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

using model chemistry: TPSSh/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at TPSSh/6-311G*
 hartrees
Energy at 0K-491.685612
Energy at 298.15K-491.686371
HF Energy-491.685612
Nuclear repulsion energy79.625193
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 TPSSh/6-311G*
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' 3667 3532 176.05      
2 A' 2046 1971 667.51      
3 A' 877 845 1.89      
4 A' 683 658 387.88      
5 A' 455 438 62.23      
6 A" 480 462 2.91      

Unscaled Zero Point Vibrational Energy (zpe) 4104.0 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 3953.0 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 TPSSh/6-311G*
ABC
35.03068 0.19512 0.19404

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.164 1.691 0.000
C2 0.000 0.497 0.000
S3 0.041 -1.079 0.000
H4 0.498 2.450 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4
N11.20562.77791.0072
C21.20561.57652.0160
S32.77791.57653.5591
H41.00722.01603.5591

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 173.653 C2 N1 H4 131.101
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.583      
2 C 0.177      
3 S 0.043      
4 H 0.363      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.243 1.857 0.000 2.235
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.411 -0.267 0.000
y -0.267 9.029 0.000
z 0.000 0.000 2.238


<r2> (average value of r2) Å2
<r2> 60.987
(<r2>)1/2 7.809