Syntheses and characterization of phosphonates and diphosphonates of molybdenum, A4[(MoO3)5(O3PR)2]·xH2O, A2[Mo2O5(O3PR)2] and A2[Mo2O5(O3P-R-PO3)] (A = K, Rb, Cs, Tl, NH4)
Elias Jesu Packiam, D.; Vidyasagar, Kanamaluru; Dalton Transactions  (2017) –; doi:10.1039/C7DT03012F

data_7044744
_publ_section_title
;
 Syntheses and characterization of phosphonates and diphosphonates of
 molybdenum, A4[(MoO3)5(O3PR)2]&#x00B7;xH2O, A2[Mo2O5(O3PR)2] and
 A2[Mo2O5(O3P-R-PO3)] (A = K, Rb, Cs, Tl, NH4)
;
_journal_name_full               'Dalton Transactions'
_journal_paper_doi               10.1039/C7DT03012F
_journal_year                    2017
_chemical_formula_moiety         'C4 H8 Mo2 O11 P2 Rb2'
_chemical_formula_sum            'C4 H8 Mo2 O11 P2 Rb2'
_chemical_formula_weight         656.86
_chemical_name_systematic
;
 ?
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_space_group_IT_number           140
_space_group_name_Hall           '-I 4 2c'
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  '-I 4 2c'
_symmetry_space_group_name_H-M   'I 4/m c m'
_atom_sites_solution_hydrogens   none
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2017-08-14 deposited with the CCDC.
2017-11-06 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   9.8278(6)
_cell_length_b                   9.8278(6)
_cell_length_c                   29.6603(17)
_cell_measurement_reflns_used    883
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      22.18
_cell_measurement_theta_min      2.75
_cell_volume                     2864.8(3)
_computing_cell_refinement       APEXII,Bruker,2004
_computing_data_collection       APEXII,Bruker,2004
_computing_data_reduction        SAINT,Bruker,2004
_computing_molecular_graphics    'ORTEP-3 (Farrugia, 1997)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker ApexII ccd area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0602
_diffrn_reflns_av_sigmaI/netI    0.0412
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -33
_diffrn_reflns_number            4106
_diffrn_reflns_theta_full        23.81
_diffrn_reflns_theta_max         23.81
_diffrn_reflns_theta_min         2.75
_exptl_absorpt_coefficient_mu    8.777
_exptl_absorpt_correction_T_max  0.6210
_exptl_absorpt_correction_T_min  0.5403
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS(Bruker,2004)
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    3.046
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Rectangular
_exptl_crystal_F_000             2464
_exptl_crystal_size_max          0.08
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.06
_refine_diff_density_max         3.601
_refine_diff_density_min         -2.266
_refine_diff_density_rms         0.273
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.098
_refine_ls_hydrogen_treatment    none
_refine_ls_matrix_type           full
_refine_ls_number_parameters     55
_refine_ls_number_reflns         620
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.098
_refine_ls_R_factor_all          0.0743
_refine_ls_R_factor_gt           0.0572
_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^)+(0.0723P)^2^+168.5164P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1391
_refine_ls_wR_factor_ref         0.1549
_reflns_number_gt                507
_reflns_number_total             620
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c7dt03012f2.cif
_cod_data_source_block           Rb2[Mo2O5(O3PC4H8PO3)]
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Tetragonal' changed to 'tetragonal'
according to
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/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 4973 2017-02-22 13:04:09Z antanas 
;
_cod_original_sg_symbol_H-M      I4/mcm
_cod_database_code               7044744