1. STS_molecule_1
Rows: 200, Start value (x0) = -2.2, dx = 0.0201005 

2. STS_molecule_2
Rows: 200, Start value (x0) = -2.2, dx = 0.0201005 

3. STS_reference_Au(111)
Rows: 200, Start value (x0) = -2.2, dx = 0.0201005

Units for x0 and dx: V.
Units for ordinate: a.u.