Diquat Derivatives: Highly Active, Two-Dimensional Nonlinear Optical Chromophores with Potential Redox Switchability
Benjamin J. Coe; John Fielden; Simon P. Foxon; James A. Harris; Madeleine Helliwell; Bruce S. Brunschwig; Inge Asselberghs; Koen Clays; Javier Garín; Jesús Orduna; Journal of the American Chemical Society 132 (2010) 10498–10512; doi:10.1021/ja103289a

data_4102733
_publ_contact_author_address
;
School of Chemistry, University of Manchester, Oxford Road, Manchester, M13
 9PL, UK.
;
_publ_contact_author_email       b.coe@manchester.ac.uk
_publ_contact_author_name        'Benjamin J. Coe'
_publ_section_title
;
 Diquat Derivatives: Highly Active, Two-Dimensional Nonlinear Optical
 Chromophores with Potential Redox Switchability
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              10498
_journal_page_last               10512
_journal_paper_doi               10.1021/ja103289a
_journal_volume                  132
_journal_year                    2010
_chemical_formula_moiety         'C26 H29 N3, 2(F6 P), C3 H6 O'
_chemical_formula_sum            'C29 H35 F12 N3 O P2'
_chemical_formula_weight         731.54
_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
_cell_angle_alpha                97.812(4)
_cell_angle_beta                 99.103(4)
_cell_angle_gamma                104.236(4)
_cell_formula_units_Z            2
_cell_length_a                   8.3822(4)
_cell_length_b                   11.8966(6)
_cell_length_c                   16.7255(8)
_cell_measurement_reflns_used    5316
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      32.1523
_cell_measurement_theta_min      2.6150
_cell_volume                     1569.42(14)
_computing_cell_refinement
; 
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.32.4 (release 27-04-2006 CrysAlis171 .NET)
(compiled Apr 27 2007,17:53:11)
;
_computing_data_collection
; 
CrysAlis CCD, Oxford Diffraction Ltd.,
Version 1.171.32.4 (release 27-04-2006 CrysAlis171 .NET)
(compiled Apr 27 2007,17:53:11)
;
_computing_data_reduction
; 
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.32.4 (release 27-04-2006 CrysAlis171 .NET)
(compiled Apr 27 2007,17:53:11)
;
_computing_molecular_graphics    'SHELXTL (Bruker, 1997)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.3367
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Oxford Diffraction XCalibur 2'
_diffrn_measurement_method       'phi and omega'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0371
_diffrn_reflns_av_sigmaI/netI    0.0687
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            15497
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         3.76
_exptl_absorpt_coefficient_mu    0.240
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.68887
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.32.4 (release 27-04-2006 CrysAlis171 .NET)
(compiled Apr 27 2007,17:53:11)
empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            'dark purple'
_exptl_crystal_density_diffrn    1.548
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             752
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.370
_refine_diff_density_min         -0.365
_refine_diff_density_rms         0.089
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.947
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     429
_refine_ls_number_reflns         6397
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.947
_refine_ls_R_factor_all          0.0758
_refine_ls_R_factor_gt           0.0405
_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^)+(0.0566P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0930
_refine_ls_wR_factor_ref         0.1064
_reflns_number_gt                3787
_reflns_number_total             6397
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja103289a_si_002_4.cif
_cod_data_source_block           '[8](PF6)2.Me2CO'
_cod_original_cell_volume        1569.42(13)
_cod_database_code               4102733