Constructing Robust Channel Structures by Packing Metallacalixarenes: Reversible Single-Crystal-to-Single-Crystal Dehydration
Cristian D. Ene; Augustin M. Madalan; Catalin Maxim; Bogdan Jurca; Narcis Avarvari; Marius Andruh; Journal of the American Chemical Society 131 (2009) 4586–4587; doi:10.1021/ja900416e

data_4104137
_publ_section_title
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 Constructing Robust Channel Structures by Packing Metallacalixarenes:
 Reversible Single-Crystal-to-Single-Crystal Dehydration
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_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              4586
_journal_page_last               4587
_journal_paper_doi               10.1021/ja900416e
_journal_volume                  131
_journal_year                    2009
_chemical_formula_sum            'C60 H80 Cu4 N8 O26'
_chemical_formula_weight         1583.48
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           104
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'P 4 -2n'
_symmetry_space_group_name_H-M   'P 4 n c'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   17.3377(6)
_cell_length_b                   17.3377(6)
_cell_length_c                   14.7455(5)
_cell_measurement_reflns_used    44049
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      32.49
_cell_measurement_theta_min      2.35
_cell_volume                     4432.4(3)
_computing_cell_refinement       X-Area
_computing_data_collection       X-Area
_computing_data_reduction        X-Area
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  'STOE-IPDS II'
_diffrn_measurement_method       '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  0.0538
_diffrn_reflns_av_sigmaI/netI    0.0436
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            46461
_diffrn_reflns_theta_full        33.55
_diffrn_reflns_theta_max         33.55
_diffrn_reflns_theta_min         2.63
_exptl_absorpt_coefficient_mu    1.014
_exptl_absorpt_correction_T_max  0.6389
_exptl_absorpt_correction_T_min  0.6389
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.186
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1640
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.3
_refine_diff_density_max         0.574
_refine_diff_density_min         -0.570
_refine_diff_density_rms         0.080
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.048(19)
_refine_ls_extinction_coef       0.0051(6)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.074
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     224
_refine_ls_number_reflns         8505
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.074
_refine_ls_R_factor_all          0.0998
_refine_ls_R_factor_gt           0.0699
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0741P)^2^+2.1539P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1511
_refine_ls_wR_factor_ref         0.1662
_reflns_number_gt                6151
_reflns_number_total             8505
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja900416e_si_001.cif
_cod_data_source_block           4e2c
_cod_depositor_comments
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The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
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_cod_database_code               4104137