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: PBE1PBE/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBE1PBE/6-311+G(3df,2p)
 hartrees
Energy at 0K-491.415292
Energy at 298.15K-491.415941
HF Energy-491.415292
Nuclear repulsion energy79.152348
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 PBE1PBE/6-311+G(3df,2p)
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' 2698 2698 7.11      
2 A' 2309 2309 21.07      
3 A' 980 980 7.74      
4 A' 721 721 0.25      
5 A' 349 349 3.79      
6 A" 417 417 0.84      

Unscaled Zero Point Vibrational Energy (zpe) 3737.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 3737.1 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 PBE1PBE/6-311+G(3df,2p)
ABC
9.65325 0.19560 0.19171

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.070 -0.993 0.000
C2 0.000 0.690 0.000
N3 -0.022 1.844 0.000
H4 1.265 -1.162 0.000

Atom - Atom Distances (Å)
  S1 C2 N3 H4
S11.68482.83721.3450
C21.68481.15362.2430
N32.83721.15363.2695
H41.34502.24303.2695

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 176.561 C2 S1 H4 94.853
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.055      
2 C 0.758      
3 N -0.875      
4 H 0.172      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.906 -3.427 0.000 3.545
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.935 -1.439 0.000
y -1.439 -28.635 0.000
z 0.000 0.000 -25.454
Traceless
 xyz
x 5.110 -1.439 0.000
y -1.439 -4.941 0.000
z 0.000 0.000 -0.169
Polar
3z2-r2-0.338
x2-y26.700
xy-1.439
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.298 -0.209 0.000
y -0.209 7.803 0.000
z 0.000 0.000 4.124


<r2> (average value of r2) Å2
<r2> 61.291
(<r2>)1/2 7.829