Lewis Acid stabilization and Activation of Primary N-Nitrosamides
Chua, Zhijie; Rosadiuk, Kris; Perepichka, Inna; Bohle, Scott; RSC Adv.  (2017) –; doi:10.1039/C6RA24421A

data_7227414
_publ_section_title
;
 Lewis Acid stabilization and Activation of Primary N-Nitrosamides
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C6RA24421A
_journal_year                    2017
_chemical_formula_moiety         'C2 H4 N2 O3'
_chemical_formula_sum            'C2 H4 N2 O3'
_chemical_formula_weight         104.07
_space_group_crystal_system      monoclinic
_space_group_IT_number           11
_space_group_name_Hall           '-P 2yb'
_space_group_name_H-M_alt        'P 1 21/m 1'
_symmetry_space_group_name_Hall  '-P 2yb'
_symmetry_space_group_name_H-M   'P 1 21/m 1'
_atom_sites_solution_hydrogens   geom
_audit_block_doi                 10.5517/cc1jjwc9
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2016-12-19 deposited with the CCDC.
2017-01-09 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 99.205(3)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   4.8755(14)
_cell_length_b                   5.9345(18)
_cell_length_c                   7.808(2)
_cell_measurement_reflns_used    884
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.62
_cell_measurement_theta_min      2.64
_cell_volume                     223.00(11)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.953
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0248
_diffrn_reflns_av_unetI/netI     0.0228
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.953
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            2534
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.953
_diffrn_reflns_theta_full        25.000
_diffrn_reflns_theta_max         28.153
_diffrn_reflns_theta_min         2.643
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.145
_exptl_absorpt_correction_T_max  0.9856
_exptl_absorpt_correction_T_min  0.9178
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2008/1 (Bruker AXS)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.550
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             108
_exptl_crystal_size_max          0.600
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.100
_refine_diff_density_max         0.417
_refine_diff_density_min         -0.286
_refine_diff_density_rms         0.072
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.149
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     43
_refine_ls_number_reflns         569
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.149
_refine_ls_R_factor_all          0.0589
_refine_ls_R_factor_gt           0.0471
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0769P)^2^+0.0235P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1220
_refine_ls_wR_factor_ref         0.1301
_reflns_Friedel_coverage         0.000
_reflns_number_gt                468
_reflns_number_total             569
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c6ra24421a2.cif
_cod_data_source_block           1416401
_cod_original_cell_volume        223.01(11)
_cod_database_code               7227414
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.918
_shelx_estimated_absorpt_t_max   0.986
_shelx_res_checksum              62742