Peroxomolybdate(VI)-citrate and -malate complex interconversions by pH-dependence. Synthetic, structural and spectroscopic studies.
Zhou, Zhao-Hui; Hou, Shu-Ya; Wan, Hui-Lin; Dalton transactions (Cambridge, England : 2003)  (2004) 1393–1399; doi:10.1039/b315280d

data_7013841
_publ_section_title
;
 Peroxomolybdate(VI)-citrate and -malate complex interconversions by
 pH-dependence. Synthetic, structural and spectroscopic studies.
;
_journal_issue                   9
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              1393
_journal_page_last               1399
_journal_paper_doi               10.1039/b315280d
_journal_year                    2004
_chemical_formula_sum            'C6 H12 K4 Mo O16'
_chemical_formula_weight         592.50
_chemical_name_common
'Potassium diperoxo citrato oxomolybdenum(VI) tetrahydrate'
_chemical_name_systematic
;
?
;
_space_group_IT_number           62
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_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            4
_cell_length_a                   22.361(2)
_cell_length_b                   10.3537(8)
_cell_length_c                   7.8268(6)
_cell_measurement_reflns_used    2325
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      24.6
_cell_measurement_theta_min      2.7
_cell_volume                     1812.1(3)
_computing_cell_refinement       'SAINT (Bruker, 1998)'
_computing_data_collection       'SMART (Bruker, 1998)'
_computing_data_reduction        'SAINT (Bruker, 1998)'
_computing_molecular_graphics    'ORTEP-II (Johnson, 1976)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.99
_diffrn_measured_fraction_theta_max 0.99
_diffrn_measurement_device_type  'Bruker APEX area-detector diffractometer'
_diffrn_measurement_method       '\f and \w scan'
_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  0.044
_diffrn_reflns_av_sigmaI/netI    0.037
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -7
_diffrn_reflns_number            10442
_diffrn_reflns_theta_full        27.5
_diffrn_reflns_theta_max         27.5
_diffrn_reflns_theta_min         1.8
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.72
_exptl_absorpt_correction_T_max  0.889
_exptl_absorpt_correction_T_min  0.668
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2002)'
_exptl_crystal_colour            Yellow
_exptl_crystal_density_diffrn    2.172
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             1176
_exptl_crystal_size_max          0.08
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.57
_refine_diff_density_min         -0.84
_refine_diff_density_rms         0.20
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.01
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     155
_refine_ls_number_reflns         2179
_refine_ls_number_restraints     7
_refine_ls_restrained_S_all      1.01
_refine_ls_R_factor_all          0.042
_refine_ls_R_factor_gt           0.031
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         <0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0470P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.075
_refine_ls_wR_factor_ref         0.079
_reflns_number_gt                1749
_reflns_number_total             2179
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            b315280d.txt
_cod_data_source_block           sad_1
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
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 'Multi-scan' changed
to 'multi-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        1812.1(2)
_cod_original_sg_symbol_H-M      'P nma'
_cod_database_code               7013841