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Topic: Point group of dichlorospiroheptane  (Read 4119 times)

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Offline O Cabra

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Point group of dichlorospiroheptane
« on: October 23, 2017, 03:03:29 PM »
Hey guys,

I'm working on a problem that involves the point group of dichlorospiroheptane. I though it was a Cs or C1, but these are both wrong. I'm having trouble seeing any other symmetry operations, so I was just looking for some input. I attached a picture of the molecule below. Thanks
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Offline Corribus

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Re: Point group of dichlorospiroheptane
« Reply #1 on: October 23, 2017, 04:44:48 PM »
What symmetry operations do you see?
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Offline O Cabra

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Re: Point group of dichlorospiroheptane
« Reply #2 on: October 23, 2017, 04:46:35 PM »
All i can see is an E operation and possibly a C2 but i'm not sure
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Offline Corribus

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Re: Point group of dichlorospiroheptane
« Reply #3 on: October 23, 2017, 05:48:42 PM »
I believe there's a C2 axis, but it's really hard to picture.

Here's a way: take the index fingers of your two hands and make an X with them right in front of your face so you are looking right where your fingers cross. Imagine the fingernails are the two chlorine atoms. Do you see it now?
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What men are poets who can speak of Jupiter if he were like a man, but if he is an immense spinning sphere of methane and ammonia must be silent?  - Richard P. Feynman

Offline O Cabra

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Re: Point group of dichlorospiroheptane
« Reply #4 on: October 23, 2017, 06:08:28 PM »
Yes thats what i was thinking. So in that case it would be a C2 point group right?
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Offline Corribus

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Re: Point group of dichlorospiroheptane
« Reply #5 on: October 23, 2017, 11:31:17 PM »
Yes I would think so.
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What men are poets who can speak of Jupiter if he were like a man, but if he is an immense spinning sphere of methane and ammonia must be silent?  - Richard P. Feynman
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