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The α-phase of SrTeO3 at 295 K

✍ Scribed by Zavodnik, Valery E. ;Ivanov, Sergey A. ;Stash, Adam I.

Book ID
104489512
Publisher
International Union of Crystallography
Year
2007
Tongue
English
Weight
136 KB
Volume
63
Category
Article
ISSN
1600-5368

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✦ Synopsis

The crystal structure of strontium tellurite (STO), SrTeO~3~, has been determined at room temperature using X-ray diffraction data obtained from single crystals grown by the Czochralski method. Selection of a non-centrosymmetric (__C__2) structure model was confirmed by the second harmonic generation test. The structure of STO is built up of three types of distorted [SrO~x~] polyhedra (x = 6, 7 and 8) which share their oxygen anions with TeO~3~ pyramidal units. These main anionic polyhedra are responsible for establishing two types of tunnels required for the electron lone pairs of the Te^4+^ cation.

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Rate constant of the α-pinene + atomic h
Rate constant of the α-pinene + atomic hydrogen reaction at 295 K
✍ C. Vinckier; N. Van Hoof 📂 Article 📅 1994 🏛 John Wiley and Sons 🌐 English ⚖ 454 KB

## Abstract The rate constant of the reaction of α‐pinene with atomic hydrogen was determined at 295 K using the fast‐flow reactor technique directly coupled to a mass spectrometric detection technique. The value was found to be equal to (9.8 ± 3.3) × 10^−13^ cm^3^ molecules^−1^ s^−1^ and independe