Triptycene-based quinone molecules showing multi-electron redox reactions for large capacity and high energy organic cathode materials in Li-ion batteries
Kwon, Ji Eon; Hyun, Chang-Seok; Ryu, Young Jun; Lee, Joungphil; Min, Dong Joo; Park, Moon Jeong; An, Byeong-Kwan; Park, Soo Young; Journal of Materials Chemistry A 6 (2018) 3134–; doi:10.1039/C7TA09968A

data_7236668
_publ_section_title
;
 Triptycene-based quinone molecules showing multi-electron redox reactions
 for large capacity and high energy organic cathode materials in Li-ion
 batteries
;
_journal_issue                   7
_journal_name_full               'Journal of Materials Chemistry A'
_journal_page_first              3134
_journal_paper_doi               10.1039/C7TA09968A
_journal_volume                  6
_journal_year                    2018
_chemical_formula_moiety         'C20 H8 O6'
_chemical_formula_sum            'C20 H8 O6'
_chemical_formula_weight         344.26
_chemical_name_common            'triptycene tribenzoquinone'
_chemical_name_systematic
9,10-dihydro-9,10-o-Benzenoanthracene-1,4,5,8,13,16-hexone
_space_group_crystal_system      tetragonal
_space_group_IT_number           109
_space_group_name_Hall           'I 4bw -2'
_space_group_name_H-M_alt        'I 41 m d'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_block_doi                 10.5517/ccdc.csd.cc1pv9nh
_audit_creation_date             2017-05-29
_audit_creation_method
;
Olex2 1.2
(compiled 2017.03.28 svn.r3405 for OlexSys, GUI svn.r5335)
;
_audit_update_record
;
2017-09-14 deposited with the CCDC.
2018-01-16 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.8498(4)
_cell_length_b                   10.8498(4)
_cell_length_c                   12.7484(5)
_cell_measurement_reflns_used    4244
_cell_measurement_temperature    304.5
_cell_measurement_theta_max      27.83
_cell_measurement_theta_min      2.47
_cell_volume                     1500.72(10)
_computing_cell_refinement       'SAINT v8.37A (Bruker, 2015)'
_computing_data_reduction        'SAINT v8.37A (Bruker, 2015)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XH (Sheldrick, 2008)'
_computing_structure_solution    'SIR2004 (Burla et al., 2007)'
_diffrn_ambient_temperature      304.5
_diffrn_detector_area_resol_mean 8
_diffrn_measured_fraction_theta_full 1.000
_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_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0515
_diffrn_reflns_av_unetI/netI     0.0273
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            10224
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.974
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.236
_diffrn_reflns_theta_min         2.465
_diffrn_source                   'sealed tube'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.115
_exptl_absorpt_correction_T_max  0.7457
_exptl_absorpt_correction_T_min  0.6913
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. wR2(int) was 0.0659 before and 0.0613 after correction. The Ratio of minimum to maximum transmission is 0.9270. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            'clear yellowish yellow'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   yellowish
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.524
_exptl_crystal_description       block
_exptl_crystal_F_000             704
_exptl_crystal_recrystallization_method 'Re-crystallisation from solvent'
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.223
_refine_diff_density_min         -0.244
_refine_diff_density_rms         0.042
_refine_ls_abs_structure_details
;
 Flack x determined using 355 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.7(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.080
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     67
_refine_ls_number_reflns         1006
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.080
_refine_ls_R_factor_all          0.0544
_refine_ls_R_factor_gt           0.0394
_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^)+(0.0490P)^2^+0.4910P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0875
_refine_ls_wR_factor_ref         0.0942
_reflns_Friedel_coverage         0.870
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     0.947
_reflns_number_gt                855
_reflns_number_total             1006
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7ta09968a2.cif
_cod_data_source_block           TI-3Q
_cod_original_cell_volume        1500.72(13)
_cod_database_code               7236668
_shelx_shelxl_version_number     2014/7
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
2.a Ternary CH refined with riding coordinates:
 C4(H4)
2.b Aromatic/amide H refined with riding coordinates:
 C1(H1), C7(H7)
;
_olex2_submission_special_instructions 'No special instructions were received'