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

using model chemistry: HF/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/CEP-121G*
 hartrees
Energy at 0K-25.666511
Energy at 298.15K-25.667220
HF Energy-25.666511
Nuclear repulsion energy26.334326
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 HF/CEP-121G*
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' 2863 2586 0.53      
2 A' 2510 2267 22.38      
3 A' 1085 980 14.61      
4 A' 728 658 3.96      
5 A' 374 338 5.67      
6 A" 439 396 3.04      

Unscaled Zero Point Vibrational Energy (zpe) 3998.7 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 3612.4 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 HF/CEP-121G*
ABC
9.77690 0.19169 0.18801

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.082 -1.005 0.000
C2 0.000 0.715 0.000
N3 0.010 1.854 0.000
H4 1.243 -1.186 0.000

Atom - Atom Distances (Å)
  S1 C2 N3 H4
S11.72162.85991.3374
C21.72161.13882.2712
N32.85991.13883.2803
H41.33742.27123.2803

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 177.753 C2 S1 H4 95.055
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.023      
2 C -0.065      
3 N -0.081      
4 H 0.168      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.067 -3.448 0.000 3.609
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.324 -1.892 0.000
y -1.892 -28.154 0.000
z 0.000 0.000 -24.982
Traceless
 xyz
x 5.244 -1.892 0.000
y -1.892 -5.001 0.000
z 0.000 0.000 -0.243
Polar
3z2-r2-0.486
x2-y26.830
xy-1.892
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.373 -0.185 0.000
y -0.185 6.591 0.000
z 0.000 0.000 2.866


<r2> (average value of r2) Å2
<r2> 43.776
(<r2>)1/2 6.616