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

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-311G**
 hartrees
Energy at 0K-491.444065
Energy at 298.15K-491.444803
HF Energy-491.444065
Nuclear repulsion energy79.947101
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 HSEh1PBE/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' 3728 3581 277.81      
2 A' 2096 2013 743.13      
3 A' 894 859 4.87      
4 A' 613 589 323.41      
5 A' 452 434 112.73      
6 A" 489 470 1.19      

Unscaled Zero Point Vibrational Energy (zpe) 4135.8 cm-1
Scaled (by 0.9604) Zero Point Vibrational Energy (zpe) 3972.0 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 HSEh1PBE/6-311G**
ABC
37.57424 0.19652 0.19550

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.134 1.685 0.000
C2 0.000 0.495 0.000
S3 0.026 -1.076 0.000
H4 0.520 2.448 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4
N11.19762.76621.0041
C21.19761.57172.0204
S32.76621.57173.5582
H41.00412.02043.5582

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 174.538 C2 N1 H4 132.975
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.431      
2 C 0.131      
3 S 0.040      
4 H 0.261      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.196 1.899 0.000 2.244
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.509 3.125 0.000
y 3.125 -19.214 0.000
z 0.000 0.000 -25.369
Traceless
 xyz
x -2.218 3.125 0.000
y 3.125 5.725 0.000
z 0.000 0.000 -3.507
Polar
3z2-r2-7.015
x2-y2-5.295
xy3.125
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.407 -0.169 0.000
y -0.169 8.979 0.000
z 0.000 0.000 2.257


<r2> (average value of r2) Å2
<r2> 60.668
(<r2>)1/2 7.789