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

using model chemistry: B3PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/3-21G
 hartrees
Energy at 0K-489.034996
Energy at 298.15K-489.035747
HF Energy-489.034996
Nuclear repulsion energy77.200328
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 B3PW91/3-21G
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' 2458 2362 4.19      
2 A' 2289 2201 5.63      
3 A' 986 948 20.31      
4 A' 662 637 0.69      
5 A' 431 414 4.43      
6 A" 476 457 0.83      

Unscaled Zero Point Vibrational Energy (zpe) 3650.8 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 3509.1 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 B3PW91/3-21G
ABC
9.25316 0.18556 0.18191

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.085 -1.019 0.000
C2 0.000 0.720 0.000
N3 0.012 1.888 0.000
H4 1.277 -1.221 0.000

Atom - Atom Distances (Å)
  S1 C2 N3 H4
S11.74152.90881.3765
C21.74151.16782.3231
N32.90881.16783.3559
H41.37652.32313.3559

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 177.797 C2 S1 H4 95.617
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.347      
2 C -0.072      
3 N -0.418      
4 H 0.144      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.323 -2.752 0.000 3.053
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.287 -2.214 0.000
y -2.214 -28.722 0.000
z 0.000 0.000 -25.560
Traceless
 xyz
x 4.854 -2.214 0.000
y -2.214 -4.799 0.000
z 0.000 0.000 -0.055
Polar
3z2-r2-0.110
x2-y26.435
xy-2.214
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.103 -0.299 0.000
y -0.299 6.086 0.000
z 0.000 0.000 1.871


<r2> (average value of r2) Å2
<r2> 63.860
(<r2>)1/2 7.991