An Experimental and Computational Approach to Understanding the Reactions of Acyl Nitroso Compounds in [4 + 2] Cycloadditions.
Chaiyaveij, Duangduan; Batsanov, Andrei S.; Fox, Mark A.; Marder, Todd B.; Whiting, Andrew; The Journal of organic chemistry 80 (2015) 9518–9534; doi:10.1021/acs.joc.5b01470

data_4036302
_publ_section_title
;
 An Experimental and Computational Approach to Understanding the Reactions
 of Acyl Nitroso Compounds in [4 + 2] Cycloadditions.
;
_journal_issue                   19
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              9518
_journal_page_last               9534
_journal_paper_doi               10.1021/acs.joc.5b01470
_journal_volume                  80
_journal_year                    2015
_chemical_absolute_configuration syn
_chemical_formula_moiety         'C15 H18 N2 O2'
_chemical_formula_sum            'C15 H18 N2 O2'
_chemical_formula_weight         258.31
_chemical_name_systematic
;
N-((R)-1-Phenylethyl)-2-oxa-3-azabicyclo[2.2.2]oct-5-ene-3-carboxamide 
;
_space_group_crystal_system      tetragonal
_space_group_IT_number           92
_space_group_name_Hall           'P 4abw 2nw'
_space_group_name_H-M_alt        'P 41 21 2'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2012-08-03
_audit_creation_method
;
Olex2 1.2-alpha (compiled 2012.07.25 svn.r2431, GUI svn.r4294)
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            16
_cell_length_a                   10.2998(9)
_cell_length_b                   10.2998(9)
_cell_length_c                   51.732(3)
_cell_measurement_reflns_used    9665
_cell_measurement_temperature    120
_cell_measurement_theta_max      28.17
_cell_measurement_theta_min      2.30
_cell_volume                     5488.0(7)
_computing_cell_refinement       'SAINT v7.46A (Bruker, 2008)'
_computing_data_collection       'SMART v5.630 (Bruker, 2003)'
_computing_data_reduction        'SAINT v7.46A (Bruker, 2008)'
_computing_molecular_graphics
;
O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann,
OLEX2: a complete structure solution, refinement and analysis program.
J. Appl. Cryst. (2009). 42, 339-341.
;
_computing_publication_material
;
O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann,
OLEX2: a complete structure solution, refinement and analysis program.
J. Appl. Cryst. (2009). 42, 339-341.
;
_computing_structure_refinement
;
XL, G.M. Sheldrick, Acta Cryst. (2008). A64, 112-122
;
_computing_structure_solution
;
XS, G.M. Sheldrick, Acta Cryst. (2008). A64, 112-122
;
_diffrn_ambient_temperature      120
_diffrn_detector_area_resol_mean 5.6
_diffrn_detector_type            'Bruker SMART CCD 6000 area detector'
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device       'three-circle CCD diffractometer'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_radiation_xray_symbol    K-L~3~
_diffrn_reflns_av_R_equivalents  0.0416
_diffrn_reflns_av_unetI/netI     0.0175
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       68
_diffrn_reflns_limit_l_min       -69
_diffrn_reflns_number            85058
_diffrn_reflns_theta_full        28.49
_diffrn_reflns_theta_max         28.49
_diffrn_reflns_theta_min         1.57
_diffrn_source                   'sealed X-ray tube'
_diffrn_source_current           10.0
_diffrn_source_power             0.3
_diffrn_source_target            Mo
_diffrn_source_voltage           30.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.084
_exptl_absorpt_correction_T_max  0.8622
_exptl_absorpt_correction_T_min  0.7854
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2009/1 (Bruker,2010) was used for absorption correction.
wR2(int) was 0.0949 before and 0.0604 after correction.
The Ratio of minimum to maximum transmission is 0.9109.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.251
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       tablet
_exptl_crystal_F_000             2208
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.233
_refine_diff_density_min         -0.183
_refine_diff_density_rms         0.039
_refine_ls_abs_structure_details
'undeterminable, all \Df" set to 0, Friedel equivalents merged'
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     355
_refine_ls_number_reflns         4118
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.0482
_refine_ls_R_factor_gt           0.0402
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0494P)^2^+1.9361P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0980
_refine_ls_wR_factor_ref         0.1041
_reflns_Friedel_coverage         0.69
_reflns_number_gt                3606
_reflns_number_total             4118
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            jo5b01470_si_002.cif
_cod_data_source_block           3
_cod_database_code               4036302