The New NH-Acid HN(C6F5)(C(CF3)3) and Its Crystalline and Volatile Alkaline and Earth Alkaline Metal Salts.
Kögel, Julius F; Finger, Lars H.; Frank, Nicolas; Sundermeyer, Jörg; Inorganic chemistry 53 (2014) 3839–; doi:10.1021/ic5001717

data_4338002
_publ_section_title
;
 The New NH-Acid HN(C6F5)(C(CF3)3) and Its Crystalline and Volatile
 Alkaline and Earth Alkaline Metal Salts.
;
_journal_issue                   7
_journal_name_full               'Inorganic chemistry'
_journal_page_first              3839
_journal_paper_doi               10.1021/ic5001717
_journal_volume                  53
_journal_year                    2014
_chemical_formula_moiety         'C10 F14 K1 N1'
_chemical_formula_sum            'C10 F14 K N'
_chemical_formula_weight         439.21
_chemical_name_common            KN(C6F5)(C4F9)
_chemical_name_systematic
;
Potassium-(pentafluorophenyl)(nonafluoro-tert-butyl)amide
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 95.485(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   15.9930(5)
_cell_length_b                   13.9077(6)
_cell_length_c                   11.7967(4)
_cell_measurement_reflns_used    21902
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.135
_cell_measurement_theta_min      1.945
_cell_volume                     2611.88(17)
_computing_cell_refinement       'STOE X-AREA'
_computing_data_collection       'STOE X-AREA'
_computing_data_reduction        'STOE X-RED'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR92 (Giacovazzo et al, 1993)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 6.67
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'STOE IPDS 2T'
_diffrn_measurement_method       'rotation method'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0409
_diffrn_reflns_av_sigmaI/netI    0.0196
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            17992
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         26.77
_diffrn_reflns_theta_min         1.94
_exptl_absorpt_coefficient_mu    0.584
_exptl_absorpt_correction_T_max  0.9645
_exptl_absorpt_correction_T_min  0.8222
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;

[c.f. r.h. blessing, acta cryst. (1995), a51, 33-38]

;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.234
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1696
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.360
_refine_diff_density_min         -0.262
_refine_diff_density_rms         0.049
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.029
_refine_ls_hydrogen_treatment    none
_refine_ls_matrix_type           full
_refine_ls_number_parameters     235
_refine_ls_number_reflns         2775
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.029
_refine_ls_R_factor_all          0.0248
_refine_ls_R_factor_gt           0.0214
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0276P)^2^+1.7868P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0527
_refine_ls_wR_factor_ref         0.0537
_reflns_number_gt                2517
_reflns_number_total             2775
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            ic5001717_si_003.cif
_cod_data_source_block           nfj17
_cod_depositor_comments
'Adding full bibliography for 4338000--4338004.cif.'
_cod_original_cell_volume        2611.88(16)
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_original_formula_sum        'C10 F14 K1 N1'
_cod_database_code               4338002
_audit_contact_author            'Joerg Sundermeyer'