Tunable Cyclopentane-1,3-diyls Generated by Insertion of Isonitriles into Diphosphadiazanediyls.
Hinz, Alexander; Schulz, Axel; Villinger, Alexander; Journal of the American Chemical Society 137 (2015) 9953–9962; doi:10.1021/jacs.5b05596

data_4124351
_publ_section_title
;
 Tunable Cyclopentane-1,3-diyls Generated by Insertion of Isonitriles into
 Diphosphadiazanediyls.
;
_journal_issue                   31
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              9953
_journal_page_last               9962
_journal_paper_doi               10.1021/jacs.5b05596
_journal_volume                  137
_journal_year                    2015
_chemical_formula_moiety         'C19 H18 N2'
_chemical_formula_sum            'C19 H18 N2'
_chemical_formula_weight         274.35
_chemical_name_systematic
;
 ?
;
_space_group_crystal_system      tetragonal
_space_group_IT_number           113
_space_group_name_Hall           'P -4 2ab'
_space_group_name_H-M_alt        'P -4 21 m'
_symmetry_space_group_name_Hall  'P -4 2ab'
_symmetry_space_group_name_H-M   'P -4 21 m'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2013
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   13.3318(7)
_cell_length_b                   13.3318(7)
_cell_length_c                   4.3442(3)
_cell_measurement_reflns_used    1663
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      26.77
_cell_measurement_theta_min      3.06
_cell_volume                     772.12(8)
_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 0.998
_diffrn_measured_fraction_theta_max 0.997
_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  0.0299
_diffrn_reflns_av_unetI/netI     0.0274
_diffrn_reflns_laue_measured_fraction_full 0.998
_diffrn_reflns_laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       6
_diffrn_reflns_limit_l_min       -6
_diffrn_reflns_number            6875
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         29.991
_diffrn_reflns_theta_min         3.056
_exptl_absorpt_coefficient_mu    0.070
_exptl_absorpt_correction_T_max  0.7461
_exptl_absorpt_correction_T_min  0.6927
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 2004)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.180
_exptl_crystal_description       rod
_exptl_crystal_F_000             292
_exptl_crystal_size_max          0.410
_exptl_crystal_size_mid          0.080
_exptl_crystal_size_min          0.060
_refine_diff_density_max         0.129
_refine_diff_density_min         -0.139
_refine_diff_density_rms         0.029
_refine_ls_abs_structure_details
;
 Flack x determined using 329 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons and Flack (2004), Acta Cryst. A60, s61).
;
_refine_ls_abs_structure_Flack   -0.5(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.048
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     57
_refine_ls_number_reflns         1190
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.048
_refine_ls_R_factor_all          0.0568
_refine_ls_R_factor_gt           0.0385
_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^)+(0.0404P)^2^+0.0749P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0847
_refine_ls_wR_factor_ref         0.0956
_reflns_Friedel_coverage         0.681
_reflns_friedel_fraction_full    1.000
_reflns_friedel_fraction_max     1.000
_reflns_number_gt                926
_reflns_number_total             1190
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja5b05596_si_001.cif
_cod_data_source_block           ah202a
_cod_original_cell_volume        772.12(10)
_cod_database_code               4124351
_shelx_estimated_absorpt_t_min   0.972
_shelx_estimated_absorpt_t_max   0.996
_shelxl_version_number           2013-4
_shelx_res_checksum              97507
_shelx_hkl_checksum              36026