FUNDAMENTAL STRUCTURES


EP = Electron Pairs
BP = Bonded Pairs
LP = Lone Pairs  

GEOMETRIC									MOLECULAR									    	       VSEPR				 EXAMPLE
ORIENTATION (EP)  GEOMETRY (BP, LP)	       	   	NOTATION  FORMULA
Linear (1)								Linear (1, 0)											     	A2				    H2

Linear (2)								Linear (2, 0)											     	AX2			    BeH2
                  Linear (1, 1)                 AXE       CO

Trigonal          Trigonal Planar (3, 0)        AX3       BF3
Planar (3)        Angular (2, 1)		             	AX2E		    SO2
																		Linear (1, 2)						          	AXE2		    O2

Tetrahedral (4)			Tetrahedral (4, 0)			         AX4			    CH4
															  	Trigonal Pyramidal (3, 1)    	AX3E	     NH3
																 	Angular (2, 2)	               AX2E2     H2O
																  Linear (1, 3)	                AXE3	     HCl

Trigonal          Trigonal Bipyramidal (5, 0)   AX5       PCl5
Bipyramidal (5)   Irregular Tetrahedral (4, 1)  AX4E      SF4
                  T-Shaped (3, 2)	              AX3E2     ClF3
            
      Linear (2, 3)	                AX2E3	    XeF2

Octahedral (6)	   Octahedral (6, 0)            	AX6	      SF6
                  Square Pyramidal (5, 1)	      AX5E	     BrF5
                 	Square Planar (4, 2)         	AX4E2	    XeF4