Questions tagged [nomenclature]
This tag should be used for questions about the naming of compounds and elements, usually using systematic names according to IUPAC recommendations, but also using retained traditional names.
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Why is this amine called this way?
I used a molecule drawing app to name the compound in the image, an amine. The name of the compound is 3-(aminomethyl)hexane according to the app. Shouldn't the name be 2-ethylpentan-1-amine?
The ...
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What word is to chalcogen and pnictogen as halide is to halogen?
Would "chalcide" be understood as a group 16 dianion (and something less electronegative)? Would "pnictide" be understood as a group 15 trianion (and something less electronegative)?
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What should be the IUPAC name of [(NH3)5Co-NH2-Co(NH3)4(H2O)]?
What should be the IUPAC name of $\ce{(NH3)5Co-NH2-Co(NH3)4(H2O)]}$?
This is similar to $\ce{[(NH3)5Co-NH2-Co(NH3)5](NO3)5}$, i.e. μ-amido-bis[pentaamminecobalt(III)] nitrate. But the two parts are ...
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How can I draw 2,3-diethylheptane?
This question was given by my teacher in class:
Draw the structure of 2,3-diethylheptane.
So I drew the following:
But now if I name the compound according to the longest chain, it comes out to ...
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Organic compound nomenclature
As I learn nomenclature, I was told that -OH has higher priority than alkene. However, the last compound says otherwise. What is the key here?
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How to apply the Cahn–Ingold–Prelog priority rules to an isotopically-labeled molecule?
Is the following the correct designation (S) for the chiral carbon in a skeletal representation of 1-chloro(3-13C)butan-2-amine?
The CIP rules say to go one at a time by each rule until you find an ...
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Why is o used for hydroxy groups in IUPAC naming instead of saying 2-hydroxy [closed]
For this question, i marked compound II correct as 2-methylbenzaldehyde and got the question correct, but for compound I, i marked it wrong and suggested the name to be 2-hydroxybenzaldehyde. I got ...
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Are CAS numbers considered proprietary?
I’m interested in working with a large dataset consisting of CAS numbers and each corresponding molecule/chemical unit’s name. From my understanding, CAS Registry Numbers are assigned and stored by a ...
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How did Halogens become known as Halogens? They are not the only elements that form salts!
Having never given it a though before, I recently discovered (in a different context) that the prefix halo- actually means 'salt' or 'sea' and the suffix -gen means 'to form' or 'to generate'. So the ...
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Nomenclature for 5-Methylhepta-1,3,6-triene
I was practicing writing nomenclatures for several organic compounds with the help of Blue Book Essentials and I have some queries regarding the following structure:
According to the blue book, the ...
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How do I number the atoms in strychnine?
I know the basics of naming organic molecules, but this one is a bit more complex than I'm capable of. How can I number the atoms in strychnine?
Systematic IUPAC name: ($4$bR,$4$b$^1$S,$7$aS,$8$aR,$8$...
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Can someone help me name this molecule? [closed]
I'm having a hard time deciphering it's IUPAC name like I have 4-butanoxy and 3-propanoxy so far, but how do you put it all together with the double-bonded oxygen?
Thank you and really sorry for the ...
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How to name LiN(CF2SO3)2?
I found this compound in the list of inorganic lithium salts from this article on ScienceDirect.
It is said to be of the sulfonate group. Let's focus on the anion alone.
I'm not sure if it can be bis(...
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Confusion in the name of this organic compound
I think the name of the above compound should be 3-Ethyl-2-methylcyclohex-1-ene. However, according to my book (Organic Chemistry Resonance DLPD, page #43, question #5), this organic compound is 6-...
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Naming and structure of PtCl4.2HCl (complex/coordination compound)
Given that $\ce{PtCl4.2HCl}$ when reacted with excess of $\ce{AgNO3}$ produced zero moles of $\ce{AgCl}$, I understand that all the chlorine atoms are inside the coordination sphere. But what will the ...
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