A new class of anionic metallohelicates based on salicylic and terephthalic acid units, accessible in solution and by mechanochemistry.
Do, Jean-Louis; Titi, Hatem M.; Cuccia, Louis A.; Friščić, Tomislav; Chemical communications (Cambridge, England) 57 (2021) 5143–5146; doi:10.1039/d0cc08180a

data_7128188
_publ_section_title
;
 A new class of anionic metallohelicates based on salicylic and
 terephthalic acid units, accessible in solution and by mechanochemistry.
;
_journal_issue                   42
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              5143
_journal_page_last               5146
_journal_paper_doi               10.1039/d0cc08180a
_journal_volume                  57
_journal_year                    2021
_chemical_formula_sum            'C144 H170 Fe4 N48 O61'
_chemical_formula_weight         3772.67
_chemical_name_systematic
'(guanidinium)6Fe2(N,N'-bis(3-carboxylate-2-hydroxyphenyl)terephthalamide )3.7H2O'
_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   mixed
_atom_sites_solution_primary     iterative
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2017/1
_audit_update_record
;
2021-04-08 deposited with the CCDC.	2021-04-15 downloaded from the CCDC.
;
_cell_angle_alpha                89.584(4)
_cell_angle_beta                 74.544(3)
_cell_angle_gamma                77.368(4)
_cell_formula_units_Z            1
_cell_length_a                   14.1272(12)
_cell_length_b                   14.8356(14)
_cell_length_c                   20.7950(18)
_cell_measurement_reflns_used    10208
_cell_measurement_temperature    180(2)
_cell_measurement_theta_max      72.355
_cell_measurement_theta_min      3.057
_cell_volume                     4093.0(6)
_computing_cell_refinement       'Bruker APEX3'
_computing_data_collection       'Bruker APEX3'
_computing_data_reduction        'Bruker APEX3'
_computing_molecular_graphics    'Mercury 4.0 (Wood 2020)'
_computing_publication_material  'enCIFer 2020.2.0'
_computing_structure_refinement  'SHELXL-2017/1 (Sheldrick, 2017)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      180(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker AXS D8'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.1771
_diffrn_reflns_av_unetI/netI     0.0908
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            125279
_diffrn_reflns_point_group_measured_fraction_full 0.999
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_diffrn_reflns_theta_max         72.355
_diffrn_reflns_theta_min         3.057
_exptl_absorpt_coefficient_mu    3.711
_exptl_absorpt_correction_T_max  0.7536
_exptl_absorpt_correction_T_min  0.5090
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker AXScale'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.531
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Plate
_exptl_crystal_F_000             1962
_exptl_crystal_size_max          0.220
_exptl_crystal_size_mid          0.190
_exptl_crystal_size_min          0.040
_refine_diff_density_max         1.028
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_refine_diff_density_rms         0.098
_refine_ls_extinction_method     none
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_refine_ls_number_parameters     1214
_refine_ls_number_reflns         16141
_refine_ls_number_restraints     1056
_refine_ls_restrained_S_all      0.982
_refine_ls_R_factor_all          0.1383
_refine_ls_R_factor_gt           0.0804
_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^)+(0.0350P)^2^+23.9651P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1596
_refine_ls_wR_factor_ref         0.1952
_reflns_Friedel_coverage         0.000
_reflns_number_gt                10208
_reflns_number_total             16141
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0cc08180a2.cif
_cod_data_source_block           FeH4Ar
_cod_depositor_comments
'Adding full bibliography for 7128186--7128192.cif.'
_cod_database_code               7128188
_shelx_shelxl_version_number     2017/1
_shelx_estimated_absorpt_t_min   0.496
_shelx_estimated_absorpt_t_max   0.866
_shelx_res_checksum              62450