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Questions tagged [structural-formula]

This tag should be applied to questions about structural diagrams - diagrams used to show the crude location of possible existent bonds and lone pairs of electrons in a chemical species. Do not use this tag if your question is about Lewis structures, use [lewis-structures] instead.

2 votes
1 answer
152 views

What is the criss-cross C-N bond in furazolidone? [duplicate]

What is the cross C-N bond in the structure of furazolidone? I have never seen this notation before and couldn't find anything on it.
imrobert's user avatar
  • 163
-2 votes
1 answer
66 views

What do the arrows mean in the Structural Formula of Oxaliplatin? [duplicate]

What do the arrows mean in the Structural Formula of Oxaliplatin? I haven't seen these and couldn't find anything explaining them.
imrobert's user avatar
  • 163
-2 votes
1 answer
77 views

How to calculate oxidation number for silver hexafluorophosphate (AgPF6)? [closed]

I'm doing some exercise of assigning oxidation numbers and I am stuck with this compound: $$\ce{AgPF6}$$ According to the guidelines fluorine is always -1. But how do I know how to split the +6 among ...
Spi-Phi Quotes's user avatar
5 votes
1 answer
166 views

From chemfig to .mol file/SMILES

I usually draw molecules using the markup language known as LaTeX. In particular, I use the chemfig package. I much prefer this method over WYSIWYG apps because it ...
user3204810's user avatar
-3 votes
1 answer
327 views

How many aldehydes and ketones can be formed from molecular formula C5H10O? [closed]

Question: What are the possible aldehydes and ketones with molecular formula $\ce{C5H10O$ (including the stereoisomers)? Answer: 5 aldehydes and 3 ketones The degree of unsaturation of the compound ...
Prithuj Sarkar's user avatar
1 vote
2 answers
311 views

Molecular orbital picture in conjugated molecules - double bonds

I am a not a chemistry student but a physics student. Nevertheless, I am quite familiar with molecular orbital theory and similar quantum chemistry concepts. However, I have problems understanding the ...
Lockhart 's user avatar
1 vote
1 answer
285 views

Converting structures into Fisher projections

I am really struggling with converting pyrano/furanosides into their Fisher projection counterparts. Especially when they are drawn like in the shown projection. When do you know to connect the ...
Abigail's user avatar
  • 11
0 votes
2 answers
117 views

Shouldn't the Cl- be placed beside the charged N+ ion when writing the structural formula of Benzenediazonium chloride?

I found the structural formula of Benzenediazonium chloride written on a website: I believe that the Cl- ion is stabilizing the N+ ion. So, shouldn't the structural formula be written like the above ...
tryingtobeastoic's user avatar
-2 votes
1 answer
901 views

How to draw the structural formula for 3-ethyl-5-methyl-3-heptene? [closed]

This is the kind of structural formula we need to draw: I took help from Reddit. Here is the attempt: I have done one more attempt: Though the 4th carbon of the left condensed version needs to have ...
Asmodean's user avatar
7 votes
1 answer
756 views

Listing all possible structures for a given Markush structure automatically

I have Markush formulas described as mol blocks, v3000, even if that does not matter that much because I could convert it into another format if needed. I need the possibility to automatically list ...
bfalk's user avatar
  • 73
-1 votes
1 answer
192 views

Given type and number of carbon atoms and degree of unsaturation of a hydrocarbon, write structural formula

Write a structural formula of the hydrocarbon that contains 4 primary carbon atoms, 2 ternary carbon atoms, 3 quaternary carbon atoms, and has degree of unsaturation 3. This has been given at the ...
Neox's user avatar
  • 107
-1 votes
1 answer
71 views

Where are the C and H atoms in 1,3,3,3-Tetrafluoropropene? [closed]

I'm learning about refrigerants, and one refrigerant is R-1234ze, otherwise known as 1,3,3,3-Tetrafluoropropene. On Wikipedia, it says that the chemical formula is $\ce{C_3H_2F_4}$. But, Wikipedia ...
solvingPuzzles's user avatar
2 votes
2 answers
983 views

How to highlight the substructure of a molecule with thick red lines in RDKit as SVG (high res)

I have the following code: ...
littleworth's user avatar
12 votes
1 answer
347 views

What's the difference between a 'centered' and 'side' double bond on a structural formula?

It's hard to explain since I don't know what you'd call this but here's what I mean: You can see that the oxygen is drawn with two bonds centred on the diagram while the nitrogen has a single centred ...
Krys's user avatar
  • 171
0 votes
0 answers
35 views

How to draw a skeletal formula with thick lines and high resolution? [duplicate]

Consider the caffeine molecule skeletal formula as depicted in the Wikimedia Commons .svg file. Suppose that I want to replicate this skeletal formula with a high resolution and thicker lines. I have ...
EoDmnFOr3q's user avatar

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