Are There Triangular Molecules?

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An unusual triangle

Trigonals unite!

Two diagrams show the three-dimensional structure of a methane molecule: panel A uses a ball-and-stick model with a central carbon atom connected to four hydrogen atoms in a tetrahedral arrangement, while panel B illustrates the bond angle of 109.5 degrees and bond length of 1.09 angstroms between carbon and hydrogen atoms.

Are There Triangular Molecules?: Media

Images

An unusual triangle

An unusual triangle

Cyclopropane (C₃H₆) is an organic molecule formed of three...

Encyclopædia Britannica, Inc.

Trigonals unite!

Trigonals unite!

Acid-base reaction with ammonia (NH₃) and boron trifluoride (BF₃)...

Encyclopædia Britannica, Inc.

Two diagrams show the three-dimensional structure of a methane molecule: panel A uses a ball-and-stick model with a central carbon atom connected to four hydrogen atoms in a tetrahedral arrangement, while panel B illustrates the bond angle of 109.5 degrees and bond length of 1.09 angstroms between carbon and hydrogen atoms.

Chemical structure of methane

Tetrahedral geometry of methane: (A) stick-and-ball model and (B) diagram showing...

Encyclopædia Britannica, Inc.