Alice E. Lurain; Patrick J. Carroll; Patrick J. Walsh; Journal of Organic Chemistry 70 (2005) 1262–1268; doi:10.1021/jo048345d

data_4020077
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              1262
_journal_page_last               1268
_journal_paper_doi               10.1021/jo048345d
_journal_volume                  70
_journal_year                    2005
_chemical_formula_sum            'C14 H17 F3 O2'
_chemical_formula_weight         274.28
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      19
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   5.8916(4)
_cell_length_b                   8.8285(5)
_cell_length_c                   26.7310(18)
_cell_measurement_temperature    143(1)
_cell_volume                     1390.39(15)
_diffrn_ambient_temperature      143(1)
_diffrn_measurement_device       'CCD Area Detector'
_diffrn_measurement_device_type  'Rigaku Mercury'
_diffrn_measurement_method       'phi and omega rotations'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0254
_diffrn_reflns_av_sigmaI/netI    0.0296
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            7957
_diffrn_reflns_theta_max         25.35
_diffrn_reflns_theta_min         2.76
_exptl_absorpt_coefficient_mu    0.113
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.7825
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_density_diffrn    1.310
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             576
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.04
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.3(11)
_refine_ls_extinction_coef       ?
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.068
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     176
_refine_ls_number_reflns         2482
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.068
_refine_ls_R_factor_all          0.0505
_refine_ls_R_factor_gt           0.0475
_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^)+(0.0694P)^2^+0.5171P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1255
_refine_ls_wR_factor_ref         0.1293
_reflns_number_gt                2333
_reflns_number_total             2482
_reflns_threshold_expression     >2sigma(I)
_cod_database_code               4020077