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Topic Title: 1H NMR Prediction problem
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Created On: 2/14/2011 8:42 PM
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 2/14/2011 8:42 PM
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byt2104

Posts: 2
Joined: 2/14/2011

I'm using ChemBioDraw in order to analyze structures for a lab report. When I draw p-bromophenol or p-nitrophenol, the 1H NMR prediction seems to have a bug - sometimes the substituents aren't recognized, or H is placed in the wrong place. For some reason either a C will not be recognized as having an H, or it will have too many. Sometimes it works properly. Any help to fix this would be appreciated.
 4/20/2011 4:06 PM
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vespaio

Posts: 12
Joined: 4/20/2011

Hello,

I've got the same bug.

If I try to predict the NMR spectrum of a benzene with two subsitutes I find two carbons having two H, and a strange spectrum (clearly it's wrong).

Anyway chemical properties say that benzene template is right.

It should be a bug of the spectrum file. any fixing way?

 4/20/2011 4:06 PM
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vespaio

Posts: 12
Joined: 4/20/2011

Hello,

I've got the same bug.

If I try to predict the NMR spectrum of a benzene with two subsitutes I find two carbons having two H, and a strange spectrum (clearly it's wrong).

Anyway chemical properties say that benzene template is right.

It should be a bug of the spectrum file. any fixing way?

 4/20/2011 4:06 PM
User is offline View Users Profile Print this message


vespaio

Posts: 12
Joined: 4/20/2011

Hello,

I've got the same bug.

If I try to predict the NMR spectrum of a benzene with two subsitutes I find two carbons having two H, and a strange spectrum (clearly it's wrong).

Anyway chemical properties say that benzene template is right.

It should be a bug of the spectrum file. any fixing way?

 4/20/2011 4:06 PM
User is offline View Users Profile Print this message


vespaio

Posts: 12
Joined: 4/20/2011

Hello,

I've got the same bug.

If I try to predict the NMR spectrum of a benzene with two subsitutes I find two carbons having two H, and a strange spectrum (clearly it's wrong).

Anyway chemical properties say that benzene template is right.

It should be a bug of the spectrum file. any fixing way?

 4/20/2011 4:06 PM
User is offline View Users Profile Print this message


vespaio

Posts: 12
Joined: 4/20/2011

Hello,

I've got the same bug.

If I try to predict the NMR spectrum of a benzene with two subsitutes I find two carbons having two H, and a strange spectrum (clearly it's wrong).

Anyway chemical properties say that benzene template is right.

It should be a bug of the spectrum file. any fixing way?

 4/20/2011 4:06 PM
User is offline View Users Profile Print this message


vespaio

Posts: 12
Joined: 4/20/2011

Hello,

I've got the same bug.

If I try to predict the NMR spectrum of a benzene with two subsitutes I find two carbons having two H, and a strange spectrum (clearly it's wrong).

Anyway chemical properties say that benzene template is right.

It should be a bug of the spectrum file. any fixing way?

 4/20/2011 4:06 PM
User is offline View Users Profile Print this message


vespaio

Posts: 12
Joined: 4/20/2011

Hello,

I've got the same bug.

If I try to predict the NMR spectrum of a benzene with two subsitutes I find two carbons having two H, and a strange spectrum (clearly it's wrong).

Anyway chemical properties say that benzene template is right.

It should be a bug of the spectrum file. any fixing way?

 4/20/2011 4:06 PM
User is offline View Users Profile Print this message


vespaio

Posts: 12
Joined: 4/20/2011

Hello,

I've got the same bug.

If I try to predict the NMR spectrum of a benzene with two subsitutes I find two carbons having two H, and a strange spectrum (clearly it's wrong).

Anyway chemical properties say that benzene template is right.

It should be a bug of the spectrum file. any fixing way?

 4/20/2011 4:06 PM
User is offline View Users Profile Print this message


vespaio

Posts: 12
Joined: 4/20/2011

Hello,

I've got the same bug.

If I try to predict the NMR spectrum of a benzene with two subsitutes I find two carbons having two H, and a strange spectrum (clearly it's wrong).

Anyway chemical properties say that benzene template is right.

It should be a bug of the spectrum file. any fixing way?

 4/20/2011 4:06 PM
User is offline View Users Profile Print this message


vespaio

Posts: 12
Joined: 4/20/2011

Hello,

I've got the same bug.

If I try to predict the NMR spectrum of a benzene with two subsitutes I find two carbons having two H, and a strange spectrum (clearly it's wrong).

Anyway chemical properties say that benzene template is right.

It should be a bug of the spectrum file. any fixing way?

 4/20/2011 4:06 PM
User is offline View Users Profile Print this message


vespaio

Posts: 12
Joined: 4/20/2011

Hello,

I've got the same bug.

If I try to predict the NMR spectrum of a benzene with two subsitutes I find two carbons having two H, and a strange spectrum (clearly it's wrong).

Anyway chemical properties say that benzene template is right.

It should be a bug of the spectrum file. any fixing way?

 4/20/2011 4:06 PM
User is offline View Users Profile Print this message


vespaio

Posts: 12
Joined: 4/20/2011

Hello,

I've got the same bug.

If I try to predict the NMR spectrum of a benzene with two subsitutes I find two carbons having two H, and a strange spectrum (clearly it's wrong).

Anyway chemical properties say that benzene template is right.

It should be a bug of the spectrum file. any fixing way?

 5/2/2011 3:19 PM
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CS Talbot

Posts: 97
Joined: 2/26/2009

Make sure you are using the latest version of the software. You can find updates on our Support Download page: http://www.cambridgesoft.com/services/DesktopSupport/Downloads/

If that does not help, please contact Support, and be sure to include a sample file showing the problem. Please be sure to also include information about your environment, specifically your OS and if it is 32 or 64 bit if on a PC.

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