Supramolecular networks in (9-fluoro-4<i>H</i>-chromeno[4,3-<i>c</i>]isoxazol-3-yl)methanol and its 9-chloro analogue at 100K
Rajalakshmi, P.; Srinivasan, N.; Krishnakumar, R. V.; Razak, Ibrahim Abdul; Rosli, Mohd Mustaqim; Acta Crystallographica Section C 68 (2012) o288–o293; doi:10.1107/S0108270112025620

data_2018571
_publ_section_title
;
 Supramolecular networks in
 (9-fluoro-4<i>H</i>-chromeno[4,3-<i>c</i>]isoxazol-3-yl)methanol and its
 9-chloro analogue at 100K
;
_journal_coeditor_code           KU3066
_journal_issue                   8
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o288
_journal_page_last               o293
_journal_paper_doi               10.1107/S0108270112025620
_journal_volume                  68
_journal_year                    2012
_chemical_formula_iupac          'C11 H8 F N O3'
_chemical_formula_moiety         'C11 H8 F N O3'
_chemical_formula_sum            'C11 H8 F N O3'
_chemical_formula_weight         221.18
_chemical_name_systematic
;
(9-Fluoro-4<i>H</i>-chromeno[4,3-<i>c</i>]isoxazol-3-yl)methanol
;
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   14.1516(2)
_cell_length_b                   7.00640(10)
_cell_length_c                   18.3134(2)
_cell_measurement_reflns_used    3017
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      0.998
_cell_measurement_theta_min      0.998
_cell_volume                     1815.81(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(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0399
_diffrn_reflns_av_sigmaI/netI    0.0299
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            18961
_diffrn_reflns_theta_full        31.50
_diffrn_reflns_theta_max         31.50
_diffrn_reflns_theta_min         2.22
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.132
_exptl_absorpt_correction_T_max  0.9909
_exptl_absorpt_correction_T_min  0.9549
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2009)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.618
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             912
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.535
_refine_diff_density_min         -0.238
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.053
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     149
_refine_ls_number_reflns         3017
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.053
_refine_ls_R_factor_all          0.0624
_refine_ls_R_factor_gt           0.0437
_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^)+(0.0673P)^2^+0.3939P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1109
_refine_ls_wR_factor_ref         0.1226
_reflns_number_gt                2279
_reflns_number_total             3017
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ku3066.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P b c a '
_cod_database_code               2018571