Electrocatalyst decomposition pathways: torsional strain in a second sphere proton relay shuts off CO2RR in a Re(2,2’-bipyridyl)(CO)3X type electrocatalyst
Dubrawski, Zack; Chang, Chia Yun; Carr, Cody; Gelfand, Benjamin Sidney; Piers, Warren; Dalton Transactions  (2022) –; doi:10.1039/D2DT02876J

data_7711660
_publ_section_title
;
 Electrocatalyst decomposition pathways: torsional strain in a second
 sphere proton relay shuts off CO2RR in a Re(2,2&#x2019;-bipyridyl)(CO)3X
 type electrocatalyst
;
_journal_name_full               'Dalton Transactions'
_journal_paper_doi               10.1039/D2DT02876J
_journal_year                    2022
_chemical_formula_moiety         'C24 H17 Cl N3 O3 Re, 1.5(C H4 O)'
_chemical_formula_sum            'C25.5 H23 Cl N3 O4.5 Re'
_chemical_formula_weight         665.12
_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             2022-04-20
_audit_creation_method
;
Olex2 1.3
(compiled 2020.11.12 svn.r5f609507 for OlexSys, GUI svn.r6408)
;
_audit_update_record
;
2022-05-27 deposited with the CCDC.	2022-10-31 downloaded from the CCDC.
;
_cell_angle_alpha                73.3670(10)
_cell_angle_beta                 79.1560(10)
_cell_angle_gamma                76.0790(10)
_cell_formula_units_Z            4
_cell_length_a                   10.6487(7)
_cell_length_b                   14.8830(10)
_cell_length_c                   17.1392(12)
_cell_measurement_reflns_used    9884
_cell_measurement_temperature    296.15
_cell_measurement_theta_max      28.614
_cell_measurement_theta_min      2.208
_cell_volume                     2505.3(3)
_computing_cell_refinement       'SAINT V8.40A (Bruker, 2019)'
_computing_data_reduction        'SAINT V8.40A (Bruker, 2019)'
_computing_molecular_graphics    'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      296.15
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0690
_diffrn_reflns_av_unetI/netI     0.0629
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            48489
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.798
_diffrn_reflns_theta_min         1.250
_diffrn_source_current           30.0
_diffrn_source_power             1.5
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    4.996
_exptl_absorpt_correction_T_max  0.7461
_exptl_absorpt_correction_T_min  0.6127
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.0833 before and 0.0532 after correction.
The Ratio of minimum to maximum transmission is 0.8212.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            orange
_exptl_crystal_colour_primary    orange
_exptl_crystal_density_diffrn    1.763
_exptl_crystal_description       plank
_exptl_crystal_F_000             1300
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: Hot methanol'
_exptl_crystal_size_max          0.207
_exptl_crystal_size_mid          0.119
_exptl_crystal_size_min          0.073
_refine_diff_density_max         1.016
_refine_diff_density_min         -0.802
_refine_diff_density_rms         0.151
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.997
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     639
_refine_ls_number_reflns         11853
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.997
_refine_ls_R_factor_all          0.0565
_refine_ls_R_factor_gt           0.0330
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0181P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0555
_refine_ls_wR_factor_ref         0.0622
_reflns_Friedel_coverage         0.000
_reflns_number_gt                8740
_reflns_number_total             11853
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2dt02876j2.cif
_cod_data_source_block           mo_20220412zd_n62_0m
_cod_depositor_comments
;

2024-09-24
Z value and formula fixed to values more according to usual
chemical conventions.                 miguel
;
_cod_original_formula_sum            'C51 H46 Cl2 N6 O9 Re2'
_cod_original_formula_weight         1330.24
_cod_original_formula_moiety         '2(C24 H17 Cl N3 O3 Re), 3(C H4 O)'
_cod_original_formula_units_Z            2
_cod_database_code               7711660
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.712
_shelx_estimated_absorpt_t_min   0.424
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups, All O(H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C4(H4), C5(H5), C6(H6), C7(H7), C10(H10), C11(H11), C13(H13), C14(H14),
 C15(H15), C19(H19), C20(H20), C21(H21), C22(H22), C23(H23), C28(H28), C29(H29),
  C30(H30), C31(H31), C34(H34), C35(H35), C37(H37), C38(H38), C39(H39),
 C43(H43), C44(H44), C45(H45), C46(H46), C47(H47)
2.b Idealised Me refined as rotating group:
 C24(H24A,H24B,H24C), C48(H48A,H48B,H48C), C1S(H1SA,H1SB,H1SC), C1S(H1SA,H1SB,
 H1SC), C1S(H1SA,H1SB,H1SC)
2.c Idealised tetrahedral OH refined as rotating group:
 O1S(H1S), O1S(H1S), O1S(H1S)
;
_shelx_res_checksum              35994
_shelx_hkl_checksum              86593
_olex2_submission_special_instructions 'No special instructions were received'