5-Acetylgoniothalamin
Din, Laily B.; Sulaiman, Intan. S. C.; Yamin, Bohari M.; Acta Crystallographica Section E 62 (2006) o3316–o3318; doi:10.1107/S1600536806026651

data_2209731
_publ_section_title
;
 5-Acetylgoniothalamin
;
_journal_coeditor_code           AT2055
_journal_issue                   8
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o3316
_journal_page_last               o3318
_journal_paper_doi               10.1107/S1600536806026651
_journal_volume                  62
_journal_year                    2006
_chemical_formula_iupac          'C15 H14 O4'
_chemical_formula_moiety         'C15 H14 O4'
_chemical_formula_sum            'C15 H14 O4'
_chemical_formula_weight         258.26
_chemical_name_systematic
;
5-Acetylgoniothalamin
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   5.3798(12)
_cell_length_b                   13.659(3)
_cell_length_c                   18.153(4)
_cell_measurement_reflns_used    1992
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      26.0
_cell_measurement_theta_min      1.8
_cell_volume                     1333.9(5)
_computing_cell_refinement       'SAINT (Bruker, 2000)'
_computing_data_collection       'SMART (Bruker, 2000)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'SHELXTL (Sheldrick, 1997b)'
_computing_publication_material
'SHELXTL, PARST (Nardelli, 1995) and PLATON (Spek, 2003)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997a)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997a)'
_diffrn_ambient_temperature      298(2)
_diffrn_detector_area_resol_mean 83.66
_diffrn_measured_fraction_theta_full 0.99
_diffrn_measured_fraction_theta_max 0.99
_diffrn_measurement_device_type
;
Bruker SMART APEX CCD area-detector
;
_diffrn_measurement_method       \w
_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  0.0252
_diffrn_reflns_av_sigmaI/netI    0.0203
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            7462
_diffrn_reflns_theta_full        26.0
_diffrn_reflns_theta_max         26.0
_diffrn_reflns_theta_min         1.8
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.093
_exptl_absorpt_correction_T_max  0.983
_exptl_absorpt_correction_T_min  0.955
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2000)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.286
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             544
_exptl_crystal_size_max          0.49
_exptl_crystal_size_mid          0.33
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.12
_refine_diff_density_min         -0.12
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.12
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     182
_refine_ls_number_reflns         1551
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.12
_refine_ls_R_factor_all          0.064
_refine_ls_R_factor_gt           0.048
_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^)+(0.0402P)^2^+0.207P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.099
_refine_ls_wR_factor_ref         0.106
_reflns_number_gt                1234
_reflns_number_total             1551
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            at2055.cif
_cod_data_source_block           I
_cod_database_code               2209731
_cod_database_fobs_code          2209731