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_4123508
_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_sum            'C48 H50 Cl2 N3 P'
_chemical_formula_weight         770.78
_space_group_crystal_system      orthorhombic
_space_group_IT_number           33
_space_group_name_Hall           'P 2c -2n'
_space_group_name_H-M_alt        'P n a 21'
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   32.4082(10)
_cell_length_b                   10.2792(3)
_cell_length_c                   12.9122(4)
_cell_measurement_reflns_used    9594
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      28.89
_cell_measurement_theta_min      2.35
_cell_volume                     4301.4(2)
_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  0.0418
_diffrn_reflns_av_unetI/netI     0.0548
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       47
_diffrn_reflns_limit_h_min       -41
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            37829
_diffrn_reflns_point_group_measured_fraction_full 0.874
_diffrn_reflns_point_group_measured_fraction_max 0.781
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         31.494
_diffrn_reflns_theta_min         2.017
_exptl_absorpt_coefficient_mu    0.224
_exptl_absorpt_correction_T_max  0.7462
_exptl_absorpt_correction_T_min  0.6709
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 2004)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.190
_exptl_crystal_description       block
_exptl_crystal_F_000             1632
_exptl_crystal_size_max          0.460
_exptl_crystal_size_mid          0.240
_exptl_crystal_size_min          0.180
_refine_diff_density_max         0.251
_refine_diff_density_min         -0.273
_refine_diff_density_rms         0.044
_refine_ls_abs_structure_details
;
 Flack x determined using 2398 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons and Flack (2004), Acta Cryst. A60, s61).
;
_refine_ls_abs_structure_Flack   0.01(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.021
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     517
_refine_ls_number_reflns         11170
_refine_ls_number_restraints     13
_refine_ls_restrained_S_all      1.022
_refine_ls_R_factor_all          0.0793
_refine_ls_R_factor_gt           0.0475
_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^)+(0.0510P)^2^+0.4402P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1021
_refine_ls_wR_factor_ref         0.1151
_reflns_Friedel_coverage         0.505
_reflns_Friedel_fraction_full    0.737
_reflns_Friedel_fraction_max     0.546
_reflns_number_gt                7849
_reflns_number_total             11170
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja5b00959_si_002.cif
_cod_data_source_block           ah075a
_cod_database_code               4123508
_shelx_estimated_absorpt_t_min   0.904
_shelx_estimated_absorpt_t_max   0.961
_shelxl_version_number           2013-4
_shelx_res_checksum              66376
_shelx_hkl_checksum              42493