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: HF/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-490.415250
Energy at 298.15K-490.415964
HF Energy-490.415250
Nuclear repulsion energy78.826458
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/cc-pVDZ
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' 2858 2595 3.24      
2 A' 2555 2320 20.60      
3 A' 1068 969 10.65      
4 A' 733 665 3.47      
5 A' 373 338 5.46      
6 A" 440 400 3.67      

Unscaled Zero Point Vibrational Energy (zpe) 4012.7 cm-1
Scaled (by 0.908) Zero Point Vibrational Energy (zpe) 3643.5 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 HF/cc-pVDZ
ABC
9.74990 0.19303 0.18929

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.079 -1.001 0.000
C2 0.000 0.710 0.000
N3 0.002 1.848 0.000
H4 1.248 -1.185 0.000

Atom - Atom Distances (Å)
  S1 C2 N3 H4
S11.71322.85041.3398
C21.71321.13792.2696
N32.85041.13793.2795
H41.33982.26963.2795

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 177.446 C2 S1 H4 95.258
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.094      
2 C -0.070      
3 N -0.151      
4 H 0.128      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.063 -3.364 0.000 3.528
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.131 -1.804 0.000
y -1.804 -28.607 0.000
z 0.000 0.000 -25.584
Traceless
 xyz
x 4.965 -1.804 0.000
y -1.804 -4.750 0.000
z 0.000 0.000 -0.215
Polar
3z2-r2-0.430
x2-y26.476
xy-1.804
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.255 -0.242 0.000
y -0.242 6.182 0.000
z 0.000 0.000 2.268


<r2> (average value of r2) Å2
<r2> 61.923
(<r2>)1/2 7.869