Assembly of calix[4]arene carboxylic acid derivatives by hydrogen bonding
Xiao, Zufeng; Yang, Weiping; Yan, Fengyi; Ji, Lingbo; Li, Wei; Wang, Wei; CrystEngComm 21 (2019) 439–; doi:10.1039/C8CE01655K

data_7231935
_publ_section_title
;
 Assembly of calix[4]arene carboxylic acid derivatives by hydrogen bonding
;
_journal_issue                   3
_journal_name_full               CrystEngComm
_journal_page_first              439
_journal_paper_doi               10.1039/C8CE01655K
_journal_volume                  21
_journal_year                    2019
_chemical_formula_moiety         'C44 H48 O12'
_chemical_formula_sum            'C44 H48 O12'
_chemical_formula_weight         768.82
_space_group_IT_number           81
_space_group_name_Hall           'P -4'
_space_group_name_H-M_alt        'P -4'
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'P -4'
_symmetry_space_group_name_H-M   'P -4'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2015-10-21 deposited with the CCDC.
2018-12-03 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   17.9565(16)
_cell_length_b                   17.9565(16)
_cell_length_c                   12.1543(11)
_cell_measurement_reflns_used    4870
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      23.57
_cell_measurement_theta_min      2.32
_cell_volume                     3919.0(6)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0424
_diffrn_reflns_av_sigmaI/netI    0.0456
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            23011
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.13
_exptl_absorpt_coefficient_mu    0.095
_exptl_absorpt_correction_T_max  0.9906
_exptl_absorpt_correction_T_min  0.9813
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.303
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1632
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.144
_refine_diff_density_min         -0.157
_refine_diff_density_rms         0.033
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.4(13)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.000
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     522
_refine_ls_number_reflns         6901
_refine_ls_number_restraints     4
_refine_ls_restrained_S_all      1.001
_refine_ls_R_factor_all          0.0627
_refine_ls_R_factor_gt           0.0400
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0505P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0880
_refine_ls_wR_factor_ref         0.0958
_reflns_number_gt                5381
_reflns_number_total             6901
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c8ce01655k2.cif
_cod_data_source_block           5
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Tetragonal' changed to 'tetragonal'
according to
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 

 Adding full bibliography for 7231928--7231935.cif.
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_cod_database_code               7231935