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

using model chemistry: M06-2X/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at M06-2X/6-311G*
 hartrees
Energy at 0K-491.607505
Energy at 298.15K-491.608169
HF Energy-491.607505
Nuclear repulsion energy79.937379
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 M06-2X/6-311G*
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' 3751 3751 330.09      
2 A' 2112 2112 863.11      
3 A' 887 887 10.01      
4 A' 551 551 254.96      
5 A' 427 427 262.60      
6 A" 483 483 0.96      

Unscaled Zero Point Vibrational Energy (zpe) 4105.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4105.1 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 M06-2X/6-311G*
ABC
43.22386 0.19615 0.19526

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.125 1.683 0.000
C2 0.000 0.497 0.000
S3 0.025 -1.078 0.000
H4 0.483 2.481 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4
N11.19182.76461.0036
C21.19181.57552.0417
S32.76461.57553.5885
H41.00362.04173.5885

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 174.865 C2 N1 H4 136.693
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.616      
2 C 0.205      
3 S 0.022      
4 H 0.389      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.210 2.135 0.000 2.454
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.814 3.154 0.000
y 3.154 -18.701 0.000
z 0.000 0.000 -25.583
Traceless
 xyz
x -2.672 3.154 0.000
y 3.154 6.498 0.000
z 0.000 0.000 -3.825
Polar
3z2-r2-7.651
x2-y2-6.113
xy3.154
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.368 -0.197 0.000
y -0.197 9.066 0.000
z 0.000 0.000 2.244


<r2> (average value of r2) Å2
<r2> 60.786
(<r2>)1/2 7.797