Unexpected crystallization of the metastable tubular coordination polymer of cucurbit[6]uril with magnesium ions which spontaneously transforms into a discrete coordination complex
Danylyuk, Oksana; Fedin, Vladimir P.; CrystEngComm 16 (2014) 3699–; doi:10.1039/c3ce42287a

data_7214330
_publ_section_title
;
 Unexpected crystallization of the metastable tubular coordination polymer
 of cucurbit[6]uril with magnesium ions which spontaneously transforms
 into a discrete coordination complex
;
_journal_issue                   18
_journal_name_full               CrystEngComm
_journal_page_first              3699
_journal_paper_doi               10.1039/c3ce42287a
_journal_volume                  16
_journal_year                    2014
_chemical_formula_sum            'C36 H84 Cl4 Mg2 N24 O36'
_chemical_formula_weight         1619.62
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           59
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ab 2a'
_symmetry_space_group_name_H-M   'P m m n :2'
_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                   10.4811(4)
_cell_length_b                   14.5008(5)
_cell_length_c                   21.9334(8)
_cell_measurement_reflns_used    2979
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      71.74
_cell_measurement_theta_min      3.04
_cell_volume                     3333.5(2)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.19 (release 27-10-2011 CrysAlis171 .NET)
(compiled Oct 27 2011,15:02:11)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.19 (release 27-10-2011 CrysAlis171 .NET)
(compiled Oct 27 2011,15:02:11)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.19 (release 27-10-2011 CrysAlis171 .NET)
(compiled Oct 27 2011,15:02:11)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 16.2974
_diffrn_measured_fraction_theta_full 0.972
_diffrn_measured_fraction_theta_max 0.972
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, Eos'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_source         'SuperNova (Cu) X-ray Source'
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.5418
_diffrn_reflns_av_R_equivalents  0.0269
_diffrn_reflns_av_sigmaI/netI    0.0338
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            8001
_diffrn_reflns_theta_full        71.74
_diffrn_reflns_theta_max         71.74
_diffrn_reflns_theta_min         3.04
_exptl_absorpt_coefficient_mu    2.786
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.461
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.19 (release 27-10-2011 CrysAlis171 .NET)
(compiled Oct 27 2011,15:02:11)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.613
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1594.4
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.268
_refine_diff_density_min         -0.670
_refine_diff_density_rms         0.125
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.030
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     349
_refine_ls_number_reflns         3500
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.029
_refine_ls_R_factor_all          0.1037
_refine_ls_R_factor_gt           0.0878
_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^)+(0.1807P)^2^+5.0359P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2471
_refine_ls_wR_factor_ref         0.2644
_reflns_number_gt                2797
_reflns_number_total             3500
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c3ce42287a.txt
_cod_data_source_block           q6_mg_etoh100
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value ' orthorhombic' changed to
'orthorhombic' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_sg_symbol_H-M      'P m m n'
_cod_database_code               7214330