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

using model chemistry: B3LYP/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/aug-cc-pVDZ
 hartrees
Energy at 0K-491.672496
Energy at 298.15K-491.673252
HF Energy-491.672496
Nuclear repulsion energy79.262369
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 B3LYP/aug-cc-pVDZ
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' 3652 3544 222.97      
2 A' 2028 1968 755.96      
3 A' 873 848 1.43      
4 A' 676 656 341.07      
5 A' 449 435 60.95      
6 A" 477 463 4.41      

Unscaled Zero Point Vibrational Energy (zpe) 4077.8 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 3957.1 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 B3LYP/aug-cc-pVDZ
ABC
33.43207 0.19341 0.19230

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.165 1.700 0.000
C2 0.000 0.500 0.000
S3 0.040 -1.084 0.000
H4 0.515 2.448 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4
N11.21092.79131.0108
C21.21091.58472.0144
S32.79131.58473.5634
H41.01082.01443.5634

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 173.615 C2 N1 H4 129.889
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.114      
2 C -0.255      
3 S 0.162      
4 H -0.021      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.107 1.527 0.000 1.886
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.724 3.071 0.000
y 3.071 -19.998 0.000
z 0.000 0.000 -25.593
Traceless
 xyz
x -1.929 3.071 0.000
y 3.071 5.161 0.000
z 0.000 0.000 -3.232
Polar
3z2-r2-6.463
x2-y2-4.726
xy3.071
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.272 -0.230 0.000
y -0.230 10.019 0.000
z 0.000 0.000 4.227


<r2> (average value of r2) Å2
<r2> 61.638
(<r2>)1/2 7.851