Structural snapshots of an Al-Cu bond-mediated transformation of terminal acetylenes.
Liu, Han-Ying; Neale, Samuel E.; Hill, Michael S.; Mahon, Mary F.; McMullin, Claire L.; Chemical science 14 (2023) 2866–2876; doi:10.1039/d3sc00240c

data_1568433
_publ_section_title
;
 Structural snapshots of an Al-Cu bond-mediated transformation of terminal
 acetylenes.
;
_journal_issue                   11
_journal_name_full               'Chemical science'
_journal_page_first              2866
_journal_page_last               2876
_journal_paper_doi               10.1039/d3sc00240c
_journal_volume                  14
_journal_year                    2023
_chemical_formula_moiety         'C63 H92 Al Cu N4 Si2, 2(C6 H6)'
_chemical_formula_sum            'C75 H104 Al Cu N4 Si2'
_chemical_formula_weight         1208.32
_space_group_crystal_system      orthorhombic
_space_group_IT_number           60
_space_group_name_Hall           '-P 2n 2ab'
_space_group_name_H-M_alt        'P b c n'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2022-02-15
_audit_creation_method
;
Olex2 1.5
(compiled 2021.12.09 svn.r5202d8cf for OlexSys, GUI svn.r6439)
;
_audit_update_record
;
2023-01-04 deposited with the CCDC.	2023-02-15 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   15.02360(10)
_cell_length_b                   21.96180(10)
_cell_length_c                   21.1294(2)
_cell_measurement_reflns_used    24533
_cell_measurement_temperature    150.00(10)
_cell_measurement_theta_max      72.7250
_cell_measurement_theta_min      4.5290
_cell_volume                     6971.55(9)
_computing_cell_refinement       'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_data_collection       'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_data_reduction        'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2014/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      150.00(10)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 8.1150
_diffrn_detector_type            EosS2
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at home/near, EosS2'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0557
_diffrn_reflns_av_unetI/netI     0.0251
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            80334
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         72.963
_diffrn_reflns_theta_min         3.564
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'SuperNova (Cu) X-ray Source'
_exptl_absorpt_coefficient_mu    1.213
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.95229
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.39.46 (Rigaku Oxford Diffraction, 2018)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.151
_exptl_crystal_description       block
_exptl_crystal_F_000             2608
_exptl_crystal_size_max          0.164
_exptl_crystal_size_mid          0.085
_exptl_crystal_size_min          0.066
_refine_diff_density_max         0.266
_refine_diff_density_min         -0.505
_refine_diff_density_rms         0.043
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.024
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     388
_refine_ls_number_reflns         6963
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.024
_refine_ls_R_factor_all          0.0424
_refine_ls_R_factor_gt           0.0351
_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^)+(0.0525P)^2^+2.1973P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0917
_refine_ls_wR_factor_ref         0.0965
_reflns_Friedel_coverage         0.000
_reflns_number_gt                6006
_reflns_number_total             6963
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3sc00240c2.cif
_cod_data_source_block           s21msh80
_cod_depositor_comments
'Adding full bibliography for 1568428--1568438.cif.'
_cod_database_code               1568433
_shelxl_version_number           2014-3
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Ternary CH refined with riding coordinates:
 C17(H17), C7(H7), C10(H10)
2.b Secondary CH2 refined with riding coordinates:
 C15(H15A,H15B)
2.c Aromatic/amide H refined with riding coordinates:
 C3(H3), C5(H5), C26(H26), C4(H4), C28(H28), C37(H37), C38(H38), C33(H33),
 C34(H34), C36(H36), C35(H35)
2.d Idealised Me refined as rotating group:
 C30(H30A,H30B,H30C), C18(H18A,H18B,H18C), C13(H13A,H13B,H13C), C32(H32A,H32B,
 H32C), C14(H14A,H14B,H14C), C19(H19A,H19B,H19C), C11(H11A,H11B,H11C), C21(H21A,
 H21B,H21C), C31(H31A,H31B,H31C), C9(H9A,H9B,H9C), C8(H8A,H8B,H8C), C12(H12A,
 H12B,H12C)
;
_shelx_res_checksum              17574
_shelx_hkl_checksum              12471