Sequential transformations in assemblies based on octamolybdate clusters and 1,2-bis(4-pyridyl)ethane
Reinaldo Atencio; Alexander Briceño; Pedro Silva; José A. Rodríguez; Jonathan C. Hanson; New Journal of Chemistry 31 (2007) 33–; doi:10.1039/b603996k

data_7052049
_publ_section_title
;
 Sequential transformations in assemblies based on octamolybdate
 clusters and 1,2-bis(4-pyridyl)ethane
;
_journal_issue                   1
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              33
_journal_paper_doi               10.1039/b603996k
_journal_volume                  31
_journal_year                    2007
_chemical_compound_source        Synthesis
_chemical_formula_moiety         'C24 H26 Mo8 N4 O26, C12 H14 N2'
_chemical_formula_sum            'C36 H40 Mo8 N6 O26'
_chemical_formula_weight         1740.26
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_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                 101.447(16)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   11.581(3)
_cell_length_b                   17.146(7)
_cell_length_c                   12.875(3)
_cell_measurement_reflns_used    18
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      29.02
_cell_measurement_theta_min      21.23
_cell_volume                     2505.7(14)
_computing_cell_refinement
;
MSC/AFC, Diffractometer Control Software (Molecular
Structure Corporation, 1993a)
;
_computing_data_collection
;
MSC/AFC, Diffractometer Control Software (Molecular
Structure Corporation, 1993a)
;
_computing_data_reduction
;
TEXSAN, (Molecular Structure Corporation, 1993a)
;
_computing_molecular_graphics    'SHELXTL (Siemens, 1997)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXLTL-NT V5.1 (Bruker AXS, 1998)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.964
_diffrn_measured_fraction_theta_max 0.964
_diffrn_measurement_device_type  'Rigaku AFC7S'
_diffrn_measurement_method       '\w-2\q scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1000
_diffrn_reflns_av_sigmaI/netI    0.0656
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            4577
_diffrn_reflns_theta_full        25.03
_diffrn_reflns_theta_max         25.03
_diffrn_reflns_theta_min         1.79
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 150
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    2.028
_exptl_absorpt_correction_T_max  0.687
_exptl_absorpt_correction_T_min  0.412
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details   '(North et al.,1968)'
_exptl_crystal_colour            Yellow-grey
_exptl_crystal_density_diffrn    2.307
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1684
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.38
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.770
_refine_diff_density_min         -0.915
_refine_diff_density_rms         0.163
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.041
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     337
_refine_ls_number_reflns         4281
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.041
_refine_ls_R_factor_all          0.0820
_refine_ls_R_factor_gt           0.0426
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0478P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0880
_refine_ls_wR_factor_ref         0.1030
_reflns_number_gt                2960
_reflns_number_total             4281
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b603996k.txt
_cod_data_source_block           p21c-p
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from
2010-06-29.

'_exptl_absorpt_correction_type' value 'Psi-scan' changed to
'psi-scan' 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_cell_volume        2505.7(13)
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7052049