Structure-activity relationships in well-defined conjugated oligomer photocatalysts for hydrogen production from water
Aitchison, Catherine M.; Sachs, Michael; Little, Marc; Wilbraham, Liam; Brownbill, Nick J.; Kane, Chris; Blanc, Frédéric; Zwijnenburg, Martijn; Durrant, James; Sprick, Reiner Sebastian; Cooper, Andrew; Chemical Science  (2020) –; doi:10.1039/D0SC02675A

data_1558674
_publ_section_title
;
 Structure-activity relationships in well-defined conjugated oligomer
 photocatalysts for hydrogen production from water
;
_journal_name_full               'Chemical Science'
_journal_paper_doi               10.1039/D0SC02675A
_journal_year                    2020
_chemical_formula_moiety         'C24 H16 O2 S'
_chemical_formula_sum            'C24 H16 O2 S'
_chemical_formula_weight         368.43
_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'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2019-11-20
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2020-04-28 deposited with the CCDC.	2020-07-28 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 99.403(11)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.362(3)
_cell_length_b                   9.511(2)
_cell_length_c                   20.202(5)
_cell_measurement_reflns_used    2404
_cell_measurement_temperature    293
_cell_measurement_theta_max      22.358
_cell_measurement_theta_min      2.373
_cell_volume                     1774.7(8)
_computing_cell_refinement       'SAINT v8.34A (Bruker, 2013)'
_computing_data_collection       'CrystalClear-SM Expert 2.0 r7 (Rigaku, 2011)'
_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)'
_diffrn_ambient_temperature      293.0
_diffrn_detector                 CCD
_diffrn_detector_area_resol_mean 28.5714
_diffrn_detector_type            'Rigaku Saturn724+'
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device       'AFC12 (Right): Kappa 3 circle'
_diffrn_measurement_device_type  'Rigaku Saturn724+ (2x2 bin mode)'
_diffrn_measurement_method       'profile data from \w-scans'
_diffrn_measurement_specimen_support 'Mitegen 50um'
_diffrn_radiation_collimation    0.3
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_unetI/netI     0.0789
_diffrn_reflns_Laue_measured_fraction_full 0.994
_diffrn_reflns_Laue_measured_fraction_max 0.994
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            2755
_diffrn_reflns_point_group_measured_fraction_full 0.994
_diffrn_reflns_point_group_measured_fraction_max 0.994
_diffrn_reflns_theta_full        23.243
_diffrn_reflns_theta_max         23.243
_diffrn_reflns_theta_min         2.044
_diffrn_source_current           24.0
_diffrn_source_power             1.2
_diffrn_source_target            Mo
_diffrn_source_type              'Rotating Anode'
_diffrn_source_voltage           50.0
_exptl_absorpt_coefficient_mu    0.199
_exptl_absorpt_correction_T_max  0.7454
_exptl_absorpt_correction_T_min  0.5175
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
 TWINABS-2012/1 (Bruker,2012) was used for absorption correction.

Final HKLF 4 output contains 24458 reflections, Rint = 0.0950
 (5784 with I > 3sig(I), Rint = 0.0514)
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.379
_exptl_crystal_description       needle
_exptl_crystal_F_000             768
_exptl_crystal_size_max          0.14
_exptl_crystal_size_mid          0.048
_exptl_crystal_size_min          0.031
_refine_diff_density_max         0.298
_refine_diff_density_min         -0.391
_refine_diff_density_rms         0.073
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.208
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     245
_refine_ls_number_reflns         2755
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.208
_refine_ls_R_factor_all          0.1240
_refine_ls_R_factor_gt           0.0814
_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^)+(0.0377P)^2^+2.8009P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1420
_refine_ls_wR_factor_ref         0.1573
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2012
_reflns_number_total             2755
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0sc02675a3.cif
_cod_data_source_block           PSP_293K_publ
_cod_original_cell_volume        1774.6(8)
_cod_database_code               1558674
_shelx_shelxl_version_number     2014/7
_olex2_refinement_description
;
1. Twinned data refinement
 Scales: 0.496(3)
 0.504(3)
2. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
3.a Aromatic/amide H refined with riding coordinates:
 C1(H1), C2(H2), C3(H3), C5(H5), C6(H6), C8(H8), C11(H11), C12(H12), C15(H15),
 C17(H17), C18(H18), C20(H20), C21(H21), C22(H22), C23(H23), C24(H24)
;
_shelx_res_checksum              5753
_olex2_submission_special_instructions 'No special instructions were received'