A study of dye anchoring points in half-squarylium dyes for dye-sensitized solar cells
Connell, Arthur; Holliman, Peter J.; Davies, Matthew L.; Gwenin, Christopher D.; Weiss, Sophie; Pitak, Mateusz B.; Horton, Peter N.; Coles, Simon J.; Cooke, Graeme; J. Mater. Chem. A 2 (2014) 4055–; doi:10.1039/C3TA15278B

data_7239569
_publ_section_title
;
 A study of dye anchoring points in half-squarylium dyes for
 dye-sensitized solar cells
;
_journal_issue                   11
_journal_name_full               'J. Mater. Chem. A'
_journal_page_first              4055
_journal_paper_doi               10.1039/C3TA15278B
_journal_volume                  2
_journal_year                    2014
_chemical_formula_moiety         'C18 H19 N O3'
_chemical_formula_sum            'C18 H19 N O3'
_chemical_formula_weight         297.34
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_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                82.094(2)
_cell_angle_beta                 82.082(2)
_cell_angle_gamma                78.631(2)
_cell_formula_units_Z            2
_cell_length_a                   7.2314(2)
_cell_length_b                   9.4760(3)
_cell_length_c                   11.6165(4)
_cell_measurement_reflns_used    3455
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.485
_cell_measurement_theta_min      2.910
_cell_volume                     767.95(4)
_computing_cell_refinement
'DENZO (Otwinowski & Minor, 1997) & COLLECT (Hooft, R.W.W., 1998)'
_computing_data_collection       'COLLECT (Hooft, R.W.W., 1998)'
_computing_data_reduction
'DENZO (Otwinowski & Minor, 1997) & COLLECT (Hooft, R.W.W., 1998)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean '4096x4096pixels / 62x62mm'
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type
'Bruker-Nonius APEX II CCD camera on \k-goniostat'
_diffrn_measurement_method       '\f & \w scans'
_diffrn_radiation_monochromator  '10cm confocal mirrors'
_diffrn_radiation_source         'Bruker-Nonius FR591 rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0435
_diffrn_reflns_av_sigmaI/netI    0.0423
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            13277
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         2.99
_exptl_absorpt_coefficient_mu    0.087
_exptl_absorpt_correction_T_max  0.9956
_exptl_absorpt_correction_T_min  0.9861
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS 2007/2 (Sheldrick, G.M., 2007)'
_exptl_crystal_colour            Orange
_exptl_crystal_density_diffrn    1.286
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Slab
_exptl_crystal_F_000             316
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.261
_refine_diff_density_min         -0.212
_refine_diff_density_rms         0.050
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.049
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     203
_refine_ls_number_reflns         3509
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.049
_refine_ls_R_factor_all          0.0673
_refine_ls_R_factor_gt           0.0542
_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^)+(0.0345P)^2^+0.6433P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1154
_refine_ls_wR_factor_ref         0.1243
_reflns_number_gt                2951
_reflns_number_total             3509
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c3ta15278b.txt
_cod_data_source_block           3a
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7239569