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

using model chemistry: B2PLYP/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-491.498643
Energy at 298.15K-491.499403
HF Energy-491.319606
Nuclear repulsion energy79.717023
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/aug-cc-pVTZ
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' 3690 3546 251.26      
2 A' 2021 1942 720.68      
3 A' 874 840 2.11      
4 A' 648 623 355.36      
5 A' 460 442 74.72      
6 A" 487 468 5.10      

Unscaled Zero Point Vibrational Energy (zpe) 4090.2 cm-1
Scaled (by 0.961) Zero Point Vibrational Energy (zpe) 3930.7 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/aug-cc-pVTZ
ABC
36.41236 0.19545 0.19441

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.158 1.690 0.000
C2 0.000 0.495 0.000
S3 0.039 -1.078 0.000
H4 0.492 2.454 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4
N11.20472.77501.0037
C21.20471.57422.0196
S32.77501.57423.5615
H41.00372.01963.5615

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 173.850 C2 N1 H4 132.052
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.094      
2 C -0.163      
3 S 0.009      
4 H 0.248      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.051 1.610 0.000 1.923
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.800 2.929 0.000
y 2.929 -19.580 0.000
z 0.000 0.000 -25.581
Traceless
 xyz
x -2.219 2.929 0.000
y 2.929 5.610 0.000
z 0.000 0.000 -3.391
Polar
3z2-r2-6.781
x2-y2-5.219
xy2.929
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.445 -0.255 0.000
y -0.255 10.155 0.000
z 0.000 0.000 4.400


<r2> (average value of r2) Å2
<r2> 61.092
(<r2>)1/2 7.816