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_1576420
_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_absolute_configuration ad
_chemical_formula_sum            'C19 H23 Cl2 N Ru'
_chemical_formula_weight         437.35
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_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                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.1021(6)
_cell_length_b                   11.0511(8)
_cell_length_c                   18.3886(13)
_cell_measurement_reflns_used    9997
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.143
_cell_measurement_theta_min      2.215
_cell_volume                     1849.7(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 0.998
_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  0.0537
_diffrn_reflns_av_unetI/netI     0.0375
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            22191
_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         26.995
_diffrn_reflns_theta_min         2.150
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    1.135
_exptl_absorpt_correction_T_max  0.5628
_exptl_absorpt_correction_T_min  0.3985
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
; 
 Data were corrected for Lorentz polarization and absorption
 effects (empirical absorption correction SADABS).
 R(int) =  0.1417 (selected reflections only, before parameter refinement)
 R(int) =  0.0727 (selected reflections only, after parameter refinement)
;
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.571
_exptl_crystal_description       prism
_exptl_crystal_F_000             888
_exptl_crystal_size_max          0.130
_exptl_crystal_size_mid          0.110
_exptl_crystal_size_min          0.080
_refine_diff_density_max         1.247
_refine_diff_density_min         -1.127
_refine_diff_density_rms         0.150
_refine_ls_abs_structure_details
;
 Flack x determined using 1578 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.03(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.240
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     212
_refine_ls_number_reflns         4024
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.240
_refine_ls_R_factor_all          0.0440
_refine_ls_R_factor_gt           0.0426
_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^)+(0.0311P)^2^+5.7420P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0973
_refine_ls_wR_factor_ref         0.0979
_reflns_Friedel_coverage         0.745
_reflns_Friedel_fraction_full    0.999
_reflns_Friedel_fraction_max     0.993
_reflns_number_gt                3916
_reflns_number_total             4024
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5cy01493j2.cif
_cod_data_source_block           1c
_cod_depositor_comments
'Adding full bibliography for 1576417--1576424.cif.'
_cod_database_code               1576420
_shelx_shelxl_version_number     2017/1
_shelx_estimated_absorpt_t_min   0.866
_shelx_estimated_absorpt_t_max   0.915
_shelx_res_checksum              80021