New Iron(III) Phosphate Phases: Crystal Structure and Electrochemical and Magnetic Properties
Yanning Song; Peter Y. Zavalij; Masatsugu Suzuki; M. Stanley Whittingham; Inorganic Chemistry 41 (2002) 5778–5786; doi:10.1021/ic025688q

data_4318788
_publ_section_title
;
 New Iron(III) Phosphate Phases: Crystal Structure and Electrochemical and
 Magnetic Properties
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              5778
_journal_page_last               5786
_journal_paper_doi               10.1021/ic025688q
_journal_volume                  41
_journal_year                    2002
_chemical_formula_moiety         'Fe P O4, (H2 O)2'
_chemical_formula_sum            'Fe H4 O6 P'
_chemical_formula_weight         186.85
_chemical_name_systematic        'Iron phosphate dihydrate'
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 90.163(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   5.3071(10)
_cell_length_b                   9.7548(19)
_cell_length_c                   8.6752(16)
_cell_measurement_reflns_used    1627
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      62.724
_cell_measurement_theta_min      6.282
_cell_volume                     449.11(15)
_computing_cell_refinement       'SAINT (Bruker, 1999)'
_computing_data_collection       'SMART (Bruker, 1999)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'ORTEP-3 (Farrugia,1997), ATOMS (Dowty,1999)'
_computing_publication_material  'SHELXL-97, ZCIF'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      295(2)
_diffrn_measured_fraction_theta_full 0.983
_diffrn_measured_fraction_theta_max 0.983
_diffrn_measurement_device_type  'Bruker SmartApex CCD area detector'
_diffrn_measurement_method       '\w 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  0.0427
_diffrn_reflns_av_sigmaI/netI    0.0610
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            2606
_diffrn_reflns_theta_full        28.28
_diffrn_reflns_theta_max         28.28
_diffrn_reflns_theta_min         2.09
_diffrn_standards_decay_%        0.00
_exptl_absorpt_coefficient_mu    3.649
_exptl_absorpt_correction_T_max  0.7468
_exptl_absorpt_correction_T_min  0.5457
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.763
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             372
_exptl_crystal_size_max          0.19
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.612
_refine_diff_density_min         -0.643
_refine_diff_density_rms         0.139
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.083
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     87
_refine_ls_number_reflns         1096
_refine_ls_number_restraints     4
_refine_ls_restrained_S_all      1.081
_refine_ls_R_factor_all          0.0466
_refine_ls_R_factor_gt           0.0410
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'1/[\s^2^(Fo^2^)+(0.0415P)^2^+0.0822P], P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0933
_refine_ls_wR_factor_ref         0.0953
_reflns_number_gt                986
_reflns_number_total             1096
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic025688q_s2_1.cif
_cod_data_source_block           Compound_A_FePO4_2H2O_mono
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_original_formula_sum        'H4 Fe O6 P'
_cod_database_code               4318788