return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for HSCN (thiocyanic acid)

using model chemistry: M06-2X/6-31G**

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/6-31G**
 hartrees
Energy at 0K-491.539249
Energy at 298.15K-491.539855
HF Energy-491.539249
Nuclear repulsion energy78.541270
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/6-31G**
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' 2742 2606 0.61      
2 A' 2373 2255 16.21      
3 A' 991 942 12.52      
4 A' 717 681 0.56      
5 A' 339 323 5.10      
6 A" 392 372 2.49      

Unscaled Zero Point Vibrational Energy (zpe) 3776.8 cm-1
Scaled (by 0.9504) Zero Point Vibrational Energy (zpe) 3589.4 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/6-31G**
ABC
9.66144 0.19211 0.18836

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.074 -1.003 0.000
C2 0.000 0.700 0.000
N3 -0.011 1.858 0.000
H4 1.260 -1.164 0.000

Atom - Atom Distances (Å)
  S1 C2 N3 H4
S11.70492.86201.3434
C21.70491.15802.2504
N32.86201.15803.2791
H41.34342.25043.2791

picture of thiocyanic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 N3 176.964 C2 S1 H4 94.418
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.141      
2 C 0.098      
3 N -0.353      
4 H 0.115      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.079 -3.137 0.000 3.317
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.813 -1.719 0.000
y -1.719 -28.157 0.000
z 0.000 0.000 -25.279
Traceless
 xyz
x 4.906 -1.719 0.000
y -1.719 -4.612 0.000
z 0.000 0.000 -0.294
Polar
3z2-r2-0.588
x2-y26.345
xy-1.719
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.241 -0.243 0.000
y -0.243 6.524 0.000
z 0.000 0.000 2.589


<r2> (average value of r2) Å2
<r2> 61.909
(<r2>)1/2 7.868