Abstract
Single crystals of FeVMoO7 and CrVMoO7 were grown by a flux method from Fe2O3-V2O3-MoO3 and Cr2O3V2O5-MoO3 melts, respectively. Single-crystal X-ray diffraction revealed that FeVMoO7 and CrVMoO7 are isostructural, in which V5+ and Mo6+ ions in the [VMoO7]3- units are crystallographically distinct, and one type of oxygen is bonded only to molybdenum, forming a Mo=O double bond. These rare structural features were also studied by infrared and Raman spectroscopy. Raman Mo=O stretching frequencies are consistent with the assignments made in previous surface studies of molybdate catalysts. Crystal data for FeVMoO7: triclinic, space group P1̄ (No. 2), with a = 5.564(1) Å, b = 6.669(1) Å c = 7.909(1) Å, α = 97.65(1)°, β= 90.33(1)°, γ = 101.32(2)° and Z = 2. Crystal data for CrVMoO7: triclinic, space group P1̄ (No. 2), with a = 5.5273(9) Å, b = 6.582(1) Å, c = 7.8650(9) Å, α = 96.19(1)°, β= 89.87(1)°, γ = 102.01(1)°, and Z = 2.
| Original language | English |
|---|---|
| Pages (from-to) | 3252-3256 |
| Number of pages | 5 |
| Journal | Inorganic Chemistry |
| Volume | 37 |
| Issue number | 13 |
| Publication status | Published - 1998 |
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ASJC Scopus subject areas
- Inorganic Chemistry
Cite this
Crystal Structure and Raman Spectroscopy of FeVMoO7 and CrVMoO7 with Mo=O Double Bonds. / Wang, Xiandong; Heier, Kevin R.; Stern, Charlotte L.; Poeppelmeier, Kenneth R.
In: Inorganic Chemistry, Vol. 37, No. 13, 1998, p. 3252-3256.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Crystal Structure and Raman Spectroscopy of FeVMoO7 and CrVMoO7 with Mo=O Double Bonds
AU - Wang, Xiandong
AU - Heier, Kevin R.
AU - Stern, Charlotte L.
AU - Poeppelmeier, Kenneth R
PY - 1998
Y1 - 1998
N2 - Single crystals of FeVMoO7 and CrVMoO7 were grown by a flux method from Fe2O3-V2O3-MoO3 and Cr2O3V2O5-MoO3 melts, respectively. Single-crystal X-ray diffraction revealed that FeVMoO7 and CrVMoO7 are isostructural, in which V5+ and Mo6+ ions in the [VMoO7]3- units are crystallographically distinct, and one type of oxygen is bonded only to molybdenum, forming a Mo=O double bond. These rare structural features were also studied by infrared and Raman spectroscopy. Raman Mo=O stretching frequencies are consistent with the assignments made in previous surface studies of molybdate catalysts. Crystal data for FeVMoO7: triclinic, space group P1̄ (No. 2), with a = 5.564(1) Å, b = 6.669(1) Å c = 7.909(1) Å, α = 97.65(1)°, β= 90.33(1)°, γ = 101.32(2)° and Z = 2. Crystal data for CrVMoO7: triclinic, space group P1̄ (No. 2), with a = 5.5273(9) Å, b = 6.582(1) Å, c = 7.8650(9) Å, α = 96.19(1)°, β= 89.87(1)°, γ = 102.01(1)°, and Z = 2.
AB - Single crystals of FeVMoO7 and CrVMoO7 were grown by a flux method from Fe2O3-V2O3-MoO3 and Cr2O3V2O5-MoO3 melts, respectively. Single-crystal X-ray diffraction revealed that FeVMoO7 and CrVMoO7 are isostructural, in which V5+ and Mo6+ ions in the [VMoO7]3- units are crystallographically distinct, and one type of oxygen is bonded only to molybdenum, forming a Mo=O double bond. These rare structural features were also studied by infrared and Raman spectroscopy. Raman Mo=O stretching frequencies are consistent with the assignments made in previous surface studies of molybdate catalysts. Crystal data for FeVMoO7: triclinic, space group P1̄ (No. 2), with a = 5.564(1) Å, b = 6.669(1) Å c = 7.909(1) Å, α = 97.65(1)°, β= 90.33(1)°, γ = 101.32(2)° and Z = 2. Crystal data for CrVMoO7: triclinic, space group P1̄ (No. 2), with a = 5.5273(9) Å, b = 6.582(1) Å, c = 7.8650(9) Å, α = 96.19(1)°, β= 89.87(1)°, γ = 102.01(1)°, and Z = 2.
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M3 - Article
VL - 37
SP - 3252
EP - 3256
JO - Inorganic Chemistry
JF - Inorganic Chemistry
SN - 0020-1669
IS - 13
ER -