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All results from a given calculation for HSCN (thiocyanic acid)

using model chemistry: PBEPBE/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/STO-3G
 hartrees
Energy at 0K-485.721399
Energy at 298.15K-485.721864
HF Energy-485.721399
Nuclear repulsion energy76.443152
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at PBEPBE/STO-3G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 2853 2606 6.48      
2 A' 2234 2041 0.97      
3 A' 1052 961 11.08      
4 A' 713 651 0.74      
5 A' 333 305 2.79      
6 A" 376 344 0.68      

Unscaled Zero Point Vibrational Energy (zpe) 3780.5 cm-1
Scaled (by 0.9136) Zero Point Vibrational Energy (zpe) 3453.9 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at PBEPBE/STO-3G
ABC
9.13368 0.18254 0.17896

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.072 -1.027 0.000
C2 0.000 0.700 0.000
N3 -0.021 1.915 0.000
H4 1.300 -1.172 0.000

Atom - Atom Distances (Å)
  S1 C2 N3 H4
S11.72882.94301.3794
C21.72881.21552.2789
N32.94301.21553.3580
H41.37942.27893.3580

picture of thiocyanic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 N3 176.607 C2 S1 H4 93.629
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.224      
2 C -0.083      
3 N -0.181      
4 H 0.040      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.889 -3.044 0.000 3.172
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.899 -1.236 0.000
y -1.236 -25.926 0.000
z 0.000 0.000 -21.817
Traceless
 xyz
x 3.973 -1.236 0.000
y -1.236 -5.069 0.000
z 0.000 0.000 1.096
Polar
3z2-r22.191
x2-y26.028
xy-1.236
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.660 -0.385 0.000
y -0.385 4.170 0.000
z 0.000 0.000 0.568


<r2> (average value of r2) Å2
<r2> 62.736
(<r2>)1/2 7.921