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

using model chemistry: wB97X-D/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/6-31+G**
 hartrees
Energy at 0K-491.582494
Energy at 298.15K-491.583197
HF Energy-491.582494
Nuclear repulsion energy 
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 wB97X-D/6-31+G**
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' 3775 3594 313.22      
2 A' 2088 1988 865.04      
3 A' 887 844 7.79      
4 A' 593 565 329.60      
5 A' 443 422 129.37      
6 A" 480 457 2.19      

Unscaled Zero Point Vibrational Energy (zpe) 4132.2 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 3935.1 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 wB97X-D/6-31+G**
ABC
39.39661 0.19527 0.19431

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.146 1.689 0.000
C2 0.000 0.496 0.000
S3 0.034 -1.079 0.000
H4 0.482 2.473 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4
N11.20212.77401.0045
C21.20211.57532.0350
S32.77401.57533.5801
H41.00452.03503.5801

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 174.248 C2 N1 H4 134.304
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.443      
2 C 0.096      
3 S -0.005      
4 H 0.352      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.242 1.907 0.000 2.275
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.624 3.305 0.000
y 3.305 -19.396 0.000
z 0.000 0.000 -25.389
Traceless
 xyz
x -2.231 3.305 0.000
y 3.305 5.610 0.000
z 0.000 0.000 -3.379
Polar
3z2-r2-6.758
x2-y2-5.227
xy3.305
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.996 -0.351 0.000
y -0.351 9.679 0.000
z 0.000 0.000 2.944


<r2> (average value of r2) Å2
<r2> 61.042
(<r2>)1/2 7.813