Organic guests inclusion by tungsten-calix[4]arene hosts
Arduini, Arturo; Massera, Chiara; Pochini, Andrea; Secchi, Andrea; Ugozzoli, Franco; New Journal of Chemistry 30 (2006) 952–; doi:10.1039/b603006h

data_7052275
_publ_section_title
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 Organic guests inclusion by tungsten-calix[4]arene hosts
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_journal_issue                   6
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              952
_journal_paper_doi               10.1039/b603006h
_journal_volume                  30
_journal_year                    2006
_chemical_formula_sum            'C53 H62 O7 W'
_chemical_formula_weight         994.88
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.990(5)
_cell_angle_beta                 102.510(5)
_cell_angle_gamma                98.440(5)
_cell_formula_units_Z            2
_cell_length_a                   14.243(5)
_cell_length_b                   17.340(5)
_cell_length_c                   10.360(5)
_cell_measurement_reflns_used    28
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      18
_cell_measurement_theta_min      11
_cell_volume                     2467.7(16)
_computing_cell_refinement       'DIPCHIGE software package 2004'
_computing_data_collection       'DIPCHIGE software package 2004'
_computing_data_reduction        DIFAU92
_computing_molecular_graphics    'Accelrys DS-ViewerPro 2005'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      295(2)
_diffrn_detector_area_resol_mean 1K
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'Philips PW1100'
_diffrn_measurement_method       'scintil counter'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0339
_diffrn_reflns_av_sigmaI/netI    0.1066
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -2
_diffrn_reflns_number            9219
_diffrn_reflns_theta_full        25.11
_diffrn_reflns_theta_max         25.11
_diffrn_reflns_theta_min         3.13
_exptl_absorpt_coefficient_mu    2.389
_exptl_absorpt_correction_T_max  1.11
_exptl_absorpt_correction_T_min  0.82
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.339
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'thick column'
_exptl_crystal_F_000             1020
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.16
_refine_diff_density_max         4.153
_refine_diff_density_min         -4.082
_refine_diff_density_rms         0.213
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.913
_refine_ls_hydrogen_treatment    constr
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_refine_ls_number_parameters     562
_refine_ls_number_reflns         8695
_refine_ls_number_restraints     24
_refine_ls_restrained_S_all      0.913
_refine_ls_R_factor_all          0.1250
_refine_ls_R_factor_gt           0.0825
_refine_ls_shift/su_max          0.015
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1564P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2014
_refine_ls_wR_factor_ref         0.2154
_reflns_number_gt                5339
_reflns_number_total             8695
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b603006h.txt
_cod_data_source_block           calixw
_cod_depositor_comments
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The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from
2010-06-29.

'_exptl_absorpt_correction_type' value 'Empirical' changed to
'empirical' 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_enum 1527 2010-12-29 10:47:43Z saulius 
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_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7052275