Influence of the Structure of Polyfluorinated Alcohols on Brønsted Acidity/Hydrogen-Bond Donor Ability and Consequences on the Promoter Effect
Daniela Vuluga; Julien Legros; Benoit Crousse; Alexandra M. Z. Slawin; Christian Laurence; Pierre Nicolet; Danièle Bonnet-Delpon; Journal of Organic Chemistry 76 (2011) 1126–1133; doi:10.1021/jo1023816

data_4026061
_publ_section_title
;
 Influence of the Structure of Polyfluorinated Alcohols on Br\/onsted
 Acidity/Hydrogen-Bond Donor Ability and Consequences on the Promoter
 Effect
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              1126
_journal_page_last               1133
_journal_paper_doi               10.1021/jo1023816
_journal_volume                  76
_journal_year                    2011
_chemical_formula_moiety         'C6 H12 N2,2(C6 H8 F6 O)'
_chemical_formula_sum            'C18 H28 F12 N2 O2'
_chemical_formula_weight         532.42
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 101.692(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.7334(12)
_cell_length_b                   18.096(2)
_cell_length_c                   14.6555(19)
_cell_measurement_reflns_used    6806
_cell_measurement_temperature    93(2)
_cell_measurement_theta_max      28.2075
_cell_measurement_theta_min      2.2509
_cell_volume                     2268.1(5)
_computing_cell_refinement       'CrystalClear (Rigaku Corp., 2004)'
_computing_data_collection       'CrystalClear (Rigaku Corp., 2004)'
_computing_data_reduction        'CrystalClear (Rigaku Corp., 2004)'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      93(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  CCD
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  confocal
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0728
_diffrn_reflns_av_sigmaI/netI    0.0746
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            14000
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.35
_diffrn_reflns_theta_min         2.25
_exptl_absorpt_coefficient_mu    0.167
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.9685
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.559
_exptl_crystal_description       Prism
_exptl_crystal_F_000             1096
_exptl_crystal_size_max          0.1000
_exptl_crystal_size_mid          0.1000
_exptl_crystal_size_min          0.0500
_refine_diff_density_max         0.404
_refine_diff_density_min         -0.325
_refine_diff_density_rms         0.065
_refine_ls_extinction_coef       0.0047(12)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.057
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     317
_refine_ls_number_reflns         4116
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.057
_refine_ls_R_factor_all          0.0691
_refine_ls_R_factor_gt           0.0552
_refine_ls_shift/su_max          0.014
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0826P)^2^+0.0786P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1446
_refine_ls_wR_factor_ref         0.1571
_reflns_number_gt                3266
_reflns_number_total             4116
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo1023816_si_004.cif
_cod_data_source_block           legros6
_cod_original_cell_volume        2268.0(5)
_cod_database_code               4026061