Carla Pretorius- Stellenbosch University
Carla Pretorius
- Stellenbosch University
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23
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Publications (23)
The solid state single crystal structures of [Rh(β-diketonato)(CO)2], where β-diketonato = (R1COCHCOR2)⁻, with R1, R2 = CF3, C4H3S (1), C4H3S, C4H3S (2), Ph, C4H3S (3) and CF3, Ph (4), show that these complexes in some cases form dinuclear units, which stack in chains with weak metallophilic rhodium-rhodium interactions, while in other cases they p...
Three types of oxime species, i.e., 4-morpholylcarbamidoxime (hydroxyguanidine), phenylacetamidoxime and benzamidoxime (amidoximes), and cyclohexanone oxime and benzophenone oxime (ketoximes), react at room temperature with the 2-nitrilium closo-decaborate clusters, leading to 2-iminium closo-decaborates (14 examples; 57–94%). These species were ch...
C16H21O8N2F6Re, triclinic, P1̅, a = 9.161(5) Å, b = 10.283(5) Å, c = 12.974(5) Å, α = 87.739(5)°, β = 78.339(5)°, γ = 75.047(5)°, V = 1156.3(10) Å3, Z = 2, Rgt(F) = 0.037, wRref(F2) = 0.1012, T = 100(2) K.
C16H14Cl2N2PdS2, monoclinic, P21/c (no. 14), a = 8.154(3) Å, b = 13.826(3) Å, c = 8.518(6)Å,β = 110.972(2)°, V = 896.7Å3, Z = 2, Rgt(F) = 0.0217, wRref(F2) = 0.0551, T = 296 K.
C8H7O6Rh, triclinic, P1 (no. 2), a = 7.519(3) Å, b = 7.883(3) Å, c = 9.799(4) Å,α = 103.18(1)°,β = 110.93(1)°, γ = 99.95(1)°, V = 507.1 Å3, Z = 2, Rgt(F) = 0.0252, wRref(F2) = 0.0747, T = 100 K.
C21H27N4O8V, monoclinic, P21/c (no. 14), a = 12.276(5) Å, b = 14.052(5) Å, c = 13.495(6) Å,β= 96.021(2)°, V = 2315.1 Å3, Z = 4, Rgt(F) = 0.0490, wRref(F2) = 0.1455, T = 100 K.
In the title compound, [V(C15H11O2)2O(CH3OH)]·2CH3OH, the VIV atom is coordinated by two 1,3-diphenylpropane-1,3-dionate ligands and an oxide ligand in an axial position. The sixth position is occupied by the O atom of a methanol group bonded trans to the oxide atom. The octahedral geometry is significantly distorted, with the VIV atom lying 0.33...
In the title compound, [Rh(C10H9O2)(CO)2], a distorted square-planar coordination geometry is observed around the RhI atom, formed by the O atoms of the bidentate ligand and two C atoms from the carbonyl ligands. The RhI atom is displaced from the plane through the surrounding atoms by 0.017 Å. In the crystal, C—H⋯O interaction is observed between...
The title compound [systematic name: 5-(trifluoromethoxy)-1H-indole-2,3-dione], C9H4F3NO3, crystallized with two molecules in the asymmetric unit. Intermolecular N—H⋯O hydrogen bonds link the molecules to form layers parallel to the ab plane. In addition, π–π stacking interactions are observed with a centroid–centroid distance of 3.721 (1) Å....
In the title compound, [Rh(C10H9O2)(CO)2], a distorted square-planar coordination geometry is observed around the RhI atom, formed by the O atoms of the bidentate ligand and two C atoms from the carbonyl ligands. The RhI atom is displaced from the plane through the surrounding atoms by 0.017 Å. In the crystal, C—H⋯O interaction is observed between...
In the title compound, [Nb(CH3O)2(C5H7O2)Cl2], a slightly distorted octahedral coordination geometry is observed around the NbV atom with Nb—O distances in the range of 1.8254 (16)–2.0892 (16) Å and Nb—Cl distances of 2.3997 (14) and 2.4023 (12) Å. The O—Nb—O angles vary between 81.36 (7) and 172.65 (7) °, while the trans Cl—Nb—Cl angle is 167.34...
