The carbene transfer to strong Lewis acids: copper is better than silver.
Mikhaylov, Vladimir N.; Kazakov, Igor V.; Parfeniuk, Tatiana N.; Khoroshilova, Olesya V.; Scheer, Manfred; Timoshkin, Alexey Y.; Balova, Irina A.; Dalton transactions (Cambridge, England : 2003) 50 (2021) 2872–2879; doi:10.1039/d1dt00235j

data_7706541
_publ_section_title
;
 The carbene transfer to strong Lewis acids: copper is better than silver.
;
_journal_issue                   8
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              2872
_journal_page_last               2879
_journal_paper_doi               10.1039/d1dt00235j
_journal_volume                  50
_journal_year                    2021
_chemical_formula_moiety         'C54 H72 Ag N4, Cl4 Ga'
_chemical_formula_sum            'C54 H72 Ag Cl4 Ga N4'
_chemical_formula_weight         1096.54
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
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Olex2 1.2
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2020-04-27 deposited with the CCDC.	2021-02-01 downloaded from the CCDC.
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_computing_cell_refinement
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CrysAlisPro, Agilent Technologies,
Version 1.171.36.32 (release 02-08-2013 CrysAlis171 .NET)
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_computing_data_collection
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CrysAlisPro, Agilent Technologies,
Version 1.171.36.32 (release 02-08-2013 CrysAlis171 .NET)
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CrysAlisPro, Agilent Technologies,
Version 1.171.36.32 (release 02-08-2013 CrysAlis171 .NET)
(compiled Aug  2 2013,16:46:58)
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_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
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_diffrn_ambient_temperature      100(2)
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_diffrn_measurement_details
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  1 omega  -55.00   29.00   1.0000   31.6300
omega____ theta____ kappa____ phi______ frames
    -      -25.4311   77.0000  120.0000 84

  2 omega  -96.00   15.00   1.0000   31.6300
omega____ theta____ kappa____ phi______ frames
    -      -25.4311  -19.0000  -60.0000 111

  3 omega    3.00   43.00   1.0000   31.6300
omega____ theta____ kappa____ phi______ frames
    -       26.3686  -57.0000  150.0000 40

  4 omega  -92.00  -35.00   1.0000   31.6300
omega____ theta____ kappa____ phi______ frames
    -      -25.4311 -178.0000 -180.0000 57

  5 omega  -63.00  -27.00   1.0000   31.6300
omega____ theta____ kappa____ phi______ frames
    -      -25.4311  -57.0000  150.0000 36

  6 omega  -88.00  -14.00   1.0000   31.6300
omega____ theta____ kappa____ phi______ frames
    -      -25.4311  -57.0000   90.0000 74

  7 omega  -90.00  -63.00   1.0000   31.6300
omega____ theta____ kappa____ phi______ frames
    -      -25.4311  -57.0000   60.0000 27
;
_diffrn_measurement_device_type  'Xcalibur, Eos'
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_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0289
_diffrn_reflns_av_unetI/netI     0.0323
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_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       26
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_diffrn_reflns_number            28813
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_exptl_absorpt_coefficient_mu    1.074
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_exptl_absorpt_correction_T_min  0.95511
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
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CrysAlisPro, Agilent Technologies,
Version 1.171.36.32 (release 02-08-2013 CrysAlis171 .NET)
(compiled Aug  2 2013,16:46:58)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
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_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.319
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_exptl_crystal_size_mid          0.31
_exptl_crystal_size_min          0.26
_refine_diff_density_max         1.674
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_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
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_refine_ls_number_reflns         8917
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.239
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_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0161P)^2^+30.0903P] where P=(Fo^2^+2Fc^2^)/3'
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_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1dt00235j2.cif
_cod_data_source_block           kaz_gacl4ipr2ag
_cod_depositor_comments
'Adding full bibliography for 7706540--7706543.cif.'
_cod_original_cell_volume        5520.40(17)
_cod_database_code               7706541
_shelx_shelxl_version_number     2014/7
_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
2.a Ternary CH refined with riding coordinates:
 C00C(H00C), C00I(H00I), C00J(H00J), C00K(H00K)
2.b Aromatic/amide H refined with riding coordinates:
 C008(H008), C00A(H00A), C00E(H00E), C00F(H00F), C00G(H00G), C00N(H00N),
 C00R(H00S), C00S(H00T)
2.c Idealised Me refined as rotating group:
 C00L(H00B,H00D,H00H), C00P(H00L,H00M,H00O), C00Q(H00P,H00Q,H00R), C00T(H00U,
 H00V,H00W), C00U(H00X,H00Y,H), C00V(H00Z,HA,HB), C00W(H00,HC,HD), C00X(H0AA,HE,
 HF)
;
_shelx_res_checksum              42302
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_olex2_date_sample_data_collection 2019-07-02
_olex2_submission_special_instructions 'No special instructions were received'