Crystal structure of ammonium/potassium trans-bis(N-methyliminodiacetato-κ3 O,N,O′)chromate(III) from synchrotron data
نویسندگان
چکیده
The structure of the title compound, [(NH4)0.8K0.2][Cr(C5H7NO4)2] (C5H7NO4 is methyl-iminodi-acetate; mida), has been determined from synchrotron data. The Cr(III) atom is located on a centre of symmetry and is coordinated by two N atoms and four O atoms of two facially arranged tridentate mida ligands, displaying a slightly distorted octa-hedral coordination environment. The Cr-N and mean Cr-O bond lengths are 2.0792 (14) and 1.958 (14) Å, respectively. The cation site is located on a twofold rotation axis and shows occupational disorder, being occupied by ammonium and potassium cations in a 0.8:0.2 ratio. In the crystal, inter-molecular hydrogen bonds involving the N-H groups of the ammonium cation as donor and the two non-coordinating O atoms of the carboxyl-ate group as acceptor groups consolidate the three-dimensional packing.
منابع مشابه
Crystal structure of ammonium bis(pyridine-2,6-dicarboxylato-κ3 O,N,O′)chromate(III) from synchrotron data
The structure of the title compound, (NH4)[Cr(pydc)2] (pydc is pyridine-2,6-di-carboxyl-ate, C7H3NO4), has been determined from synchrotron data. The Cr(III) ion and the N atom of the ammonium cation are located on a crystallographic fourfold rotoinversion axis (-4). The Cr(III) cation is coordinated by four O atoms and the two N atoms of two meridional pydc ligands, displaying a distorted octa...
متن کاملCrystal structure of trans-cyclohexane-1,2-diammonium chromate(VI) from synchrotron X-ray diffraction data
The structure of the title hybrid compound, (C6H16N2)[CrO4], has been determined from synchrotron data. The organic cation adopts a chair conformation. The inorganic CrO42- anion is slightly distorted owing to its involvement in N-H⋯O hydrogen-bonding inter-actions with neighbouring trans-cyclo-hexane-1,2-di-ammonium cations, whereby the two Cr-O bonds to the O atoms acting as acceptor atoms fo...
متن کاملImidazolium trans-bis(iminodiacetato-κ3 O,N,O′)cobaltate(III)
In the title compound, (C(3)H(5)N(2))[Co(C(4)H(5)NO(4))(2)], the cation and anion are located on a twofold rotation axis and inversion center, respectively. Inter-molecular N-H⋯O hydrogen bonds link the cations and anions into layers parallel to the ab plane. The crystal packing also exhibits weak C-H⋯O hydrogen bonds, including bifurcated hydrogen bonds, and C=O⋯π inter-actions.
متن کاملTetra-μ-acetato-κ4 O:O′;κ3 O,O′:O;κ3 O:O,O′-bis[(acetato-κ2 O,O′)(1,10-phenanthroline-κ2 N,N′)europium(III)]
In the title centrosymmetric dinuclear complex, [Eu(2)(CH(3)CO(2))(6)(C(12)H(8)N(2))(2)], the Eu(III) atom is nine-coordinated by two N atoms from a 1,10-phenanthroline ligand and seven O atoms from five acetate ligands (two bidentate, three monodentate). The crystal structure is stabilized by π-π stacking inter-actions between the pyridine and benzene rings of adjacent mol-ecules, with a centr...
متن کاملTetrakis[μ-2-(4-hydroxyphenyl)acetato]-κ3 O,O′:O;κ3 O:O,O′-bis{aqua(4,4′-bipyridine-κN)bis[2-(4-hydroxyphenyl)acetato-κ2 O,O]neodymium(III)} monohydrate
The title complex, [Nd(2)(C(8)H(7)O(3))(6)(C(10)H(8)N(2))(2)(H(2)O)(2)]·H(2)O, contains two Nd atoms, six 4-hy-droxy-phenyl-acetate (hpaa) anions, two 4,4'-bipyridine mol-ecules (bipy) and two water mol-ecules; an additional water mol-ecule of solvation is also present in the crystal structure. Each of the Nd(III) ions is nine-coordinated by seven O atoms from four hpaa ligands, an N atom from ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
دوره 72 شماره
صفحات -
تاریخ انتشار 2016