Shigehisa Akine; Takanori Taniguchi; Wenkui Dong; Sayuri Masubuchi; Tatsuya Nabeshima; Journal of Organic Chemistry 70 (2005) 1704–1711; doi:10.1021/jo048030y

data_4020118
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              1704
_journal_page_last               1711
_journal_paper_doi               10.1021/jo048030y
_journal_volume                  70
_journal_year                    2005
_chemical_formula_moiety         C18H20N2O6
_chemical_formula_sum            'C18 H20 N2 O6'
_chemical_formula_weight         360.36
_chemical_melting_point          386
_chemical_name_common            H2(3-MeOsalamo)
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 98.065(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   4.694(4)
_cell_length_b                   14.616(6)
_cell_length_c                   12.356(4)
_cell_measurement_reflns_used    5122
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      25.00
_cell_measurement_theta_min      2.79
_cell_volume                     839.3(9)
_diffrn_ambient_temperature      120(1)
_diffrn_detector_area_resol_mean ?
_diffrn_measurement_device_type  'Rigaku Mercury CCD system'
_diffrn_measurement_method       CCD
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Rotating Anode'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.2079
_diffrn_reflns_av_sigmaI/netI    0.1960
_diffrn_reflns_limit_h_max       3
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            5122
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.79
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.108
_exptl_absorpt_correction_T_max  0.9893
_exptl_absorpt_correction_T_min  0.9380
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'CrystalClear (Rigaku Corp., 2000)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.426
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             380
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_ls_extinction_coef       ?
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.979
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     119
_refine_ls_number_reflns         1482
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.979
_refine_ls_R_factor_all          0.2089
_refine_ls_R_factor_gt           0.0816
_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^)+(0.0959P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1696
_refine_ls_wR_factor_ref         0.2330
_reflns_number_gt                614
_reflns_number_total             1482
_reflns_threshold_expression     >2sigma(I)
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4020118