Trinuclear zinc calix[4]arenes: synthesis, structure, and ring opening polymerization studies.
Xing, Tian; Frese, Josef W. A.; Derbyshire, Max; Glenister, Mollie A.; Elsegood, Mark R. J.; Redshaw, Carl; Dalton transactions (Cambridge, England : 2003)  (2022) –; doi:10.1039/d2dt01496c

data_7710704
_publ_section_title
;
 Trinuclear zinc calix[4]arenes: synthesis, structure, and ring opening
 polymerization studies.
;
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_paper_doi               10.1039/d2dt01496c
_journal_year                    2022
_chemical_formula_moiety         'C96 H122 O12 Zn3, 7.5(C2 H3 N)'
_chemical_formula_sum            'C111 H144.5 N7.5 O12 Zn3'
_chemical_formula_weight         1971.94
_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
_atom_sites_solution_primary     iterative
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2022-06-15 deposited with the CCDC.	2022-07-11 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 105.0808(11)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   18.65096(9)
_cell_length_b                   23.45772(11)
_cell_length_c                   25.30949(11)
_cell_measurement_reflns_used    95120
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      70.32
_cell_measurement_theta_min      2.68
_cell_volume                     10691.77(10)
_computing_cell_refinement       'CrysAlisPro 1.171.41.108a (Rigaku OD, 2021)'
_computing_data_collection       'CrysAlisPro 1.171.41.108a (Rigaku OD, 2021)'
_computing_data_reduction        'CrysAlisPro 1.171.41.108a (Rigaku OD, 2021)'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT-2018/2 (Sheldrick, 2015)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 10
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type
; 
Rigaku 007HF equipped with Varimax confocal mirrors and 
an AFC11 goniometer and HyPix 6000 detector 
;
_diffrn_measurement_method       'profile data from \w-scans'
_diffrn_radiation_collimation    0.3
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0418
_diffrn_reflns_av_unetI/netI     0.0161
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            220385
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.995
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         70.446
_diffrn_reflns_theta_min         2.453
_diffrn_source                   'Rotating anode'
_exptl_absorpt_coefficient_mu    1.268
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.719
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
CrysAlisPro 1.171.41.108a (Rigaku Oxford Diffraction, 2021) 
Empirical absorption correction using spherical harmonics, 
implemented in SCALE3 ABSPACK scaling algorithm. 
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.225
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             4196
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: acetonitrile'
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.09
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.626
_refine_diff_density_min         -0.646
_refine_diff_density_rms         0.048
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.033
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1164
_refine_ls_number_reflns         20336
_refine_ls_number_restraints     402
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.0443
_refine_ls_R_factor_gt           0.0408
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0619P)^2^+6.7220P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1146
_refine_ls_wR_factor_ref         0.1176
_reflns_Friedel_coverage         0.000
_reflns_number_gt                18518
_reflns_number_total             20336
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2dt01496c2.cif
_cod_data_source_block           1dot7andahalfMeCN
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_original_formula_sum        'C111 H144.50 N7.50 O12 Zn3'
_cod_database_code               7710704
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.884
_shelx_estimated_absorpt_t_max   0.951
_shelx_res_checksum              89009
_shelx_fab_checksum              42554