FTIR Studies of O(<sup>3</sup>P) Atom Reactions with CSe<sub>2</sub>, SCSe, and OCSe
作者:Shuping Li、Tsz Sian Chwee、Wai Yip Fan
DOI:10.1021/jp055113p
日期:2005.12.1
literature value of the rate coefficient for O(3P) with CS2 (4 x 10(-12) cm3 molecule(-1) s(-1)). A product channel giving OCSe in 32.0 +/- 4.2% yield has been found for the O + CSe2 reaction. Although CO was also detected, its generation could be attributed to subsequent reactions of OCSe with Oatoms. The corresponding reaction for O + SCSe gives OCS and OCSe as observable products, with their yields
Efficient Demetalation of Fischer Alkoxy- and Amino-Biscarbene Complexes of Chromium via CO-Promoted Sulfuration and Selenylation
作者:Zheng、Jinzhu Chen、Ning Luo、Yu、Xiuwen Han
DOI:10.1021/om060288m
日期:2006.10.1
with elemental selenium of Fischer biscarbene complexes of chromium have been achieved by means of in-situ-generated SCO and SeCO, efficiently affording thio- and selenocarboxylates. Intramolecular reactivity inversion of the chromium carbene carbon bonds (CrC) in an alkoxy−alkoxy biscarbene complex was realized by replacement of the alkoxy group bonded to the more reactive CrC carbon atom with an amino
The proton affinity of H2Se, SeCO and H2CSe and reactions of positive ions with H2Se
作者:Zeev Karpas
DOI:10.1016/0009-2614(85)87012-3
日期:1985.9
The protonaffinities of SeCO and H2CSe were determined by pulsed ICR techniques and found to be 157±3 and 186±1 kcal/mol, respectively. The protonaffinity of H2Se and of H2CS were found to be 171.2±0.2 and 184.7±1.0 kcal/mol, respectively, in agreement with earlier determinations. The gas-phase ionchemistry of H2Se greatly resembles that of H2S.
observe the infraredspectrum of OCSe, a sufficient amount was readily synthesized by using a heatpipereactor. Thirteen vibrational bands were observed in the region of 400 ∼ 4000 cm −1 , seven of which have never been reported. The high-resolution FTIR spectrum of the 2 ν 1 band of OCSe was recorded with a resolution of 0.005 cm −1 . Analysis provided molecular constants for the 2 ν 1 band of 16 O 12
摘要 为了观察OCSe的红外光谱,使用热管反应器很容易地合成了足够量的OCSe。在 400 ∼ 4000 cm -1 范围内观察到 13 个振动带,其中 7 个从未被报道过。OCSe 2 ν 1 波段的高分辨率FTIR光谱以0.005 cm -1 的分辨率记录。分析提供了天然丰度的 16 O 12 C 80 Se 和 16 O 12 C 78 Se 的 2 ν 1 带的分子常数。
Reconstruction of Mastoid Cavity With Hydroxyapatite Cement and Postauricular Flap