Orbital hybridisation
Hybridisation and molecule shape
Hybridisation helps to explain molecule shape, since the angles between bonds are (approximately) equal to the angles between hybrid orbitals, as explained above for the tetrahedral geometry of methane.

Orbital hybridisation

Section Title: Hybridisation and molecule shape
Table Section Text: Hybridisation helps to explain molecule shape, since the angles between bonds are (approximately) equal to the angles between hybrid orbitals, as explained above for the tetrahedral geometry of methane.

Classification	Main group	Transition metal

AX2	Linear (180°) sp hybridisation E.g., CO2	Bent (90°) sd hybridisation E.g., VO2+

AX3	Trigonal planar (120°) sp2 hybridisation E.g., BCl3	Trigonal pyramidal (90°) sd2 hybridisation E.g., CrO3

AX4	Tetrahedral (109.5°) sp3 hybridisation E.g., CCl4	Tetrahedral (109.5°) sd3 hybridisation E.g., TiCl4

AX6	C3v Trigonal prismatic (63.4°, 116.6°) sd5 hybridisation E.g., W(CH3)6

Sentence(s)

The tetrahedral bond angle of 109.5°.

final_sentence: The tetrahedral bond angle of 109.5°.