            7364
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.87
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.095
_exptl_absorpt_correction_T_max  0.8621
_exptl_absorpt_correction_T_min  0.7885
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.350
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             424
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.128
_refine_diff_density_min         -0.125
_refine_ls_extinction_coef       0.105(7)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL97 (Sheldrick, 2008)'
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     138
_refine_ls_number_reflns         1743
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0577
_refine_ls_R_factor_gt           0.0388
_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^)+(0.0510P)^2^+0.0981P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0953
_refine_ls_wR_factor_ref         0.1074
_reflns_number_gt                1262
_reflns_number_total             1743
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            hg5121.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2232329
_cod_database_fobs_code          2232329