Mapping the synthesis of low nuclearity polyoxometalates from octamolybdates to Mn-Anderson clusters.
Rosnes, Mali H.; Yvon, Carine; Long, De-Liang; Cronin, Leroy; Dalton transactions (Cambridge, England : 2003) 41 (2012) 10071–10079; doi:10.1039/c2dt31008b

data_7019915
_publ_section_title
;
 Mapping the synthesis of low nuclearity polyoxometalates from
 octamolybdates to Mn-Anderson clusters.
;
_journal_issue                   33
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              10071
_journal_page_last               10079
_journal_paper_doi               10.1039/c2dt31008b
_journal_volume                  41
_journal_year                    2012
_chemical_formula_sum            'C18 H50 Mo8 N5 Na O28'
_chemical_formula_weight         1575.14
_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                 93.236(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   9.4649(4)
_cell_length_b                   20.3666(8)
_cell_length_c                   11.6803(4)
_cell_measurement_reflns_used    7878
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      67.5
_cell_measurement_theta_min      3.79
_cell_volume                     2248.00(15)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.11 (release 16-05-2011 CrysAlis171 .NET)
(compiled May 16 2011,17:55:39)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.11 (release 16-05-2011 CrysAlis171 .NET)
(compiled May 16 2011,17:55:39)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.11 (release 16-05-2011 CrysAlis171 .NET)
(compiled May 16 2011,17:55:39)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Oxford Gemini A Ultra'
_diffrn_measurement_method       '\w & \p scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0523
_diffrn_reflns_av_sigmaI/netI    0.0414
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            12277
_diffrn_reflns_theta_full        57.50
_diffrn_reflns_theta_max         57.50
_diffrn_reflns_theta_min         4.37
_diffrn_standards_decay_%        none
_exptl_absorpt_coefficient_mu    18.591
_exptl_absorpt_correction_T_max  0.5234
_exptl_absorpt_correction_T_min  0.2342
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
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CrysAlisPro, Agilent Technologies,
Version 1.171.35.11 (release 16-05-2011 CrysAlis171 .NET)
(compiled May 16 2011,17:55:39)
Analytical numeric absorption correction using a multifaceted crystal
            model based on expressions derived by R.C. Clark & J.S. Reid.
(Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-897)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.327
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1528
_exptl_crystal_size_max          0.11
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.04
_refine_diff_density_max         3.18
_refine_diff_density_min         -1.36
_refine_diff_density_rms         0.42
_refine_ls_extinction_coef       none
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.102
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     249
_refine_ls_number_reflns         3055
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.102
_refine_ls_R_factor_all          0.0793
_refine_ls_R_factor_gt           0.0714
_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^)+(0.1386P)^2^+128.8587P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2541
_refine_ls_wR_factor_ref         0.2598
_reflns_number_gt                2600
_reflns_number_total             3055
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c2dt31008b_8.cif
_cod_data_source_block           mr782
_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.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'none' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7019915