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

using model chemistry: M06-2X/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-491.595908
Energy at 298.15K-491.596618
HF Energy-491.595908
Nuclear repulsion energy79.527457
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/aug-cc-pVDZ
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' 3699 3699 314.53      
2 A' 2082 2082 887.07      
3 A' 888 888 6.03      
4 A' 593 593 307.86      
5 A' 437 437 145.39      
6 A" 482 482 2.89      

Unscaled Zero Point Vibrational Energy (zpe) 4090.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4090.1 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/aug-cc-pVDZ
ABC
36.03704 0.19453 0.19349

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.149 1.693 0.000
C2 0.000 0.500 0.000
S3 0.033 -1.082 0.000
H4 0.511 2.456 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4
N11.20282.78061.0090
C21.20281.58152.0222
S32.78061.58153.5700
H41.00902.02223.5700

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 174.078 C2 N1 H4 132.022
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.054      
2 C -0.313      
3 S 0.254      
4 H 0.006      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.099 1.722 0.000 2.043
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.743 3.048 0.000
y 3.048 -19.401 0.000
z 0.000 0.000 -25.617
Traceless
 xyz
x -2.235 3.048 0.000
y 3.048 5.779 0.000
z 0.000 0.000 -3.545
Polar
3z2-r2-7.089
x2-y2-5.343
xy3.048
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.184 -0.209 0.000
y -0.209 9.821 -0.001
z 0.000 -0.001 4.157


<r2> (average value of r2) Å2
<r2> 61.272
(<r2>)1/2 7.828