6-Amino-3<i>H</i>-isobenzofuran-1-one
Wang, Junyan; Johnson, Dave M.; Tiekink, Edward R. T.; Acta Crystallographica Section E 63 (2007) o3634–o3634; doi:10.1107/S1600536807035763

data_2214697
_publ_section_title
;
 6-Amino-3<i>H</i>-isobenzofuran-1-one
;
_journal_coeditor_code           HB2488
_journal_issue                   8
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o3634
_journal_page_last               o3634
_journal_paper_doi               10.1107/S1600536807035763
_journal_volume                  63
_journal_year                    2007
_chemical_formula_iupac          'C8 H7 N O2'
_chemical_formula_moiety         'C8 H7 N O2'
_chemical_formula_sum            'C8 H7 N O2'
_chemical_formula_weight         149.15
_chemical_name_common            6-aminophthalide
_chemical_name_systematic
;
6-Amino-3H-isobenzofuran-1-one
;
_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           SHELXL97
_cell_angle_alpha                90
_cell_angle_beta                 99.242(7)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.396(2)
_cell_length_b                   5.990(2)
_cell_length_c                   14.012(4)
_cell_measurement_reflns_used    1986
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      30.2
_cell_measurement_theta_min      2.7
_cell_volume                     695.5(3)
_computing_cell_refinement       CrystalClear
_computing_data_collection       'CrystalClear (Rigaku/MSC, 2005)'
_computing_data_reduction        CrystalClear
_computing_molecular_graphics
'ORTEPII (Johnson, 1976) and DIAMOND (Brandenburg, 2006)'
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR92 (Altomare <i>et al.</i>,  1994)'
_diffrn_ambient_temperature      153(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Rigaku AFC12\k/SATURN724'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71070
_diffrn_reflns_av_R_equivalents  0.020
_diffrn_reflns_av_sigmaI/netI    0.018
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            4579
_diffrn_reflns_theta_full        26.5
_diffrn_reflns_theta_max         26.5
_diffrn_reflns_theta_min         2.7
_diffrn_standards_decay_%        <1
_diffrn_standards_interval_count 0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.104
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            'light yellow'
_exptl_crystal_density_diffrn    1.424
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             312
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.21
_refine_diff_density_min         -0.15
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.13
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     106
_refine_ls_number_reflns         1436
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.13
_refine_ls_R_factor_all          0.044
_refine_ls_R_factor_gt           0.042
_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^)+(0.0459P)^2^+0.2023P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.104
_refine_ls_wR_factor_ref         0.105
_reflns_number_gt                1370
_reflns_number_total             1436
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            hb2488.cif
_cod_data_source_block           I
_cod_original_cell_volume        695.5(4)
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2214697
_cod_database_fobs_code          2214697