Lithium calix[4]arenes: structural studies and use in the ring opening polymerization of cyclic esters
Santoro, Orlando; Elsegood, Mark R. J.; Teat, Simon J.; Yamato, Takehiko; Redshaw, Carl; RSC Advances 11 (2021) 11304–11317; doi:10.1039/D1RA00175B

data_7242426
_publ_section_title
;
 Lithium calix[4]arenes: structural studies and use in the ring opening
 polymerization of cyclic esters
;
_journal_issue                   19
_journal_name_full               'RSC Advances'
_journal_page_first              11304
_journal_page_last               11317
_journal_paper_doi               10.1039/D1RA00175B
_journal_volume                  11
_journal_year                    2021
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C104 H138 Li5 Na O27.78 S8, 7.5(C4 H8 O)'
_chemical_formula_sum            'C134 H198 Li5 Na O35.28 S8'
_chemical_formula_weight         2687.55
_space_group_crystal_system      monoclinic
_space_group_IT_number           5
_space_group_name_Hall           'C 2y'
_space_group_name_H-M_alt        'C 1 2 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     iterative
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2021-03-03 deposited with the CCDC.	2021-03-08 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 99.9979(5)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   38.167(3)
_cell_length_b                   20.3517(14)
_cell_length_c                   18.4867(13)
_cell_measurement_reflns_used    99412
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      2.2
_cell_volume                     14141.7(18)
_computing_cell_refinement
; 
Rigaku CrystalClear-SM Expert 3.1 b27 
;
_computing_data_collection
; 
Rigaku CrystalClear-SM Expert 3.1 b27 
;
_computing_data_reduction
; 
Rigaku CrystalClear-SM Expert 3.1 b27 
;
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2014/4 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 28.5714
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device
;
AFC12 (Right): Kappa 3 circle
;
_diffrn_measurement_device_type
;
Rigaku Saturn724+ (2x2 bin mode)
;
_diffrn_measurement_method       'profile data from \w-scans'
_diffrn_radiation_monochromator  Graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0474
_diffrn_reflns_av_unetI/netI     0.0340
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       49
_diffrn_reflns_limit_h_min       -49
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            98566
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_diffrn_reflns_point_group_measured_fraction_max 0.992
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.531
_diffrn_reflns_theta_min         2.237
_diffrn_source                   'Sealed Tube'
_exptl_absorpt_coefficient_mu    0.203
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.672
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
CrystalClear-SM Expert 3.1 b27 (Rigaku, 20112)
;
_exptl_crystal_colour            'Light Yellow'
_exptl_crystal_density_diffrn    1.262
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             5753
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: tetrahydrfuran'
_exptl_crystal_size_max          0.250
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.120
_refine_diff_density_max         1.166
_refine_diff_density_min         -0.397
_refine_diff_density_rms         0.081
_refine_ls_abs_structure_details
; 
 Refined as an inversion twin. 
;
_refine_ls_abs_structure_Flack   0.21(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.054
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1657
_refine_ls_number_reflns         32341
_refine_ls_number_restraints     1376
_refine_ls_restrained_S_all      1.075
_refine_ls_R_factor_all          0.0663
_refine_ls_R_factor_gt           0.0632
_refine_ls_shift/su_max          0.017
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1273P)^2^+7.0155P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1717
_refine_ls_wR_factor_ref         0.1762
_reflns_Friedel_coverage         0.939
_reflns_Friedel_fraction_full    0.997
_reflns_Friedel_fraction_max     0.989
_reflns_number_gt                30584
_reflns_number_total             32341
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1ra00175b2.cif
_cod_data_source_block           4
_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 
;
_cod_original_sg_symbol_H-M      'C 2'
_cod_database_code               7242426
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.951
_shelx_estimated_absorpt_t_max   0.976
_shelx_res_checksum              95568
_shelx_fab_checksum              99555