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

using model chemistry: PBEPBE/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-491.416292
Energy at 298.15K-491.417040
HF Energy-491.416292
Nuclear repulsion energy79.539056
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/Def2TZVPP
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' 3593 3550 184.77      
2 A' 2003 1979 587.80      
3 A' 870 859 0.97      
4 A' 671 663 308.87      
5 A' 452 446 51.89      
6 A" 476 470 4.52      

Unscaled Zero Point Vibrational Energy (zpe) 4032.0 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 3983.2 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/Def2TZVPP
ABC
33.90388 0.19484 0.19373

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.160 1.695 0.000
C2 0.000 0.493 0.000
S3 0.038 -1.079 0.000
H4 0.517 2.448 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4
N11.21262.78161.0124
C21.21261.57302.0218
S32.78161.57303.5595
H41.01242.02183.5595

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 173.785 C2 N1 H4 130.420
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.168      
2 C 0.100      
3 S -0.151      
4 H 0.220      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.103 1.464 0.000 1.833
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.357 2.974 0.000
y 2.974 -19.442 0.000
z 0.000 0.000 -25.178
Traceless
 xyz
x -2.047 2.974 0.000
y 2.974 5.325 0.000
z 0.000 0.000 -3.278
Polar
3z2-r2-6.557
x2-y2-4.915
xy2.974
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.532 -0.220 0.000
y -0.220 9.529 0.000
z 0.000 0.000 3.412


<r2> (average value of r2) Å2
<r2> 61.037
(<r2>)1/2 7.813