New structural motifs in chromium(iii) calix[4 and 6]arene chemistry
Redshaw, Carl; Homden, Damien; Hughes, David L.; Wright, Joseph A.; Elsegood, Mark R. J.; Dalton Transactions  (2009) 1231–1242; doi:10.1039/b813313a

data_7000498
_publ_section_title
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 New structural motifs in chromium(iii) calix[4 and 6]arene chemistry
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_journal_issue                   7
_journal_name_full               'Dalton Transactions'
_journal_page_first              1231
_journal_page_last               1242
_journal_paper_doi               10.1039/b813313a
_journal_year                    2009
_chemical_formula_moiety         'C54 H72 Cl2 Cr Li N2 O4, 3(C2 H3 N)'
_chemical_formula_structural     '[Cr(di-propyl-calix-4)Cl2.Li(NCMe)2].3(MeCN)'
_chemical_formula_sum            'C60 H81 Cl2 Cr Li N5 O4'
_chemical_formula_weight         1066.14
_chemical_name_common            'Conmpound 7'
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1 (-1/2*x+1/2*z,-y,1/2*x+1/2*z)'
_symmetry_space_group_name_H-M   'B -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                93.354(2)
_cell_angle_beta                 100.909(2)
_cell_angle_gamma                96.853(2)
_cell_formula_units_Z            4
_cell_length_a                   13.7888(3)
_cell_length_b                   20.6256(4)
_cell_length_c                   21.5347(4)
_cell_measurement_temperature    140(1)
_cell_volume                     5950.2(2)
_computing_cell_refinement
;
CrysAlis RED, Oxford Diffraction Ltd., Version 1.171.29.9
;
_computing_data_collection
;
CrysAlis CCD, Oxford Diffraction Ltd., Version 1.171.29.9
;
_computing_data_reduction
;
CrysAlis RED, Oxford Diffraction Ltd., Version 1.171.29.9
;
_computing_molecular_graphics    'CAMERON (Watkin <i>et al</i>, 1993)'
_computing_publication_material
;
SHELXL-97 (Sheldrick, 2008), PLATON (Spek, 2003), WinGX (Farrugia, 1999)
and enCIFer (Allen <i>et al.</i>, 2004)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      140(1)
_diffrn_detector_area_resol_mean 16.0050
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  'Oxford Diffraction Xcalibur 3/CCD'
_diffrn_measurement_method       'Thin slice \f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           Mo-K\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0490
_diffrn_reflns_av_sigmaI/netI    0.0697
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            39496
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         3.53
_exptl_absorpt_coefficient_mu    0.330
_exptl_absorpt_correction_T_max  0.930
_exptl_absorpt_correction_T_min  0.844
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlis RED, Oxford Diffraction Ltd., Version 1.171.29.9
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            blue-grey
_exptl_crystal_density_diffrn    1.190
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2276
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.22
_refine_diff_density_max         0.789
_refine_diff_density_min         -0.583
_refine_diff_density_rms         0.063
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.069
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     719
_refine_ls_number_reflns         13465
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.069
_refine_ls_R_factor_all          0.1000
_refine_ls_R_factor_gt           0.0588
_refine_ls_shift/su_max          0.013
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0841P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1453
_refine_ls_wR_factor_ref         0.1587
_reflns_number_gt                8815
_reflns_number_total             13465
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            b813313a.txt
_cod_data_source_block           7
_cod_depositor_comments
;
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.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_Hall     '-B 1'
_cod_database_code               7000498