Molecular Engineering of Mechanochromic Materials by Programmed C-H Arylation: Making a Counterpoint in the Chromism Trend.
Wu, Jie; Cheng, Yangyang; Lan, Jingbo; Wu, Di; Qian, Shengyou; Yan, Lipeng; He, Zhen; Li, Xiaoyu; Wang, Kai; Zou, Bo; You, Jingsong; Journal of the American Chemical Society 138 (2016) 12803–12812; doi:10.1021/jacs.6b03890

data_4125244
_publ_section_title
;
 Molecular Engineering of Mechanochromic Materials by Programmed C-H
 Arylation: Making a Counterpoint in the Chromism Trend.
;
_journal_issue                   39
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              12803
_journal_page_last               12812
_journal_paper_doi               10.1021/jacs.6b03890
_journal_volume                  138
_journal_year                    2016
_chemical_formula_moiety         'C19 H10 F6 N4'
_chemical_formula_sum            'C19 H10 F6 N4'
_chemical_formula_weight         408.31
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     iterative
_audit_creation_date             2013-12-30
_audit_creation_method
;
Olex2 1.2
(compiled 2013.12.10 svn.r2850 for OlexSys, GUI svn.r4736)
;
_cell_angle_alpha                94.912(7)
_cell_angle_beta                 103.007(6)
_cell_angle_gamma                111.772(7)
_cell_formula_units_Z            2
_cell_length_a                   7.0493(4)
_cell_length_b                   9.2417(8)
_cell_length_c                   15.1514(11)
_cell_measurement_reflns_used    1730
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      24.4000
_cell_measurement_theta_min      3.6330
_cell_volume                     877.41(13)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.28 (release 01-02-2013 CrysAlis171 .NET)
(compiled Feb  1 2013,16:14:44)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.28 (release 01-02-2013 CrysAlis171 .NET)
(compiled Feb  1 2013,16:14:44)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.28 (release 01-02-2013 CrysAlis171 .NET)
(compiled Feb  1 2013,16:14:44)
;
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL-2012 (Sheldrick, 2008)'
_computing_structure_solution
;
Superflip (Palatinus & Chapuis, 2007;Palatinus & van der Lee, 2008;
Palatinus et al., 2012)
;
_diffrn_ambient_temperature      293.15
_diffrn_detector_area_resol_mean 16.0874
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Xcalibur, Eos'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_UB_11      -0.0184551000
_diffrn_orient_matrix_UB_12      -0.0814557000
_diffrn_orient_matrix_UB_13      -0.0041971000
_diffrn_orient_matrix_UB_21      0.0325397000
_diffrn_orient_matrix_UB_22      0.0092462000
_diffrn_orient_matrix_UB_23      0.0487128000
_diffrn_orient_matrix_UB_31      -0.1063965000
_diffrn_orient_matrix_UB_32      -0.0188856000
_diffrn_orient_matrix_UB_33      0.0012358000
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0226
_diffrn_reflns_av_unetI/netI     0.0498
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            7272
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.369
_diffrn_reflns_theta_min         3.013
_diffrn_source                   'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.140
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.85069
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.28 (release 01-02-2013 CrysAlis171 .NET)
(compiled Feb  1 2013,16:14:44)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour
;
;
_exptl_crystal_density_diffrn    1.545
_exptl_crystal_description
;
;
_exptl_crystal_F_000             412
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.251
_refine_diff_density_min         -0.444
_refine_diff_density_rms         0.083
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     281
_refine_ls_number_reflns         3579
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.1084
_refine_ls_R_factor_gt           0.0703
_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^)+(0.0995P)^2^+0.2118P]
 where P=(Fo^2^+2Fc^2^)/3
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1716
_refine_ls_wR_factor_ref         0.2125
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2219
_reflns_number_total             3579
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja6b03890_si_010.cif
_cod_data_source_block           131229_s1_wj
_cod_depositor_comments
'Adding full bibliography for 4125235--4125245.cif.'
_cod_original_cell_volume        877.41(12)
_cod_database_code               4125244
_shelxl_version_number           2013-2
_chemical_oxdiff_formula         c12h12n2o3f6
_shelx_estimated_absorpt_t_max   0.973
_shelx_estimated_absorpt_t_min   0.959
_reflns_odcompleteness_completeness 99.83
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     26.32
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
2. Uiso/Uaniso restraints and constraints
Uanis(F4A) = Uanis(F4B)
Uanis(F6A) = Uanis(F6B)
Uanis(F5A) = Uanis(F5B)
Uanis(F2A) = Uanis(F2B)
Uanis(F3A) = Uanis(F3B)
Uanis(F1A) = Uanis(F1B)
3. Others
 Sof(F1B)=Sof(F2B)=Sof(F3B)=Sof(F4B)=Sof(F5B)=Sof(F6B)=1-FVAR(1)
 Sof(F1A)=Sof(F2A)=Sof(F3A)=Sof(F4A)=Sof(F5A)=Sof(F6A)=FVAR(1)
4.a Aromatic/amide H refined with riding coordinates:
 C4(H4), C5(H5), C7(H7), C8(H8), C9(H9), C10(H10), C11(H11), C13(H13),
 C15(H15), C17(H17)
;
_shelx_res_checksum              52492
_shelx_hkl_checksum              4483