Steric augmentation of three-coordinate Cu(i) β-diketiminate isocyanide chromophores to achieve microsecond excited-state lifetime
Kumar, Ashish; Kim, Dooyoung; Dunphy, Sean P.; Lewis, Erin N.; Figueroa, Joshua S.; Teets, Thomas S.; Chemical Science  (2026) –; doi:10.1039/D5SC09786J

data_1576647
_publ_section_title
;
 Steric augmentation of three-coordinate Cu(i) &#x3b2;-diketiminate
 isocyanide chromophores to achieve microsecond excited-state lifetime.
;
_journal_issue                   15
_journal_name_full               'Chemical science'
_journal_page_first              7659
_journal_page_last               7666
_journal_paper_doi               10.1039/d5sc09786j
_journal_volume                  17
_journal_year                    2026
_chemical_formula_sum            'C36 H42 Cu N3'
_chemical_formula_weight         580.26
_space_group_crystal_system      monoclinic
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_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2025-06-20 deposited with the CCDC.	2026-02-17 downloaded from the CCDC.
;
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_diffrn_ambient_temperature      150(2)
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_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
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_diffrn_reflns_av_R_equivalents  0.1181
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_diffrn_reflns_Laue_measured_fraction_full 0.998
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_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.5710
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            yellow
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_exptl_crystal_description       plate
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_refine_ls_R_factor_all          0.1650
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0375P)^2^+0.7901P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0985
_refine_ls_wR_factor_ref         0.1267
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_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5sc09786j2.cif
_cod_data_source_block           ak20
_cod_depositor_comments
'Adding full bibliography for 1576646--1576653.cif.'
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               1576647
_shelx_shelxl_version_number     2018/3
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_shelx_res_checksum              2453