Surprising robustness of a unit cell: isomorphism in caesium 18-crown[6] complexes with aromatic polycarboxylate anions
Braga, Dario; D'Agostino, Simone; Grepioni, Fabrizia; CrystEngComm 13 (2011) 1366–; doi:10.1039/c0ce00363h

data_7205322
_publ_section_title
;
 Surprising robustness of a unit cell: isomorphism in caesium
 18-crown[6] complexes with aromatic polycarboxylate anions
;
_journal_issue                   5
_journal_name_full               CrystEngComm
_journal_page_first              1366
_journal_paper_doi               10.1039/c0ce00363h
_journal_volume                  13
_journal_year                    2011
_chemical_formula_sum            'C21 H31 Cs O10'
_chemical_formula_weight         576.37
_chemical_name_common            'CROWN ETHER COMPLEX'
_chemical_name_systematic
;
?
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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            4
_cell_length_a                   8.2066(2)
_cell_length_b                   15.3598(4)
_cell_length_c                   18.9926(4)
_cell_measurement_reflns_used    4923
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      32.6138
_cell_measurement_theta_min      2.4769
_cell_volume                     2394.05(10)
_computing_cell_refinement
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.32.15 (release 10-01-2008 CrysAlis171 .NET)
(compiled Jan 10 2008,16:37:18)
;
_computing_data_collection
;
CrysAlis CCD, Oxford Diffraction Ltd.,
Version 1.171.32.15 (release 10-01-2008 CrysAlis171 .NET)
(compiled Jan 10 2008,16:37:18)
;
_computing_data_reduction
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.32.15 (release 10-01-2008 CrysAlis171 .NET)
(compiled Jan 10 2008,16:37:18)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.903
_diffrn_measurement_details
;
1 omega -16.00 38.00 1.0000 12.0500
omega____ theta____ kappa____ phi______ frames
- 26.4706 0.0000 60.0000 54

2 omega -67.00 -32.00 1.0000 12.0500
omega____ theta____ kappa____ phi______ frames
- -26.9393 179.0000 -180.0000 35

3 omega -76.00 -1.00 1.0000 12.0500
omega____ theta____ kappa____ phi______ frames
- -26.9393 -38.0000 30.0000 75

;
_diffrn_measurement_device       '92mm CCD camera(sapphire) on \k-goniostat'
_diffrn_measurement_device_type  'Enhance (Mo) X-ray Source'
_diffrn_measurement_method       'omega scan'
_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  0.0272
_diffrn_reflns_av_sigmaI/netI    0.0651
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            9890
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         32.67
_diffrn_reflns_theta_min         2.52
_exptl_absorpt_coefficient_mu    1.598
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.88590
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.34d (release 27-02-2009 CrysAlis171 .NET)
(compiled Feb 27 2009,15:38:38)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.599
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1168
_exptl_crystal_size_max          0.1
_exptl_crystal_size_mid          0.085
_exptl_crystal_size_min          0.081
_refine_diff_density_max         1.300
_refine_diff_density_min         -0.658
_refine_diff_density_rms         0.076
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.015(12)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.870
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     293
_refine_ls_number_reflns         6901
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.870
_refine_ls_R_factor_all          0.0518
_refine_ls_R_factor_gt           0.0361
_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^)+(0.0196P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0515
_refine_ls_wR_factor_ref         0.0538
_reflns_number_gt                5364
_reflns_number_total             6901
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            C0CE00363H.TXT
_cod_data_source_block           3-me-i
_cod_original_sg_symbol_H-M      P212121
_cod_database_code               7205322