Zirconium Oxalates: Zr(OH)<sub>2</sub>(C<sub>2</sub>O<sub>4</sub>), (H<sub>11</sub>O<sub>5</sub>)<sub>2</sub>[Zr<sub>2</sub>(C<sub>2</sub>O<sub>4</sub>)<sub>5</sub>(H<sub>2</sub>O)<sub>4</sub>], and MM'[Zr(C<sub>2</sub>O<sub>4</sub>)<sub>3</sub>]·<i>x</i>H<sub>2</sub>O with M and M' = Ammonium, Alkali Metal, and Hydroxonium Ion H<sub>2<i>n</i>+1</sub>O <sub> <i>n</i> </sub><sup>+</sup> (<i>n</i> = 2, 3, 4).
Thomas, Rudy; Devaux, Philippe; Rivenet, Murielle; Henry, Natacha; Abraham, Francis; ACS omega 5 (2020) 21260–21270; doi:10.1021/acsomega.0c03224

data_4517900
_publ_section_title
;
 Zirconium Oxalates: Zr(OH)<sub>2</sub>(C<sub>2</sub>O<sub>4</sub>),
 (H<sub>11</sub>O<sub>5</sub>)<sub>2</sub>[Zr<sub>2</sub>(C<sub>2</sub>O<sub>4</sub>)<sub>5</sub>(H<sub>2</sub>O)<sub>4</sub>],
 and
 MM'[Zr(C<sub>2</sub>O<sub>4</sub>)<sub>3</sub>]&#x00B7;<i>x</i>H<sub>2</sub>O
 with M and M' = Ammonium, Alkali Metal, and Hydroxonium Ion
 H<sub>2<i>n</i>+1</sub>O <sub> <i>n</i> </sub><sup>+</sup> (<i>n</i> = 2,
 3, 4).
;
_journal_issue                   33
_journal_name_full               'ACS omega'
_journal_page_first              21260
_journal_page_last               21270
_journal_paper_doi               10.1021/acsomega.0c03224
_journal_volume                  5
_journal_year                    2020
_chemical_formula_sum            'C10 H30 O34 Zr2'
_chemical_formula_weight         876.78
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   difmap
_audit_creation_method           SHELXL-2013
_cell_angle_alpha                78.421(2)
_cell_angle_beta                 86.155(2)
_cell_angle_gamma                89.945(2)
_cell_formula_units_Z            1
_cell_length_a                   6.9269(3)
_cell_length_b                   10.4427(6)
_cell_length_c                   10.6447(6)
_cell_measurement_reflns_used    3957
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      24.20
_cell_measurement_theta_min      2.50
_cell_volume                     752.56(7)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0581
_diffrn_reflns_av_unetI/netI     0.0389
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.990
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            19393
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.990
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.943
_diffrn_reflns_theta_min         1.957
_diffrn_source                   'sealed tube'
_exptl_absorpt_coefficient_mu    0.821
_exptl_absorpt_correction_T_max  1
_exptl_absorpt_correction_T_min  0.902
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.935
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             442
_exptl_crystal_size_max          0.258
_exptl_crystal_size_mid          0.152
_exptl_crystal_size_min          0.050
_refine_diff_density_max         0.545
_refine_diff_density_min         -0.397
_refine_diff_density_rms         0.081
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.045
_refine_ls_hydrogen_treatment    refxyz
_refine_ls_matrix_type           full
_refine_ls_number_parameters     253
_refine_ls_number_reflns         2914
_refine_ls_number_restraints     15
_refine_ls_restrained_S_all      1.045
_refine_ls_R_factor_all          0.0378
_refine_ls_R_factor_gt           0.0282
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0161P)^2^+0.6032P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0529
_refine_ls_wR_factor_ref         0.0566
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2498
_reflns_number_total             2914
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ao0c03224_si_002.cif
_cod_data_source_block           H2Zr2Ox5
_cod_depositor_comments
'Adding full bibliography for 4517899--4517905.cif.'
_cod_database_code               4517900
_shelxl_version_number           2013-3
_shelx_res_checksum              84341
_shelx_hkl_checksum              79897