Dihedral angles - how to calculate
George A. Heavner
gheavner at voicenet.com
Wed Feb 19 22:04:06 EST 1997
I am working on a project where I have cartesian coordinates for four
consecutive atoms and need to calculate the dihedral angle (with correct
sign). I am not a crystallographer and readily admit to difficulty with
the math. The magnitude is not difficult (angle between two planes) but
I am stuck on the sign. Can anyone provide me with the procedure or
point me to a readily intelligible text or other source.
Thanks
George A. Heavner
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