One-Step Synthesis of <i>C</i><sub>2v</sub>-Symmetric Resorcin[4]arene Tetraethers.
Smith, Jordan N.; Brind, Thomasin K.; Petrie, Simon B.; Grant, Mikaela S.; Lucas, Nigel T.; The Journal of organic chemistry 85 (2020) 4574–4580; doi:10.1021/acs.joc.0c00128

data_4038011
_publ_section_title
;
 One-Step Synthesis of <i>C</i><sub>2v</sub>-Symmetric Resorcin[4]arene
 Tetraethers.
;
_journal_issue                   6
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              4574
_journal_page_last               4580
_journal_paper_doi               10.1021/acs.joc.0c00128
_journal_volume                  85
_journal_year                    2020
_chemical_formula_moiety         'C48 H64 O8, C2 H3 N1, C1 H1 Cl3'
_chemical_formula_sum            'C51 H68 Cl3 N O8'
_chemical_formula_weight         929.41
_chemical_name_systematic
;
2,4,6,8-Tetra(isobutyl)-3^4^,3^6^,7^4^,7^6^-tetramethoxy-
1,3,5,7(1,3)-tetrabenzenacyclooctaphane-1^4^,1^6^,5^4^,5^6^-tetrol 
;
_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_block_code                ntl1915
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                73.814(4)
_cell_angle_beta                 74.718(4)
_cell_angle_gamma                89.583(4)
_cell_formula_units_Z            2
_cell_length_a                   10.0957(6)
_cell_length_b                   16.5247(7)
_cell_length_c                   16.6164(7)
_cell_measurement_reflns_used    9495
_cell_measurement_temperature    100.0(1)
_cell_measurement_theta_max      73.1380
_cell_measurement_theta_min      4.5360
_cell_volume                     2561.5(2)
_computing_cell_refinement       'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_data_collection       'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_data_reduction        'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_molecular_graphics    'Mercury CSD 4.0 (CCDC, 2018)'
_computing_publication_material  'enCIFer 1.7 (CCDC, 2018)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXT-2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100.0(1)
_diffrn_detector_area_resol_mean 10.3449
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.963
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, Atlas'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0234
_diffrn_reflns_av_unetI/netI     0.0265
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.963
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            18571
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.963
_diffrn_reflns_theta_full        67.000
_diffrn_reflns_theta_max         73.091
_diffrn_reflns_theta_min         4.551
_diffrn_source                   'micro-focus sealed X-ray tube'
_exptl_absorpt_coefficient_mu    2.026
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.318
_exptl_absorpt_correction_type   gaussian
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.39.46 (Rigaku Oxford Diffraction, 2018)
Numerical absorption correction based on gaussian integration over
a multifaceted crystal model.
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.205
_exptl_crystal_description       needle
_exptl_crystal_F_000             992
_exptl_crystal_preparation
; 
Crystals were grown by diffusion of acetonitrile into a 
dichloromethane/chloroform solution at rt.  
;
_exptl_crystal_size_max          0.480
_exptl_crystal_size_mid          0.360
_exptl_crystal_size_min          0.170
_refine_diff_density_max         1.287
_refine_diff_density_min         -0.665
_refine_diff_density_rms         0.056
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.066
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     639
_refine_ls_number_reflns         9886
_refine_ls_number_restraints     63
_refine_ls_restrained_S_all      1.125
_refine_ls_R_factor_all          0.0568
_refine_ls_R_factor_gt           0.0515
_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^)+(0.0824P)^2^+1.2562P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1416
_refine_ls_wR_factor_ref         0.1480
_reflns_Friedel_coverage         0.000
_reflns_number_gt                8699
_reflns_number_total             9886
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo0c00128_si_002.cif
_cod_data_source_block           5e
_cod_depositor_comments
'Adding full bibliography for 4038011--4038014.cif.'
_cod_database_code               4038011
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.443
_shelx_estimated_absorpt_t_max   0.724
_shelx_res_checksum              20429
_shelx_hkl_checksum              37205