Highly Efficient Synthesis of Polyfluorinated Dendrons Suitable for Click Chemistry
Kölmel, Dominik Klaus; Nieger, Martin; Braese, Stefan; RSC Adv.  (2015) –; doi:10.1039/C5RA02804C

data_7220176
_publ_section_title
;
 Highly Efficient Synthesis of Polyfluorinated Dendrons Suitable for Click
 Chemistry
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C5RA02804C
_journal_year                    2015
_chemical_formula_moiety         'C18 H8 F18 O2'
_chemical_formula_sum            'C18 H8 F18 O2'
_chemical_formula_weight         598.24
_chemical_name_systematic
; 
 1-Ethynyl-3,5-bis((perfluorotert.butoxy)methyl)benzene 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2014-01-14 deposited with the CCDC.
2015-04-13 downloaded from the CCDC.
;
_cell_angle_alpha                68.704(8)
_cell_angle_beta                 79.860(6)
_cell_angle_gamma                74.572(5)
_cell_formula_units_Z            2
_cell_length_a                   7.0303(4)
_cell_length_b                   11.8119(10)
_cell_length_c                   14.0402(19)
_cell_measurement_reflns_used    60
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      25
_cell_measurement_theta_min      1
_cell_volume                     1043.05(19)
_computing_cell_refinement       EVALCCD
_computing_data_collection       Collect
_computing_data_reduction        EVALCCD
_computing_molecular_graphics    XP
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      123(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'Bruker-Nonius KappaCCD'
_diffrn_measurement_method       'rotation in phi and omega, 2 deg.'
_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  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0612
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            3648
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         3.02
_exptl_absorpt_coefficient_mu    0.231
_exptl_absorpt_correction_T_max  0.9955
_exptl_absorpt_correction_T_min  0.7039
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2008)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.905
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plates
_exptl_crystal_F_000             588
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.468
_refine_diff_density_min         -0.343
_refine_diff_density_rms         0.085
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.149
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     344
_refine_ls_number_reflns         3648
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.149
_refine_ls_R_factor_all          0.0968
_refine_ls_R_factor_gt           0.0677
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0611P)^2^+2.4720P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1727
_refine_ls_wR_factor_ref         0.1863
_reflns_number_gt                2620
_reflns_number_total             3648
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5ra02804c2.cif
_cod_data_source_block           sb528_tw_2-H
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'none' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3271 2015-04-21 07:52:19Z andrius 
;
_cod_original_cell_volume        1043.05(18)
_cod_database_code               7220176