Trigonal pyramidal molecular geometry

Phosphine, an example of a molecule with a trigonal pyramidal geometry.

In chemistry, a trigonal pyramid is a molecular geometry with one atom at the apex and three atoms at the corners of a trigonal base. When all three atoms at the corners are identical, the molecule belongs to point group C_3v. Some molecules and ions with trigonal pyramidal geometry are ammonia (NH₃), xenon trioxide, XeO₃, the chlorate ion, ClO₃, and the sulfite ion, SO₃. In organic chemistry, molecules which have a trigonal pyramidal geometry are sometimes described as sp hybridized. The AXE method for VSEPR theory states that the classification is AX₃E₁.

单词	Trigonal Pyramidal
释义	Trigonal Pyramidal 英语百科 Trigonal pyramidal molecular geometry In chemistry, a trigonal pyramid is a molecular geometry with one atom at the apex and three atoms at the corners of a trigonal base. When all three atoms at the corners are identical, the molecule belongs to point group C_3v. Some molecules and ions with trigonal pyramidal geometry are ammonia (NH₃), xenon trioxide, XeO₃, the chlorate ion, ClO₃, and the sulfite ion, SO₃. In organic chemistry, molecules which have a trigonal pyramidal geometry are sometimes described as sp hybridized. The AXE method for VSEPR theory states that the classification is AX₃E₁.
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Trigonal Pyramidal

Trigonal pyramidal molecular geometry