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_1558679
_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 H14 O4 S2'
_chemical_formula_sum            'C24 H14 O4 S2'
_chemical_formula_weight         430.47
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2019-11-21
_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                94.371(5)
_cell_angle_beta                 93.590(6)
_cell_angle_gamma                90.853(5)
_cell_formula_units_Z            2
_cell_length_a                   7.3833(13)
_cell_length_b                   8.4946(16)
_cell_length_c                   15.020(3)
_cell_measurement_reflns_used    2637
_cell_measurement_temperature    298
_cell_measurement_theta_max      25.631
_cell_measurement_theta_min      2.405
_cell_volume                     937.3(3)
_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)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      298
_diffrn_detector                 CCD
_diffrn_detector_area_resol_mean 28.5714
_diffrn_detector_type            'Rigaku Saturn724+'
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.991
_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_monochromator  Confocal
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_unetI/netI     0.0857
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.991
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -2
_diffrn_reflns_number            3813
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.991
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.402
_diffrn_reflns_theta_min         2.405
_diffrn_source                   'Rotating Anode'
_diffrn_source_current           24.0
_diffrn_source_power             1.2
_diffrn_source_target            Mo
_diffrn_source_type              'Rotating Anode'
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.316
_exptl_absorpt_correction_T_max  0.7454
_exptl_absorpt_correction_T_min  0.4827
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2014/5 (Bruker,2014/5) was used for absorption correction. wR2(int) was 0.0843 before and 0.0668 after correction. The Ratio of minimum to maximum transmission is 0.6476. The \l/2 correction factor is 0.00150.'
_exptl_crystal_colour            'light yellow'
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.525
_exptl_crystal_description       plate
_exptl_crystal_F_000             444
_exptl_crystal_size_max          0.09
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.01
_refine_diff_density_max         0.306
_refine_diff_density_min         -0.413
_refine_diff_density_rms         0.077
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.057
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     272
_refine_ls_number_reflns         3813
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.057
_refine_ls_R_factor_all          0.1041
_refine_ls_R_factor_gt           0.0653
_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^)+(0.0645P)^2^+0.9621P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1639
_refine_ls_wR_factor_ref         0.1804
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2510
_reflns_number_total             3813
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0sc02675a3.cif
_cod_data_source_block           s2_298k
_cod_depositor_comments
;

2022-09-17
Z value and formula fixed to values more according to usual
chemical conventions.                 miguel
;
_cod_original_formula_moiety     '2(C24 H14 O4 S2)'
_cod_original_formula_sum        'C48 H28 O8 S4'
_cod_original_formula_units_Z    1
_cod_original_formula_weight     860.94
_cod_database_code               1558679
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_max   0.997
_shelx_estimated_absorpt_t_min   0.972
_olex2_refinement_description
;
1. Twinned data refinement
 Scales: 0.802(3)
 0.198(3)
2. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
3.a Aromatic/amide H refined with riding coordinates:
 C2(H2), C4(H4), C5(H5), C9(H9), C10(H10), C11(H11), C12(H12), C14(H14),
 C15(H15), C16(H16), C17(H17), C21(H21), C22(H22), C24(H24)
;
_shelx_res_checksum              2552
_olex2_submission_special_instructions 'No special instructions were received'