Triangle-based pyramid in 3D

(P2O3)2 Neutral

With 3 bonds

With two bonds

Molecule

Red Oxygen Grey Phosphorus

As2O3, P2S3, Sb2O3, N2(CH2)3, P4S10, P4O10 [12]

Mn2O3, Me2H3, N2(CH2)3, As2S3, (PS)2O3, (PS)2S3 [13]

P2O3

Neutral

[13]

P2(NMe)3

Neutral

[13]

(P(+)O(−))2O3

Charged

[12] [13]

(RSi)2(PH)3

Neutral

[13]