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

using model chemistry: B97D3/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/aug-cc-pVTZ
 hartrees
Energy at 0K-491.651558
Energy at 298.15K-491.652318
HF Energy-491.651558
Nuclear repulsion energy79.592596
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 B97D3/aug-cc-pVTZ
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' 3604 3549 176.17      
2 A' 1994 1964 644.53      
3 A' 867 853 0.89      
4 A' 689 679 319.91      
5 A' 451 444 46.76      
6 A" 474 466 5.46      

Unscaled Zero Point Vibrational Energy (zpe) 4039.2 cm-1
Scaled (by 0.9847) Zero Point Vibrational Energy (zpe) 3977.4 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 B97D3/aug-cc-pVTZ
ABC
33.38275 0.19509 0.19396

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.167 1.693 0.000
C2 0.000 0.495 0.000
S3 0.041 -1.079 0.000
H4 0.512 2.438 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4
N11.21032.78021.0081
C21.21031.57432.0098
S32.78021.57433.5486
H41.00812.00983.5486

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 173.550 C2 N1 H4 129.689
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.096      
2 C -0.130      
3 S 0.041      
4 H 0.185      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.059 1.439 0.000 1.786
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.420 2.948 0.000
y 2.948 -19.740 0.000
z 0.000 0.000 -25.248
Traceless
 xyz
x -1.927 2.948 0.000
y 2.948 5.095 0.000
z 0.000 0.000 -3.168
Polar
3z2-r2-6.336
x2-y2-4.681
xy2.948
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.504 -0.234 0.000
y -0.234 10.014 0.000
z 0.000 0.000 4.464


<r2> (average value of r2) Å2
<r2> 61.048
(<r2>)1/2 7.813