trigonal

Example Sentences

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In typical alkenes, the carbons adopt a trigonal planar geometry, creating a flat structure around the double bond.

From Science Daily • Jan. 23, 2026

They believed the reason trigonal chloride electrolytes can achieve low ionic conductivity is based on the variation of metal ion arrangements within the structure.

From Science Daily • Nov. 2, 2023

Borate anions range from the simple trigonal planar ion to complex species containing chains and rings of three- and four-coordinated boron atoms.

From Textbooks • Feb. 14, 2019

These nonpolar molecules contain boron with sp2 hybridization and a trigonal planar molecular geometry.

From Textbooks • Feb. 14, 2019

In the rhomobohedral or trigonal division of the hexagonal system there are seven symmetry-classes, all of which possess a single triad axis of symmetry.

From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" by Various