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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-491.611118
Energy at 298.15K-491.611756
HF Energy-491.611118
Nuclear repulsion energy79.946848
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' 3749 3749 386.85      
2 A' 2113 2113 862.67      
3 A' 886 886 11.78      
4 A' 531 531 166.26      
5 A' 407 407 316.32      
6 A" 482 482 0.67      

Unscaled Zero Point Vibrational Energy (zpe) 4084.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4084.4 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
43.35116 0.19618 0.19530

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 -0.118 1.683 0.000
C2 0.000 0.498 0.000
S3 0.021 -1.078 0.000
H4 0.492 2.479 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4
N11.19132.76431.0038
C21.19131.57552.0421
S32.76431.57553.5882
H41.00382.04213.5882

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 175.058 C2 N1 H4 136.797
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 -0.473      
2 C 0.166      
3 S 0.024      
4 H 0.283      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.159 2.111 0.000 2.408
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.760 3.044 0.000
y 3.044 -18.831 0.000
z 0.000 0.000 -25.537
Traceless
 xyz
x -2.576 3.044 0.000
y 3.044 6.317 0.000
z 0.000 0.000 -3.741
Polar
3z2-r2-7.483
x2-y2-5.929
xy3.044
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.388 -0.154 0.000
y -0.154 9.080 0.000
z 0.000 0.000 2.263


<r2> (average value of r2) Å2
<r2> 60.784
(<r2>)1/2 7.796