Syntheses and crystal structures of three novel oxalate coordination compounds: Rb<sub>2</sub>Co(C<sub>2</sub>O<sub>4</sub>)<sub>2</sub>·4H<sub>2</sub>O, Rb<sub>2</sub>CoCl<sub>2</sub>(C<sub>2</sub>O<sub>4</sub>) and K<sub>2</sub>Li<sub>2</sub>Cu(C<sub>2</sub>O<sub>4</sub>)<sub>3</sub>·2H<sub>2</sub>O.
Clulow, Rebecca; Lightfoot, Philip; Acta crystallographica. Section E, Crystallographic communications 79 (2023) 267–271; doi:10.1107/S2056989023001822

data_2244220
_publ_section_title
;
 Syntheses and crystal structures of three novel oxalate coordination
 compounds:
 Rb<sub>2</sub>Co(C<sub>2</sub>O<sub>4</sub>)<sub>2</sub>&#xb7;4H<sub>2</sub>O,
 Rb<sub>2</sub>CoCl<sub>2</sub>(C<sub>2</sub>O<sub>4</sub>) and
 K<sub>2</sub>Li<sub>2</sub>Cu(C<sub>2</sub>O<sub>4</sub>)<sub>3</sub>&#xb7;2H<sub>2</sub>O.
;
_journal_coeditor_code           WM5668
_journal_issue                   'Pt 4'
_journal_name_full
'Acta crystallographica. Section E, Crystallographic communications'
_journal_page_first              267
_journal_page_last               271
_journal_paper_doi               10.1107/S2056989023001822
_journal_volume                  79
_journal_year                    2023
_chemical_formula_iupac          'Rb2 [Co Cl2 (C2 O4)]'
_chemical_formula_moiety         'Rb2  Cl2  Co1  C2  O4'
_chemical_formula_sum            'C2 Cl2 Co O4 Rb2'
_chemical_formula_weight         388.79
_chemical_name_common
;
Dirubidium cobalt(II) dichloride oxalate
;
_chemical_name_systematic
;
<i>catena</i>-Poly[dirubidium [[dichloridocobalt(II)]-\m-oxalato]]
;
_space_group_IT_number           71
_space_group_name_Hall           '-I 2 2'
_space_group_name_H-M_alt        'I m m m'
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-I 2 2'
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_cell_angle_beta                 90
_cell_angle_gamma                90
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_cell_measurement_temperature    173(2)
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_computing_cell_refinement
;
CrystalClear (Rigaku, 2015)
;
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;
CrystalClear (Rigaku, 2015)
;
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CrystalClear (Rigaku, 2015)
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Ortep for Windows (Farrugia, 2012)
;
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WinGX (Farrugia, 2012)
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SHELXL (Sheldrick, 2015b)
;
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;
SHELXT (Sheldrick, 2015a)
;
_diffrn_ambient_temperature      173(2)
_diffrn_detector_area_resol_mean 13.6612
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Rigaku Mercury2 (2x2 bin mode)'
_diffrn_measurement_method       'profile data from \w-scans'
_diffrn_radiation_type           MoK\a
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_diffrn_reflns_av_R_equivalents  0.0340
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_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
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;
(SADABS; Krause <i>et al.</i>,  2015)
;
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_exptl_crystal_density_method    'not measured'
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_refine_ls_number_reflns         310
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.112
_refine_ls_R_factor_all          0.0193
_refine_ls_R_factor_gt           0.0177
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
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'w=1/[\s^2^(Fo^2^)+(0.0276P)^2^] where P=(Fo^2^+2Fc^2^)/3'
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'Adding full bibliography for 2244219--2244221.cif.'
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