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/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-491.475311
Energy at 298.15K-491.475922
HF Energy-491.302154
Nuclear repulsion energy78.762495
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/Def2TZVPP
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' 2704 2704 4.54      
2 A' 2214 2214 8.66      
3 A' 986 986 8.79      
4 A' 702 702 0.33      
5 A' 338 338 3.82      
6 A" 401 401 0.86      

Unscaled Zero Point Vibrational Energy (zpe) 3672.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 3672.5 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/Def2TZVPP
ABC
9.71258 0.19342 0.18964

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.070 -0.998 0.000
C2 0.000 0.693 0.000
N3 -0.020 1.855 0.000
H4 1.260 -1.165 0.000

Atom - Atom Distances (Å)
  S1 C2 N3 H4
S11.69282.85371.3406
C21.69281.16212.2452
N32.85371.16213.2804
H41.34062.24523.2804

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 176.629 C2 S1 H4 94.781
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.036      
2 C -0.114      
3 N -0.046      
4 H 0.124      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.914 -3.389 0.000 3.510
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.089 -1.444 0.000
y -1.444 -28.809 0.000
z 0.000 0.000 -25.476
Traceless
 xyz
x 5.053 -1.444 0.000
y -1.444 -5.027 0.000
z 0.000 0.000 -0.026
Polar
3z2-r2-0.052
x2-y26.720
xy-1.444
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.877 -0.217 0.000
y -0.217 7.410 0.000
z 0.000 0.000 3.338


<r2> (average value of r2) Å2
<r2> 61.842
(<r2>)1/2 7.864