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A generic trigonal planar molecule showing ideal bond angle.

In chemistry, trigonal planar is a molecular geometry with one atom at the center and three atoms at the corners of a triangle all in one plane. In a nonpolar molecule all the bond angles are 120°, although polar molecules - such as H₂CO - will deviate from this ideal geometry. In general the atomic orbitals of a trigonal planar molecule are sp² hybridized. Examples of molecules with a trigonal planar geometry are boron trifluoride and formaldehyde. Image File history File links Trigonal_planar_molecular_shape. ... Image File history File links Trigonal_planar_molecular_shape. ... Chemistry (derived from the Arabic word kimia, alchemy, where al is Arabic for the) is the science that deals with the properties of organic and inorganic substances and their interactions with other organic and inorganic substances. ... Geometry of the water molecule Molecular geometry or molecular structure is the three dimensional arrangement of the atoms that constitute a molecule, inferred from the spectroscopic studies of the compound. ... In chemistry, a nonpolar compound is one that does not have concentrations of positive or negative electric charge. ... In general, a molecule is the smallest particle of a pure chemical substance that still retains its composition and chemical properties. ... Boron trifluoride (BF3, trifluoroborane) is a pungent colourless toxic gas. ... The chemical compound formaldehyde (also known as methanal), is a gas with a strong pungent smell. ...

Pyramidalization is a distortion of this molecular shape towards a tetrahedral molecular geometry. One way to observe this distortion is in pyramidal alkenes. ɜʰ In a tetrahedral molecular geometry a central atom is located at the center with four substituents located at the corners of a tetrahedron. ... Pyramidal alkenes are alkenes in which the two carbon atoms making up the double bond are not coplanar with their four substituents . ...