return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: HF/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/6-311G*
 hartrees
Energy at 0K-490.427178
Energy at 298.15K-490.427893
HF Energy-490.427178
Nuclear repulsion energy79.205043
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 HF/6-311G*
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' 2835 2564 0.17      
2 A' 2549 2305 21.55      
3 A' 1097 992 14.45      
4 A' 730 661 3.08      
5 A' 375 339 6.18      
6 A" 440 398 4.08      

Unscaled Zero Point Vibrational Energy (zpe) 4013.4 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 3629.7 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 HF/6-311G*
ABC
9.88080 0.19476 0.19099

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.079 -0.997 0.000
C2 0.000 0.709 0.000
N3 0.004 1.839 0.000
H4 1.239 -1.183 0.000

Atom - Atom Distances (Å)
  S1 C2 N3 H4
S11.70722.83711.3313
C21.70721.13052.2612
N32.83711.13053.2647
H41.33132.26123.2647

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 177.533 C2 S1 H4 95.376
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.089      
2 C 0.036      
3 N -0.314      
4 H 0.189      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.080 -3.371 0.000 3.540
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.290 -1.877 0.000
y -1.877 -29.044 0.000
z 0.000 0.000 -25.900
Traceless
 xyz
x 5.182 -1.877 0.000
y -1.877 -4.948 0.000
z 0.000 0.000 -0.233
Polar
3z2-r2-0.466
x2-y26.753
xy-1.877
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.234 -0.202 0.000
y -0.202 6.318 0.000
z 0.000 0.000 2.347


<r2> (average value of r2) Å2
<r2> 61.701
(<r2>)1/2 7.855