2016年8月10日 · An SP3 C-H stretch means that the carbon only has single bonds to it and SP2 C-H stretch reveals that the carbon has a double bond. This is very useful for determining …

2023年10月3日 · Specifically, on the IR spectrum, you will see peaks like the graph will stretch down ~3000. If it is <3000 it is sp3 hybridized C-H stretches. >3000 is sp2 hybridized C-H …

2018年8月15日 · 3300-3700: OH, NH, CH(sp) 2700-3300: CH (sp2, sp3) 2100-2400: triple bonds (remember, third row = triple bond) 1650-1950: carbonyl groups 1500-1650: double bonds …

2015年11月14日 · There are 3 orbitals. In sp^2 hybridization one s and 2 p orbitals are mixed up to form equal number of orbitals having same energy and shape.

2019年10月3日 · I think when we talk about bond strength we generally talk about the energy required for a homolytic dissociation of the bond, which in the case of sp C-H bonds is greater …

27 votes, 19 comments. 72K subscribers in the chemhelp community. r/chemhelp has made the decision to go dark in light of recently announced reddit…

2016年8月10日 · Posted by u/CENTRAL_BANKS_ARE_OP - 2 votes and 1 comment

2021年3月25日 · C-H streching at 2932, C=O streching at 1740 and C=C streching at 1649 are correct. 995-985 is C=C bending, C-O streching should be around 1210-1163, but:

2018年11月22日 · The shorthand is the number of atoms bonded to a given atom + the number of lone pairs = the number of hybridized orbitals (e.g. 2 = sp, 3 = sp2, 4 = sp3). Reply …

2016年9月3日 · An sp^2 orbital is made of 1 s orbital and 2 p orbitals. Aluminum number 13 has three valance electrons. One of the two electrons in the s orbital can promoted to a p orbital. …