The kinetics and mechanism of interconversion within a system of [Fe<sub>2</sub>L<sub>3</sub>]<sup>4+</sup> helicates and [Fe<sub>4</sub>L<sub>6</sub>]<sup>8+</sup> cages.
Siddique, Rashid G.; Arachchige, Kasun S. A.; Al-Fayaad, Hydar A; Brock, Aidan J.; Micallef, Aaron S.; Luis, Ena T.; Thoburn, John D.; McMurtrie, John C.; Clegg, Jack K.; Chemical communications (Cambridge, England) 57 (2021) 4918–4921; doi:10.1039/d1cc01583d

data_7128169
_publ_section_title
;
 The kinetics and mechanism of interconversion within a system of
 [Fe<sub>2</sub>L<sub>3</sub>]<sup>4+</sup> helicates and
 [Fe<sub>4</sub>L<sub>6</sub>]<sup>8+</sup> cages.
;
_journal_issue                   40
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              4918
_journal_page_last               4921
_journal_paper_doi               10.1039/d1cc01583d
_journal_volume                  57
_journal_year                    2021
_chemical_formula_moiety         'C36 H34 N4 Si2'
_chemical_formula_sum            'C36 H34 N4 Si2'
_chemical_formula_weight         578.85
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2020-07-09
_audit_creation_method
;
Olex2 1.3
(compiled 2020.06.28 svn.raecde09e for OlexSys, GUI svn.r6132)
;
_audit_update_record
;
2020-07-23 deposited with the CCDC.	2021-04-13 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 99.74(3)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   7.3560(15)
_cell_length_b                   15.326(3)
_cell_length_c                   14.709(3)
_cell_measurement_reflns_used    26585
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.278
_cell_measurement_theta_min      1.934
_cell_volume                     1634.4(6)
_computing_cell_refinement       'XDS (Kabsch, 1993)'
_computing_data_collection       'AS QEGUI'
_computing_data_reduction        'XDS (Kabsch, 1993)'
_computing_molecular_graphics    'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.974
_diffrn_measured_fraction_theta_max 0.965
_diffrn_measurement_device_type  'Dectris Eiger 9M'
_diffrn_measurement_method       'Omega Scan'
_diffrn_radiation_monochromator  'Silicon Double Crystal'
_diffrn_radiation_source         'MX1 Beamline Australian Synchrotron'
_diffrn_radiation_type           synchrotron
_diffrn_radiation_wavelength     0.7108
_diffrn_reflns_av_R_equivalents  0.0488
_diffrn_reflns_av_unetI/netI     0.0269
_diffrn_reflns_Laue_measured_fraction_full 0.974
_diffrn_reflns_Laue_measured_fraction_max 0.965
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            26585
_diffrn_reflns_point_group_measured_fraction_full 0.974
_diffrn_reflns_point_group_measured_fraction_max 0.965
_diffrn_reflns_theta_full        26.000
_diffrn_reflns_theta_max         28.278
_diffrn_reflns_theta_min         1.934
_diffrn_source                   Synchrotron
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.139
_exptl_absorpt_correction_T_max  28.278
_exptl_absorpt_correction_T_min  1.934
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'XDS (Kabsch, 1993)'
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.176
_exptl_crystal_description       plate
_exptl_crystal_F_000             612
_exptl_crystal_size_max          0.07
_exptl_crystal_size_mid          0.03
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.381
_refine_diff_density_min         -0.638
_refine_diff_density_rms         0.070
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.063
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     193
_refine_ls_number_reflns         3917
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.063
_refine_ls_R_factor_all          0.0555
_refine_ls_R_factor_gt           0.0506
_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^)+(0.0884P)^2^+0.8462P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1409
_refine_ls_wR_factor_ref         0.1461
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3506
_reflns_number_total             3917
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1cc01583d2.cif
_cod_data_source_block           bpy-pro
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_absorpt_correction_type' value 'Multi-Scan' was
changed to 'multi-scan' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 7556 2019-12-06 15:28:31Z antanas 

 Adding full bibliography for 7128164--7128169.cif.
;
_cod_database_code               7128169
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.997
_shelx_estimated_absorpt_t_min   0.990
_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 Aromatic/amide H refined with riding coordinates:
 C12(H12), C10(H10), C4(H4), C7(H7), C8(H8), C3(H3), C2(H2), C1(H1)
2.b Idealised Me refined as rotating group:
 C18(H18A,H18B,H18C), C16(H16A,H16B,H16C), C17(H17A,H17B,H17C)
;
_shelx_res_checksum              5598
_shelx_hkl_checksum              10832
_olex2_submission_special_instructions 'No special instructions were received'