Bond angles in Trigonal Bipyramidal

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Qiu Ya Wu 4I
Posts: 107
Joined: Fri Sep 20, 2019 12:17 am

Bond angles in Trigonal Bipyramidal

Postby Qiu Ya Wu 4I » Wed Nov 20, 2019 6:06 pm

Does a trigonal bypryramidal shape have bond angles of 90, 120, AND 180? I have 180 degrees written down in my notes as well but the book seems to exclude it and only states the angles of 90 and 120.

Victoria Zheng--2F
Posts: 103
Joined: Fri Aug 09, 2019 12:17 am

Re: Bond angles in Trigonal Bipyramidal

Postby Victoria Zheng--2F » Wed Nov 20, 2019 6:08 pm

A trigonal bipyramidal shape molecule does have bond angles of 90, 120, and 180.

Jorge Ramirez_4H
Posts: 54
Joined: Wed Nov 21, 2018 12:19 am

Re: Bond angles in Trigonal Bipyramidal

Postby Jorge Ramirez_4H » Wed Nov 20, 2019 7:11 pm

How do we know which are 90 and which are 120 degrees?

Tyler Angtuaco 1G
Posts: 130
Joined: Wed Sep 11, 2019 12:16 am

Re: Bond angles in Trigonal Bipyramidal

Postby Tyler Angtuaco 1G » Wed Nov 20, 2019 7:14 pm

Trigonal byprimadal electron arrangements have bond angles of 90, 120, and 180 degrees. Maybe you named the molecule by its electron arrangement rather than its molecular shape, which would differ since it only accounts for atoms and because its bond angles would be affected by lone pairs.

MeeraBhagat
Posts: 95
Joined: Sat Aug 24, 2019 12:15 am

Re: Bond angles in Trigonal Bipyramidal

Postby MeeraBhagat » Thu Nov 21, 2019 10:41 am

Yes, it has all three. The 180 degree angle is the angle between the bond sticking straight up and straight down.


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