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

using model chemistry: PBEPBE/6-31G**

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/6-31G**
 hartrees
Energy at 0K-491.319332
Energy at 298.15K-491.319887
HF Energy-491.319332
Nuclear repulsion energy77.961697
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/6-31G**
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' 2612 2577 0.18      
2 A' 2208 2178 17.14      
3 A' 939 926 9.85      
4 A' 686 677 0.01      
5 A' 322 318 3.79      
6 A" 385 380 1.10      

Unscaled Zero Point Vibrational Energy (zpe) 3576.4 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 3527.4 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/6-31G**
ABC
9.44051 0.18980 0.18606

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.070 -1.007 0.000
C2 0.000 0.696 0.000
N3 -0.022 1.874 0.000
H4 1.279 -1.186 0.000

Atom - Atom Distances (Å)
  S1 C2 N3 H4
S11.70442.88171.3610
C21.70441.17852.2753
N32.88171.17853.3252
H41.36102.27533.3252

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 176.559 C2 S1 H4 95.186
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.127      
2 C 0.105      
3 N -0.352      
4 H 0.120      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.092 -3.099 0.000 3.286
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.688 -1.693 0.000
y -1.693 -27.955 0.000
z 0.000 0.000 -25.157
Traceless
 xyz
x 4.868 -1.693 0.000
y -1.693 -4.532 0.000
z 0.000 0.000 -0.336
Polar
3z2-r2-0.671
x2-y26.266
xy-1.693
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.272 -0.277 0.000
y -0.277 6.944 0.000
z 0.000 0.000 2.598


<r2> (average value of r2) Å2
<r2> 62.419
(<r2>)1/2 7.901