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

using model chemistry: B2PLYP/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/6-31G**
 hartrees
Energy at 0K-491.390996
Energy at 298.15K-491.391739
HF Energy-491.248141
Nuclear repulsion energy79.390873
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 B2PLYP/6-31G**
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' 3736 3736 234.82      
2 A' 2055 2055 599.00      
3 A' 880 880 2.02      
4 A' 670 670 389.04      
5 A' 451 451 59.17      
6 A" 474 474 1.72      

Unscaled Zero Point Vibrational Energy (zpe) 4133.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4133.3 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 B2PLYP/6-31G**
ABC
35.35815 0.19390 0.19284

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.170 1.696 0.000
C2 0.000 0.497 0.000
S3 0.044 -1.082 0.000
H4 0.484 2.460 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4
N11.21172.78711.0057
C21.21171.57972.0222
S32.78711.57973.5697
H41.00572.02223.5697

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 173.521 C2 N1 H4 131.332
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.509      
2 C 0.255      
3 S -0.062      
4 H 0.315      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.186 1.915 0.000 2.252
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.325 3.094 0.000
y 3.094 -19.280 0.000
z 0.000 0.000 -25.076
Traceless
 xyz
x -2.147 3.094 0.000
y 3.094 5.421 0.000
z 0.000 0.000 -3.274
Polar
3z2-r2-6.547
x2-y2-5.045
xy3.094
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.492 -0.265 0.000
y -0.265 8.982 0.000
z 0.000 0.000 2.291


<r2> (average value of r2) Å2
<r2> 61.190
(<r2>)1/2 7.822