- Click and drag to rotate the structure; hold down shift, then click and drag to zoom.
 
						- Select the MO to view using the menu.
 
						- Select the type of surface using the radio buttons.
 
						- Use the check box to display the nodal surface (zero contour - shown as a green mesh).
 
						- Use the buttons to change the iso-surface value.
 
					 
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