Versatile assembly of p-carboxylatocalix[4]arene-O-alkyl ethers.
Kennedy, Stuart; Teat, Simon J.; Dalgarno, Scott J.; Dalton transactions (Cambridge, England : 2003) 39 (2010) 384–387; doi:10.1039/b914133b

data_7024272
_publ_section_title
;
 Versatile assembly of p-carboxylatocalix[4]arene-O-alkyl ethers.
;
_journal_issue                   2
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              384
_journal_page_last               387
_journal_paper_doi               10.1039/b914133b
_journal_volume                  39
_journal_year                    2010
_chemical_formula_moiety         'C44 H48 O8'
_chemical_formula_sum            'C44 H48 O8'
_chemical_formula_weight         704.82
_chemical_name_common            'Formyl OPr C4 Cone'
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 98.950(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.6194(8)
_cell_length_b                   17.1198(11)
_cell_length_c                   17.4385(10)
_cell_measurement_temperature    100(2)
_cell_volume                     3721.6(4)
_computing_cell_refinement       'SAINT (Bruker, 1998)'
_computing_data_collection       'Apex II'
_computing_data_reduction        'SAINT (Bruker, 1998)'
_computing_molecular_graphics    'XSeed (Barbour, 2001)'
_computing_publication_material  'local program'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker Nonius X8 Apex 2'
_diffrn_measurement_method       "'phi & omega 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  0.0365
_diffrn_reflns_av_sigmaI/netI    0.0357
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            17274
_diffrn_reflns_theta_full        20.86
_diffrn_reflns_theta_max         20.86
_diffrn_reflns_theta_min         2.38
_exptl_absorpt_coefficient_mu    0.086
_exptl_absorpt_correction_T_max  0.9831
_exptl_absorpt_correction_T_min  0.9193
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   Bruker-SADABS
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.258
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             1504
_exptl_crystal_size_max          1.00
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.731
_refine_diff_density_min         -0.375
_refine_diff_density_rms         0.056
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.047
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     473
_refine_ls_number_reflns         3907
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.047
_refine_ls_R_factor_all          0.0958
_refine_ls_R_factor_gt           0.0641
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0821P)^2^+8.8160P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1609
_refine_ls_wR_factor_ref         0.1871
_reflns_number_gt                2813
_reflns_number_total             3907
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b914133b.txt
_cod_data_source_block           FormPropC4
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               7024272