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: B2PLYP/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 B2PLYP/6-31G**
 hartrees
Energy at 0K-491.372099
Energy at 298.15K-491.372667
HF Energy-491.231493
Nuclear repulsion energy78.217908
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 B2PLYP/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' 2736 2736 0.01      
2 A' 2235 2235 7.45      
3 A' 998 998 12.59      
4 A' 700 700 0.21      
5 A' 323 323 4.61      
6 A" 379 379 1.98      

Unscaled Zero Point Vibrational Energy (zpe) 3685.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 3685.5 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 B2PLYP/6-31G**
ABC
9.70308 0.19056 0.18689

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.071 -1.005 0.000
C2 0.000 0.697 0.000
N3 -0.019 1.869 0.000
H4 1.260 -1.181 0.000

Atom - Atom Distances (Å)
  S1 C2 N3 H4
S11.70442.87511.3423
C21.70441.17182.2619
N32.87511.17183.3073
H41.34232.26193.3073

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 176.705 C2 S1 H4 95.131
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.140      
2 C 0.094      
3 N -0.335      
4 H 0.101      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.062 -3.128 0.000 3.303
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.876 -1.684 0.000
y -1.684 -28.404 0.000
z 0.000 0.000 -25.295
Traceless
 xyz
x 4.973 -1.684 0.000
y -1.684 -4.818 0.000
z 0.000 0.000 -0.155
Polar
3z2-r2-0.309
x2-y26.528
xy-1.684
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.190 -0.260 0.000
y -0.260 6.552 0.000
z 0.000 0.000 2.560


<r2> (average value of r2) Å2
<r2> 62.349
(<r2>)1/2 7.896