A twist on a classic scaffold: rational design of a new bimetallic platform.
Rumi, Sultana P.; Zakharov, Lev N.; Desnoyer, Addison N.; Dalton transactions (Cambridge, England : 2003) 53 (2024) 18828–18833; doi:10.1039/d4dt01840k

data_7716789
_publ_section_title
;
 A twist on a classic scaffold: rational design of a new bimetallic
 platform.
;
_journal_issue                   47
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              18828
_journal_page_last               18833
_journal_paper_doi               10.1039/d4dt01840k
_journal_volume                  53
_journal_year                    2024
_chemical_formula_moiety         'C50 H112 Li4 N6 O4 Si4'
_chemical_formula_sum            'C50 H112 Li4 N6 O4 Si4'
_chemical_formula_weight         1001.57
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2024-06-21
_audit_creation_method
;
Olex2 1.5
(compiled 2024.01.12 svn.r2f8d729c for OlexSys, GUI svn.r6928)
;
_audit_update_record
;
2024-06-24 deposited with the CCDC.	2024-07-31 downloaded from the CCDC.
;
_cell_angle_alpha                97.960(2)
_cell_angle_beta                 98.394(2)
_cell_angle_gamma                100.035(3)
_cell_formula_units_Z            1
_cell_length_a                   10.3186(3)
_cell_length_b                   11.5334(4)
_cell_length_c                   13.9949(3)
_cell_measurement_reflns_used    3461
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      70.067
_cell_measurement_theta_min      3.503
_cell_volume                     1599.33(8)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.955
_diffrn_measurement_device_type  'Rigaku Synergy S'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0673
_diffrn_reflns_av_unetI/netI     0.0679
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.955
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            18236
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.955
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         76.166
_diffrn_reflns_theta_min         3.238
_diffrn_source                   'micro-focus tube'
_exptl_absorpt_coefficient_mu    1.171
_exptl_absorpt_correction_T_max  0.608
_exptl_absorpt_correction_T_min  0.169
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.040
_exptl_crystal_description       cut-block
_exptl_crystal_F_000             554
_exptl_crystal_size_max          0.08
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.569
_refine_diff_density_min         -0.428
_refine_diff_density_rms         0.052
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.058
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     435
_refine_ls_number_reflns         6392
_refine_ls_number_restraints     555
_refine_ls_restrained_S_all      1.073
_refine_ls_R_factor_all          0.1183
_refine_ls_R_factor_gt           0.0826
_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^)+(0.1420P)^2^+0.6256P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2308
_refine_ls_wR_factor_ref         0.2722
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4280
_reflns_number_total             6392
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4dt01840k2.cif
_cod_data_source_block           and14
_cod_depositor_comments
'Adding full bibliography for 7716783--7716789.cif.'
_cod_database_code               7716789
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_max   0.955
_shelx_estimated_absorpt_t_min   0.912
_olex2_refinement_description
;
1. Restrained distances
 Si1-C6 = Si1-C7 = Si1-C8 = Si1A-C6A = Si1A-C7A = Si1A-C8A
 1.863 with sigma of 0.02
 Si2-C12 = Si2-C13 = Si2-C14 = Si2A-C12A = Si2A-C13A = Si2A-C14A
 1.863 with sigma of 0.02
 C8-C9 = C8-C10 = C8-C11 = C8A-C9A = C8A-C10A = C8A-C11A
 1.53 with sigma of 0.02
 C14-C15 = C14-C16 = C14-C17 = C14A-C15A = C14A-C16A = C14A-C17A
 1.53 with sigma of 0.02
2. Rigid body (RIGU) restrains
 All non-hydrogen atoms
 with sigma for 1-2 distances of 0.004 and sigma for 1-3 distances of 0.004
3. Others
 Sof(Si1A)=Sof(C6A)=Sof(H6AA)=Sof(H6AB)=Sof(H6AC)=Sof(C7A)=Sof(H7AA)=Sof(H7AB)=
 Sof(H7AC)=Sof(C8A)=Sof(C9A)=Sof(H9AA)=Sof(H9AB)=Sof(H9AC)=Sof(C10A)=Sof(H10D)=
 Sof(H10E)=Sof(H10F)=Sof(C11A)=Sof(H11D)=Sof(H11E)=Sof(H11F)=1-FVAR(1)
 Sof(Si1)=Sof(C6)=Sof(H6A)=Sof(H6B)=Sof(H6C)=Sof(C7)=Sof(H7A)=Sof(H7B)=
 Sof(H7C)=Sof(C8)=Sof(C9)=Sof(H9A)=Sof(H9B)=Sof(H9C)=Sof(C10)=Sof(H10A)=
 Sof(H10B)=Sof(H10C)=Sof(C11)=Sof(H11A)=Sof(H11B)=Sof(H11C)=FVAR(1)
 Sof(Si2A)=Sof(C12A)=Sof(H12D)=Sof(H12E)=Sof(H12F)=Sof(C13A)=Sof(H13D)=
 Sof(H13E)=Sof(H13F)=Sof(C14A)=Sof(C15A)=Sof(H15D)=Sof(H15E)=Sof(H15F)=
 Sof(C16A)=Sof(H16D)=Sof(H16E)=Sof(H16F)=Sof(C17A)=Sof(H17D)=Sof(H17E)=
 Sof(H17F)=1-FVAR(2)
 Sof(Si2)=Sof(C12)=Sof(H12A)=Sof(H12B)=Sof(H12C)=Sof(C13)=Sof(H13A)=Sof(H13B)=
 Sof(H13C)=Sof(C14)=Sof(C15)=Sof(H15A)=Sof(H15B)=Sof(H15C)=Sof(C16)=Sof(H16A)=
 Sof(H16B)=Sof(H16C)=Sof(C17)=Sof(H17A)=Sof(H17B)=Sof(H17C)=FVAR(2)
4.a Secondary CH2 refined with riding coordinates:
 C1(H1A,H1B), C2(H2A,H2B), C3(H3A,H3B), C4(H4A,H4B), C5(H5A,H5B), C18(H18A,
 H18B), C19(H19A,H19B), C20(H20A,H20B), C21(H21A,H21B), C22(H22A,H22B),
 C23(H23A,H23B), C24(H24A,H24B), C25(H25A,H25B)
4.b Me refined with riding coordinates:
 C6(H6A,H6B,H6C), C7(H7A,H7B,H7C), C9(H9A,H9B,H9C), C10(H10A,H10B,H10C),
 C11(H11A,H11B,H11C), C6A(H6AA,H6AB,H6AC), C7A(H7AA,H7AB,H7AC), C9A(H9AA,H9AB,
 H9AC), C10A(H10D,H10E,H10F), C11A(H11D,H11E,H11F), C12(H12A,H12B,H12C),
 C13(H13A,H13B,H13C), C15(H15A,H15B,H15C), C16(H16A,H16B,H16C), C17(H17A,H17B,
 H17C), C12A(H12D,H12E,H12F), C13A(H13D,H13E,H13F), C15A(H15D,H15E,H15F),
 C16A(H16D,H16E,H16F), C17A(H17D,H17E,H17F)
;
_shelx_res_checksum              5413
_shelx_hkl_checksum              26075
_olex2_submission_special_instructions 'No special instructions were received'