Syntheses and X-ray crystal structures of dumbbell-shaped bis-fullerene tungsten and molybdenum complexes
Jin, Xianglin; Xie, Xiangjin; Tang, Kaluo; Chemical Communications  (2002) 750–; doi:10.1039/b200793b

data_7114134
_publ_section_title
;
 Syntheses and X-ray crystal structures of dumbbell-shaped bis-fullerene
 tungsten and molybdenum complexes
;
_journal_issue                   7
_journal_name_full               'Chemical Communications'
_journal_page_first              750
_journal_paper_doi               10.1039/b200793b
_journal_year                    2002
_chemical_formula_sum            'C150 H36 N2 O6 S6 W'
_chemical_formula_weight         2338.02
_chemical_name_systematic
; 
? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yab'
_symmetry_space_group_name_H-M   'P 1 21/a 1'
_atom_sites_solution_hydrogens
'hydrogen atoms are generated by HFIX instructions'
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 112.48(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   18.402(4)
_cell_length_b                   24.291(5)
_cell_length_c                   21.414(4)
_cell_measurement_reflns_used    53881
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.12
_cell_volume                     8845(4)
_computing_cell_refinement
;Molecular Structure Corporation (1994)
MSC/AFC Diffractometer Control Software
MSC, 3200 Research Forest Drive, The
Woodlands, TX 77381 USA.
;
_computing_data_collection
;Molecular Structure Corporation (1994)
MSC/AFC Diffractometer Control Software
MSC, 3200 Research Forest Drive, The
Woodlands, TX 77381, USA.
;
_computing_data_reduction
;Sheldrick, G. M. (1997) SHELXS97, Program
for the Solution of Crystal Structure,
University of Gottingen, Germany.
;
_computing_molecular_graphics
;Interactive Molecular Graphics XP, Virsion
4.2 for MSDOS (1990), Siemens Analytical
X-ray Instruments Inc., Madison, Wisconsin,
USA.
;
_computing_publication_material
;Sheldrick, G. M. (1997) SHELXL97, Program
for the refinement of Crystal Structure,
University of Gottingen, Germany.
;
_computing_structure_refinement
;Sheldrick, G. M. (1997) SHELXL97, Program
for the Refinement of Crystal Structure,
University of Gottingen, Germany.
;
_computing_structure_solution
;Sheldrick, G. M. (1997) SHELXS97, Program
for the Solution of Crystal Structure,
University of Gottingen, Germany.
;
_diffrn_ambient_temperature      123(2)
_diffrn_detector_area_resol_mean '100x100 microns'
_diffrn_measured_fraction_theta_full 0.971
_diffrn_measured_fraction_theta_max 0.971
_diffrn_measurement_device_type  'Rigaku RAXIS RAPID IP'
_diffrn_measurement_method       Oscillation
_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  0.1276
_diffrn_reflns_av_sigmaI/netI    0.5399
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            53881
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.12
_exptl_absorpt_coefficient_mu    1.527
_exptl_absorpt_correction_T_max  0.9265
_exptl_absorpt_correction_T_min  0.5927
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            'Dark green'
_exptl_crystal_density_diffrn    1.756
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             4672
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.763
_refine_diff_density_min         -0.738
_refine_diff_density_rms         0.142
_refine_ls_extinction_method     None
_refine_ls_goodness_of_fit_ref   0.761
_refine_ls_hydrogen_treatment
;hydrogen coordinates ride on the coordinates
of the previous atom, the isotropic U values
are 1.2 OR 1.5 time over the U values of the
previous atom.
;
_refine_ls_matrix_type           full
_refine_ls_number_parameters     731
_refine_ls_number_reflns         15139
_refine_ls_number_restraints     15
_refine_ls_restrained_S_all      0.762
_refine_ls_R_factor_all          0.2629
_refine_ls_R_factor_gt           0.0850
_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^)+(0.0346P)^2^+0.0000P] where P==(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1443
_refine_ls_wR_factor_ref         0.1877
_reflns_number_gt                4121
_reflns_number_total             15139
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b200793b.txt
_cod_data_source_block           x7
_cod_depositor_comments
;
The following automatic conversions were performed:

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

'_exptl_absorpt_correction_type' value 'Empirical'
changed to 'empirical' according to
/usr/data/users/saulius/automatic-downloads/retrospective/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_cell_volume        8845(3)
_cod_original_sg_symbol_H-M      P21/a
_cod_database_code               7114134