22 A Textbook of Inorganic Chemistry – Volume I 3 Trigonal Planar (BF 3 ) V-Shape (SO 2 ) 4 Tetrahedral (CH 4) Trigonal pyramidal Bent (H 2 O) (NH 3 ) 5 Trigonal bipyramidal (PCl 5 ) Seesaw (SF 4 ) T-shaped (ClF 3 ) Linear (I 3 ) 6 Octahedral (SF 6 ) Square pyramidal (BrF 5 ) Square planar (XeF 4 ) 7 Pentagonal bipyramidal (IF 7 ) Pentagonal pyramidal (XeOF 5 ) Pentagonal planar (XeF 5 ) Figure 20. The overall geometry of the compound is predicted by the total number of lone pairs and bond pairs of the electrons i.e. the steric number of the system. Buy the complete book with TOC navigation, high resolution images and no watermark. Copyright © Mandeep Dalal