Arrays of Molecular Rotors with Triptycene Stoppers: Surface Inclusion in Hexagonal Tris(o-phenylenedioxy)cyclotriphosphazene.
Kaleta, Jiří; Dron, Paul I.; Zhao, Ke; Shen, Yongqiang; Císařová, Ivana; Rogers, Charles T.; Michl, Josef; The Journal of organic chemistry 80 (2015) 6173–6192; doi:10.1021/acs.joc.5b00661

data_4031078
_publ_section_title
;
 Arrays of Molecular Rotors with Triptycene Stoppers: Surface Inclusion in
 Hexagonal Tris(o-phenylenedioxy)cyclotriphosphazene.
;
_journal_issue                   12
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              6173
_journal_page_last               6192
_journal_paper_doi               10.1021/acs.joc.5b00661
_journal_volume                  80
_journal_year                    2015
_chemical_compound_source        'synthesized by Dr. Kaleta'
_chemical_formula_moiety         'C28 H14 Br4'
_chemical_formula_sum            'C28 H14 Br4'
_chemical_formula_weight         670.03
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_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_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.9662(12)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   21.7286(7)
_cell_length_b                   7.9945(2)
_cell_length_c                   13.6141(4)
_cell_measurement_reflns_used    3210
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.3655
_cell_measurement_theta_min      2.9929
_cell_volume                     2364.56(12)
_computing_cell_refinement       'SAINT V8.34A (Bruker AXS Inc., 2013)'
_computing_data_collection       'Bruker Instrument Service v2013.12.0.0'
_computing_data_reduction        'SAINT V8.34A (Bruker AXS Inc., 2013)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_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  0.0201
_diffrn_reflns_av_sigmaI/netI    0.0270
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            8476
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.87
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    6.823
_exptl_absorpt_correction_T_max  0.5947
_exptl_absorpt_correction_T_min  0.1863
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'SADABS V2012/1 (Bruker AXS Inc.)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.882
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1288
_exptl_crystal_size_max          0.37
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.663
_refine_diff_density_min         -0.723
_refine_diff_density_rms         0.083
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.044
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     155
_refine_ls_number_reflns         2709
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.044
_refine_ls_R_factor_all          0.0494
_refine_ls_R_factor_gt           0.0326
_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^)+(0.0404P)^2^+3.9473P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0774
_refine_ls_wR_factor_ref         0.0835
_reflns_number_gt                2113
_reflns_number_total             2709
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            jo5b00661_si_003.cif
_cod_data_source_block           JK513
_cod_depositor_comments
'Adding full bibliography for 4031076--4031079.cif.'
_cod_database_code               4031078