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

using model chemistry: wB97X-D/STO-3G

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/STO-3G
 hartrees
Energy at 0K-485.972290
Energy at 298.15K-485.972964
HF Energy-485.972290
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/STO-3G
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' 3670 3670 52.41      
2 A' 2143 2143 276.90      
3 A' 942 942 1.71      
4 A' 838 838 310.61      
5 A' 441 441 24.75      
6 A" 460 460 2.43      

Unscaled Zero Point Vibrational Energy (zpe) 4246.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4246.0 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 wB97X-D/STO-3G
ABC
22.65984 0.19329 0.19166

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.318 1.697 0.000
C2 0.000 0.483 0.000
S3 0.112 -1.075 0.000
H4 0.434 2.434 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4
N11.25452.80511.0530
C21.25451.56241.9986
S32.80511.56243.5241
H41.05301.99863.5241

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 169.434 C2 N1 H4 119.771
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.321      
2 C -0.035      
3 S 0.143      
4 H 0.214      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.320 0.445 0.000 1.393
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.179 3.149 0.000
y 3.149 -19.661 0.000
z 0.000 0.000 -21.521
Traceless
 xyz
x -0.588 3.149 0.000
y 3.149 1.689 0.000
z 0.000 0.000 -1.101
Polar
3z2-r2-2.202
x2-y2-1.517
xy3.149
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.901 -0.281 0.000
y -0.281 5.665 0.000
z 0.000 0.000 0.536


<r2> (average value of r2) Å2
<r2> 60.055
(<r2>)1/2 7.750