Main-Chain Calixarene Polymers: Conformational Effects on Polymerization
Yang, Yong; Swager, Timothy M.; Macromolecules 39 (2006) 2013–; doi:10.1021/ma052630x

data_1505771
_publ_section_title
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 Main-Chain Calixarene Polymers:&#x00A0; Conformational Effects on
 Polymerization
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_journal_issue                   6
_journal_name_full               Macromolecules
_journal_page_first              2013
_journal_paper_doi               10.1021/ma052630x
_journal_volume                  39
_journal_year                    2006
_chemical_formula_moiety         'C70 H84 O4, 0.5(C H Cl3)'
_chemical_formula_sum            'C70.5 H84.5 Cl1.5 O4'
_chemical_formula_weight         1049.06
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 102.285(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.4110(12)
_cell_length_b                   20.9556(17)
_cell_length_c                   20.7622(17)
_cell_measurement_reflns_used    7623
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.24
_cell_measurement_theta_min      2.42
_cell_volume                     6126.4(9)
_computing_cell_refinement       'SAINT 5 (Bruker-AXS, 2003)'
_computing_data_collection       'SMART 5 (Bruker-AXS, 2003)'
_computing_data_reduction        'SAINT 5 (Bruker-AXS, 2003)'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker Smart APEX CCD'
_diffrn_measurement_method       'omega and phi 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  0.0687
_diffrn_reflns_av_sigmaI/netI    0.0348
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            68687
_diffrn_reflns_theta_full        21.97
_diffrn_reflns_theta_max         21.97
_diffrn_reflns_theta_min         1.85
_exptl_absorpt_coefficient_mu    0.131
_exptl_absorpt_correction_T_max  0.9909
_exptl_absorpt_correction_T_min  0.9617
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.137
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2260
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.407
_refine_diff_density_min         -0.433
_refine_diff_density_rms         0.064
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.215
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     786
_refine_ls_number_reflns         7469
_refine_ls_number_restraints     1116
_refine_ls_restrained_S_all      1.145
_refine_ls_R_factor_all          0.0996
_refine_ls_R_factor_gt           0.0868
_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^)+(0.0249P)^2^+25.3085P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1940
_refine_ls_wR_factor_ref         0.2000
_reflns_number_gt                6265
_reflns_number_total             7469
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ma052630xsi20051208_102218.cif
_cod_data_source_block           04219
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_original_formula_sum        'C70.50 H84.50 Cl1.50 O4'
_cod_database_code               1505771