Gary A. Molander; Elizabeth Pollina Cormier; Journal of Organic Chemistry 70 (2005) 2622–2626; doi:10.1021/jo047887s

data_4020093
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              2622
_journal_page_last               2626
_journal_paper_doi               10.1021/jo047887s
_journal_volume                  70
_journal_year                    2005
_chemical_formula_sum            'C18 H21 N O5'
_chemical_formula_weight         331.36
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_cell_angle_alpha                90.00
_cell_angle_beta                 95.258(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.7547(9)
_cell_length_b                   7.2224(9)
_cell_length_c                   34.039(4)
_cell_measurement_temperature    143(1)
_cell_volume                     1653.6(4)
_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  0.0396
_diffrn_reflns_av_sigmaI/netI    0.0354
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -40
_diffrn_reflns_number            8706
_diffrn_reflns_theta_max         25.05
_diffrn_reflns_theta_min         2.88
_exptl_absorpt_coefficient_mu    0.097
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.984
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_density_diffrn    1.331
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             704
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.005
_refine_ls_extinction_coef       ?
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.064
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     218
_refine_ls_number_reflns         2784
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.064
_refine_ls_R_factor_all          0.1106
_refine_ls_R_factor_gt           0.0796
_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^)+(0.0877P)^2^+3.9285P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2005
_refine_ls_wR_factor_ref         0.2234
_reflns_number_gt                2010
_reflns_number_total             2784
_reflns_threshold_expression     >2sigma(I)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4020093