Cyclo-Pnicta-triazanes: Biradicaloids - or Zwitterions?
Hinz, Alexander; Schulz, Axel; Villinger, Alexander; Wolter, Jan-Martin; Journal of the American Chemical Society  (2015) 150316134803000–; doi:10.1021/jacs.5b00959

data_4123517
_publ_section_title
;
 Cyclo-Pnicta-triazanes: Biradicaloids - or Zwitterions?
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              150316134803000
_journal_paper_doi               10.1021/jacs.5b00959
_journal_year                    2015
_chemical_formula_moiety         'C52 H60 Li N3 O'
_chemical_formula_sum            'C52 H60 Li N3 O'
_chemical_formula_weight         749.97
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90
_cell_angle_beta                 91.8120(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.6795(5)
_cell_length_b                   13.9780(5)
_cell_length_c                   25.7857(8)
_cell_measurement_reflns_used    9929
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      30.54
_cell_measurement_theta_min      2.22
_cell_volume                     4567.8(3)
_computing_cell_refinement       'Bruker Apex V7.51A'
_computing_data_collection       'Bruker Apex V7.51A'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'ORTEP-3v2.01 (Farrugia, 1997)'
_computing_publication_material  SHELXL-2013
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'SHELXS-2013 (Sheldrick, 2013)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker Apex Kappa II-CCD-diffractometer'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0457
_diffrn_reflns_av_unetI/netI     0.0343
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       33
_diffrn_reflns_limit_l_min       -33
_diffrn_reflns_number            61095
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.500
_diffrn_reflns_theta_min         1.580
_exptl_absorpt_coefficient_mu    0.064
_exptl_absorpt_correction_T_max  0.7462
_exptl_absorpt_correction_T_min  0.6909
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 2004)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.091
_exptl_crystal_description       block
_exptl_crystal_F_000             1616
_exptl_crystal_size_max          0.720
_exptl_crystal_size_mid          0.490
_exptl_crystal_size_min          0.210
_refine_diff_density_max         0.218
_refine_diff_density_min         -0.183
_refine_diff_density_rms         0.035
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.017
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     529
_refine_ls_number_reflns         10485
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.017
_refine_ls_R_factor_all          0.0734
_refine_ls_R_factor_gt           0.0484
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0451P)^2^+1.6333P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1092
_refine_ls_wR_factor_ref         0.1244
_reflns_Friedel_coverage         0.000
_reflns_number_gt                7650
_reflns_number_total             10485
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja5b00959_si_002.cif
_cod_data_source_block           ah073b
_cod_database_code               4123517
_shelx_estimated_absorpt_t_min   0.955
_shelx_estimated_absorpt_t_max   0.987
_shelxl_version_number           2013-4
_shelx_res_checksum              2326
_shelx_hkl_checksum              19776