Unlocking reactivity: synthetic, structural and catalytic exploration of ruthenium(II) complexes featuring pdc and NHC ligands
Awe, Babatunde; Swart, Glendin; Erasmus, Elizabeth; Landman, Marilé; Malan, Frederick Pieter; New Journal of Chemistry  (2026) –; doi:10.1039/D5NJ03988F

data_7064179
_publ_section_title
;
 Unlocking reactivity: synthetic, structural and catalytic exploration of
 ruthenium(II) complexes featuring pdc and NHC ligands
;
_journal_name_full               'New Journal of Chemistry'
_journal_paper_doi               10.1039/D5NJ03988F
_journal_year                    2026
_chemical_formula_moiety         'C18 H21 N3 O5 Ru'
_chemical_formula_sum            'C18 H21 N3 O5 Ru'
_chemical_formula_weight         460.45
_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   mixed
_atom_sites_solution_primary     dual
_audit_creation_date             2025-11-07
_audit_creation_method
;
Olex2 1.3-ac4
(compiled 2018.12.18 svn.r3554 for Rigaku Oxford Diffraction, GUI svn.r1)
;
_audit_update_record
;
2025-11-28 deposited with the CCDC.	2025-12-08 downloaded from the CCDC.
;
_cell_angle_alpha                74.531(3)
_cell_angle_beta                 64.202(3)
_cell_angle_gamma                79.030(3)
_cell_formula_units_Z            2
_cell_length_a                   9.7789(8)
_cell_length_b                   10.0997(9)
_cell_length_c                   10.8427(9)
_cell_measurement_reflns_used    4912
_cell_measurement_temperature    150.00(2)
_cell_measurement_theta_max      22.68
_cell_measurement_theta_min      2.43
_cell_volume                     925.81(14)
_computing_cell_refinement       'Bruker APEX3 Bruker-AXS, Madison WI'
_computing_data_collection       'Bruker APEX3 Bruker-AXS, Madison WI'
_computing_data_reduction        'SAINT V8.38A Bruker-AXS, Madison WI'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      150.00(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker APEX-III CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1304
_diffrn_reflns_av_unetI/netI     0.0589
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            41333
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.000
_diffrn_reflns_theta_max         26.496
_diffrn_reflns_theta_min         2.100
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.882
_exptl_absorpt_correction_T_max  0.7454
_exptl_absorpt_correction_T_min  0.6865
_exptl_absorpt_correction_type   none
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1713 before and 0.0744 after correction.
The Ratio of minimum to maximum transmission is 0.9210.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            orange
_exptl_crystal_colour_primary    orange
_exptl_crystal_density_diffrn    1.652
_exptl_crystal_description       block
_exptl_crystal_F_000             468
_exptl_crystal_size_max          0.150
_exptl_crystal_size_mid          0.130
_exptl_crystal_size_min          0.100
_refine_diff_density_max         0.770
_refine_diff_density_min         -0.811
_refine_diff_density_rms         0.110
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.061
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     259
_refine_ls_number_reflns         3832
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.061
_refine_ls_R_factor_all          0.0578
_refine_ls_R_factor_gt           0.0437
_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^)+(0.0483P)^2^+0.4355P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0959
_refine_ls_wR_factor_ref         0.1030
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3160
_reflns_number_total             3832
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5nj03988f2.cif
_cod_data_source_block           mo_ba68_lt_0m_a
_cod_database_code               7064179
_shelxl_version_number           2013-3
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H,H) groups, H4 of C4, H15B of H15A, H13B of H13A, H5 of C5, H3 of C3,
   H10 of C10
 At 1.5 times of:
  All O(H,H) groups, H14A of C14, H14C of H14B, H17C of H17B, H17A of C17
2.a Secondary CH2 refined with riding coordinates:
 C11(H11A,H11B), C13(H13A,H13B), C15(H15A,H15B)
2.b Aromatic/amide H refined with riding coordinates:
 C5(H5), C4(H4), C3(H3), C10(H10), C9(H9)
2.c X=CH2 refined with riding coordinates:
 C18(H18A,H18B)
2.d Idealised Me refined as rotating group:
 C14(H14A,H14B,H14C), C17(H17A,H17B,H17C)
;
_shelx_res_checksum              97126
_olex2_submission_special_instructions 'No special instructions were received'