Frozen Molecule:
(This Tutorial is Picture free until the end.)
Step 1 New Document 432 x 432 pixels.
Step 2 Fill with Black
Step 3 Filter > Render > Lens Flare (Place it Around the top left corner)
Step 4 Filter > Render > Lens Flare (Place it opposite the previous lens flare.)
Step 5 Filter > Stylize > Glowing Edges
(Edge Width 2 | Edge Brightness 20 | Smoothness 1)
Step 6 Duplicate Layer
Step 7 Filter > Stylize > Find Edges
Step 8 Filter > Sketch > Chrome ( Detail 0 | Smoothness 10)
Step 9 Image > Adjustments > Invert (Ctrl + I)
Step 10 Filter > Render > Difference Clouds
Press Ctrl + f once to repeat the last effect.
Step 11 Duplicate Layer.
Step 12 Filter > Render > Lighting Effects
Settings : (Style : Blue Omni | Intensity : 46 | Gloss : 100 | Material : 100 | Exposure : 100 | Ambience : 35 )
Step 13 Filter > Sharpen > Sharpen More
Then Set The Blending Mode to Screen
END RESULT:

If It got confusing, Let me know and i'll try to help you out 8)
-Scott