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All results from a given calculation for HNCS (Isothiocyanic acid)

using model chemistry: PBEPBE/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 PBEPBE/6-311+G(3df,2p)
 hartrees
Energy at 0K-491.413931
Energy at 298.15K-491.414678
HF Energy-491.413931
Nuclear repulsion energy79.526912
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/6-311+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' 3597 3568 194.48      
2 A' 2001 1985 630.91      
3 A' 870 863 1.17      
4 A' 663 658 309.35      
5 A' 451 448 53.42      
6 A" 475 471 5.88      

Unscaled Zero Point Vibrational Energy (zpe) 4028.5 cm-1
Scaled (by 0.9918) Zero Point Vibrational Energy (zpe) 3995.4 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/6-311+G(3df,2p)
ABC
34.39519 0.19475 0.19365

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.163 1.695 0.000
C2 0.000 0.493 0.000
S3 0.040 -1.080 0.000
H4 0.507 2.454 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4
N11.21222.78161.0127
C21.21221.57362.0252
S32.78161.57363.5646
H41.01272.02523.5646

picture of Isothiocyanic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 S3 173.715 C2 N1 H4 130.870
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.759      
2 C 0.594      
3 S -0.046      
4 H 0.211      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.061 1.444 0.000 1.792
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.602 2.952 0.000
y 2.952 -19.580 0.000
z 0.000 0.000 -25.445
Traceless
 xyz
x -2.090 2.952 0.000
y 2.952 5.444 0.000
z 0.000 0.000 -3.354
Polar
3z2-r2-6.708
x2-y2-5.022
xy2.952
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.274 -0.255 0.000
y -0.255 10.038 0.000
z 0.000 0.000 4.244


<r2> (average value of r2) Å2
<r2> 61.199
(<r2>)1/2 7.823