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

using model chemistry: B97D3/6-31+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 B97D3/6-31+G**
 hartrees
Energy at 0K-491.585255
Energy at 298.15K-491.585983
HF Energy-491.585255
Nuclear repulsion energy79.197570
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 B97D3/6-31+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' 3626 3564 183.73      
2 A' 2002 1968 640.38      
3 A' 865 850 1.24      
4 A' 685 673 329.94      
5 A' 439 432 46.25      
6 A" 462 454 6.02      

Unscaled Zero Point Vibrational Energy (zpe) 4039.5 cm-1
Scaled (by 0.9828) Zero Point Vibrational Energy (zpe) 3970.0 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 B97D3/6-31+G**
ABC
33.12833 0.19317 0.19205

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.186 1.701 0.000
C2 0.000 0.496 0.000
S3 0.051 -1.084 0.000
H4 0.484 2.458 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4
N11.21922.79431.0113
C21.21921.58012.0211
S32.79431.58013.5679
H41.01132.02113.5679

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 173.074 C2 N1 H4 129.716
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.393      
2 C 0.033      
3 S 0.033      
4 H 0.327      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.231 1.527 0.000 1.961
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.550 3.276 0.000
y 3.276 -19.845 0.000
z 0.000 0.000 -25.334
Traceless
 xyz
x -1.960 3.276 0.000
y 3.276 5.097 0.000
z 0.000 0.000 -3.137
Polar
3z2-r2-6.273
x2-y2-4.705
xy3.276
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.124 -0.437 0.000
y -0.437 9.844 0.000
z 0.000 0.000 3.058


<r2> (average value of r2) Å2
<r2> 61.582
(<r2>)1/2 7.847