Controlling alkyne dimerization and trimerization with ruthenium(ii) arene isocyanide catalysts
Lapa, Hugo M.; del Rosso, Mattia; Zacchini, Stefano; Giarola, Greta; Alegria, Elisabete C. B. A.; Trzeciak, Anna M.; Marchetti, Fabio; Martins, Luísa M. D. R. S.; Biancalana, Lorenzo; Catalysis Science & Technology 16 (2026) 1622–1653; doi:10.1039/D5CY01493J

data_1576421
_publ_section_title
;
 Controlling alkyne dimerization and trimerization with ruthenium(ii)
 arene isocyanide catalysts
;
_journal_issue                   5
_journal_name_full               'Catalysis Science &amp; Technology'
_journal_page_first              1622
_journal_page_last               1653
_journal_paper_doi               10.1039/D5CY01493J
_journal_volume                  16
_journal_year                    2026
_chemical_formula_sum            'C27 H34 Cl N Ru'
_chemical_formula_weight         509.07
_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_method           SHELXL-2017/1
_audit_update_record
;
2025-11-21 deposited with the CCDC.	2026-01-29 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 91.324(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.5945(4)
_cell_length_b                   12.2445(6)
_cell_length_c                   25.2295(12)
_cell_measurement_reflns_used    9943
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      36.869
_cell_measurement_theta_min      2.784
_cell_volume                     2345.5(2)
_computing_cell_refinement       'APEX3 (Bruker AXS, 2015)'
_computing_data_collection       'APEX3 (Bruker AXS, 2015)'
_computing_data_reduction        'SAINT (Bruker AXS, 2015)'
_computing_molecular_graphics    'ORTEPIII (Johnson, 1996)'
_computing_publication_material  'XCIF 2014/2 (Bruker AXS, 2014)'
_computing_structure_refinement  'SHELXL-2017/1 (Sheldrick, 2017)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'PHOTONII area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0482
_diffrn_reflns_av_unetI/netI     0.0393
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       33
_diffrn_reflns_limit_l_min       -33
_diffrn_reflns_number            28581
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.996
_diffrn_reflns_theta_min         1.615
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.796
_exptl_absorpt_correction_T_max  0.4389
_exptl_absorpt_correction_T_min  0.2585
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
; 
 Data were corrected for Lorentz polarization and absorption
 effects (empirical absorption correction SADABS).
 R(int) =  0.1560 (selected reflections only, before parameter refinement)
 R(int) =  0.0680 (selected reflections only, after parameter refinement)
;
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.442
_exptl_crystal_description       prism
_exptl_crystal_F_000             1056
_exptl_crystal_size_max          0.150
_exptl_crystal_size_mid          0.130
_exptl_crystal_size_min          0.100
_refine_diff_density_max         1.319
_refine_diff_density_min         -1.238
_refine_diff_density_rms         0.101
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.113
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     277
_refine_ls_number_reflns         5623
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.117
_refine_ls_R_factor_all          0.0485
_refine_ls_R_factor_gt           0.0430
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0228P)^2^+6.7385P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0930
_refine_ls_wR_factor_ref         0.0955
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5070
_reflns_number_total             5623
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5cy01493j2.cif
_cod_data_source_block           4b
_cod_depositor_comments
'Adding full bibliography for 1576417--1576424.cif.'
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               1576421
_shelx_shelxl_version_number     2017/1
_shelx_estimated_absorpt_t_min   0.890
_shelx_estimated_absorpt_t_max   0.925
_shelx_res_checksum              43928