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

using model chemistry: PBEPBE/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/TZVP
 hartrees
Energy at 0K-491.376655
Energy at 298.15K-491.377230
HF Energy-491.376655
Nuclear repulsion energy78.164315
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 PBEPBE/TZVP
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' 2587 2559 1.19      
2 A' 2200 2175 18.58      
3 A' 935 924 9.44      
4 A' 682 675 0.03      
5 A' 330 326 3.35      
6 A" 390 386 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 3562.0 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 3522.1 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 PBEPBE/TZVP
ABC
9.36814 0.19085 0.18704

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.071 -1.005 0.000
C2 0.000 0.698 0.000
N3 -0.020 1.867 0.000
H4 1.283 -1.170 0.000

Atom - Atom Distances (Å)
  S1 C2 N3 H4
S11.70462.87291.3644
C21.70461.16962.2655
N32.87291.16963.3044
H41.36442.26553.3044

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 176.613 C2 S1 H4 94.509
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.011      
2 C -0.077      
3 N -0.068      
4 H 0.135      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.061 -3.361 0.000 3.524
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.958 -1.620 0.000
y -1.620 -28.719 0.000
z 0.000 0.000 -25.523
Traceless
 xyz
x 5.163 -1.620 0.000
y -1.620 -4.978 0.000
z 0.000 0.000 -0.185
Polar
3z2-r2-0.369
x2-y26.760
xy-1.620
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.596 -0.251 0.000
y -0.251 7.634 0.000
z 0.000 0.000 2.838


<r2> (average value of r2) Å2
<r2> 62.458
(<r2>)1/2 7.903