Solvent-induced reversible solid-state colour change of an intramolecular charge-transfer complex
Ping Li; Josef M. Maier; Jungwun Hwang; Mark D. Smith; Jeanette A. Krause; Brian T. Mullis; Sharon M. S. Strickland; Ken D. Shimizu; Chem.Commun. 51 (2015) 14809–; doi:10.1039/C5cc06140G

data_7117836
_publ_section_title
;
 Solvent-induced reversible solid-state colour change of an intramolecular
 charge-transfer complex
;
_journal_name_full               Chem.Commun.
_journal_page_first              14809
_journal_paper_doi               10.1039/C5cc06140G
_journal_volume                  51
_journal_year                    2015
_chemical_formula_moiety         'C72 H54 N2 O8, 2(C H2 Cl2)'
_chemical_formula_sum            'C74 H58 Cl4 N2 O8'
_chemical_formula_weight         1245.02
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_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
_audit_creation_date             2015-04-23
_audit_creation_method
;
Olex2 1.2
(compiled 2015.01.26 svn.r3150 for OlexSys, GUI svn.r4998)
;
_audit_update_record
;
2015-07-12 deposited with the CCDC.
2015-08-17 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 113.491(2)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   17.1824(9)
_cell_length_b                   10.3899(5)
_cell_length_c                   17.8902(9)
_cell_measurement_reflns_used    9762
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.89
_cell_measurement_theta_min      2.32
_cell_volume                     2929.1(3)
_computing_cell_refinement       'SAINT v8.34A (Bruker, 2013)'
_computing_data_collection       'Bruker APEXII v2014.9-0 (Bruker, 2014)'
_computing_data_reduction        'SAINT v8.34A (Bruker, 2013)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'XT (Sheldrick, 2015)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 'Bruker PHOTON-100 area detector'
_diffrn_detector_area_resol_mean 10.4
_diffrn_detector_type            'CMOS area detector'
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker D8 Quest'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  'mirror optics'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0473
_diffrn_reflns_av_unetI/netI     0.0138
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            142111
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        27.900
_diffrn_reflns_theta_max         27.919
_diffrn_reflns_theta_min         2.320
_diffrn_source                   'microfocus sealed X-ray tube'
_diffrn_source_type              'Incoatec I\ms'
_exptl_absorpt_coefficient_mu    0.266
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.7185
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2014/4 (Bruker,2014/4) was used for absorption correction.
wR2(int) was 0.0707 before and 0.0583 after correction.
The Ratio of minimum to maximum transmission is 0.9637.
The \l/2 correction factor is 0.00150.
;
_exptl_crystal_colour            red
_exptl_crystal_colour_primary    red
_exptl_crystal_density_diffrn    1.412
_exptl_crystal_description       plate
_exptl_crystal_F_000             1296
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.417
_refine_diff_density_min         -0.283
_refine_diff_density_rms         0.050
_refine_ls_extinction_coef       0.0024(4)
_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   1.044
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     457
_refine_ls_number_reflns         7012
_refine_ls_number_restraints     50
_refine_ls_restrained_S_all      1.043
_refine_ls_R_factor_all          0.0438
_refine_ls_R_factor_gt           0.0371
_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^)+(0.0447P)^2^+1.7845P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0931
_refine_ls_wR_factor_ref         0.0971
_reflns_number_gt                6168
_reflns_number_total             7012
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c5cc06140g2.cif.txt
_cod_data_source_block           dfya53_dcm_0m
_cod_database_code               7117836
_shelxl_version_number           2014/6
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups, All C(H,H,H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2. Shared sites
{C16A, C16B}
3. Uiso/Uaniso restraints and constraints
Uanis(Cl1S_1) = Uanis(Cl1S_2)
Uanis(C1S_1) = Uanis(C1S_2)
Uanis(Cl2S_1) = Uanis(Cl2S_2)
Uanis(C16A) = Uanis(C16B)
Uanis(C17A) = Uanis(C17B)
Uanis(C18A) = Uanis(C18B)
Uanis(C19A) = Uanis(C19B)
Uanis(C20A) = Uanis(C20B)
Uanis(C21A) = Uanis(C21B)
Uanis(C22A) = Uanis(C22B)
Uanis(C23A) = Uanis(C23B)
Uanis(C24A) = Uanis(C24B)
Uanis(C25A) = Uanis(C25B)
Uanis(C26A) = Uanis(C26B)
Uanis(C27A) = Uanis(C27B)
Uanis(C28A) = Uanis(C28B)
Uanis(C29A) = Uanis(C29B)
Uanis(C30A) = Uanis(C30B)
Uanis(C31A) = Uanis(C31B)
4. Same fragment restrains
{C16A, C17A, C18A, C19A, C20A, C21A, C22A, C23A, C24A, C25A, C26A, C27A, C28A,
C29A, C30A, C31A} sigma for 1-2: 0.01, 1-3: 0.04
as
{C16B, C17B, C18B, C19B, C20B, C21B, C22B, C23B, C24B, C25B, C26B, C27B, C28B,
C29B, C30B, C31B}
{C1S_1, Cl2S_1, Cl1S_1} sigma for 1-2: 0.01, 1-3: 0.04
as
{C1S_2, Cl2S_2, Cl1S_2}
5. Others
 Sof(H15C)=Sof(H15D)=Sof(C16B)=Sof(C17B)=Sof(C18B)=Sof(H18B)=Sof(C19B)=
 Sof(H19B)=Sof(C20B)=Sof(C21B)=Sof(C22B)=Sof(C23B)=Sof(C24B)=Sof(H24B)=
 Sof(C25B)=Sof(H25B)=Sof(C26B)=Sof(H26B)=Sof(C27B)=Sof(H27B)=Sof(C28B)=
 Sof(H28B)=Sof(C29B)=Sof(C30B)=Sof(H30B)=Sof(C31B)=Sof(H31B)=1-FVAR(1)
 Sof(H15A)=Sof(H15B)=Sof(C16A)=Sof(C17A)=Sof(C18A)=Sof(H18A)=Sof(C19A)=
 Sof(H19A)=Sof(C20A)=Sof(C21A)=Sof(C22A)=Sof(C23A)=Sof(C24A)=Sof(H24A)=
 Sof(C25A)=Sof(H25A)=Sof(C26A)=Sof(H26A)=Sof(C27A)=Sof(H27A)=Sof(C28A)=
 Sof(H28A)=Sof(C29A)=Sof(C30A)=Sof(H30A)=Sof(C31A)=Sof(H31A)=FVAR(1)
 Sof(C1S)=Sof(H1SA)=Sof(H1SB)=Sof(Cl2S)=Sof(Cl1S)=1-FVAR(2)
 Sof(C1S)=Sof(H1SA)=Sof(H1SB)=Sof(Cl2S)=Sof(Cl1S)=FVAR(2)
6.a Secondary CH2 refined with riding coordinates:
 C15(H15A,H15B), C15(H15C,H15D), C35(H35A,H35B), C1S(H1SA,H1SB), C1S(H1SA,H1SB)
6.b Aromatic/amide H refined with riding coordinates:
 C6(H6), C7(H7), C10(H10), C11(H11), C13(H13), C18A(H18A), C19A(H19A),
 C24A(H24A), C25A(H25A), C26A(H26A), C27A(H27A), C28A(H28A), C30A(H30A),
 C31A(H31A), C18B(H18B), C19B(H19B), C24B(H24B), C25B(H25B), C26B(H26B),
 C27B(H27B), C28B(H28B), C30B(H30B), C31B(H31B)
6.c Idealised Me refined as rotating group:
 C33(H33A,H33B,H33C), C34(H34A,H34B,H34C), C36(H36A,H36B,H36C)
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_shelx_res_checksum              90552
_shelx_hkl_checksum              99308
_olex2_submission_special_instructions 'No special instructions were received'