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

using model chemistry: B3PW91/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 B3PW91/cc-pVDZ
 hartrees
Energy at 0K-491.551403
Energy at 298.15K-491.552019
HF Energy-491.551403
Nuclear repulsion energy78.336226
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 B3PW91/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' 2677 2583 2.91      
2 A' 2298 2217 18.87      
3 A' 959 926 7.91      
4 A' 709 684 0.16      
5 A' 339 327 3.29      
6 A" 404 390 0.89      

Unscaled Zero Point Vibrational Energy (zpe) 3692.8 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 3563.5 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 B3PW91/cc-pVDZ
ABC
9.44602 0.19160 0.18779

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.071 -1.003 0.000
C2 0.000 0.697 0.000
N3 -0.020 1.863 0.000
H4 1.278 -1.171 0.000

Atom - Atom Distances (Å)
  S1 C2 N3 H4
S11.70202.86681.3593
C21.70201.16602.2635
N32.86681.16603.3000
H41.35932.26353.3000

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 176.632 C2 S1 H4 94.697
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.067      
2 C -0.086      
3 N -0.125      
4 H 0.144      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.057 -3.211 0.000 3.380
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.656 -1.615 0.000
y -1.615 -27.799 0.000
z 0.000 0.000 -25.104
Traceless
 xyz
x 4.795 -1.615 0.000
y -1.615 -4.419 0.000
z 0.000 0.000 -0.376
Polar
3z2-r2-0.752
x2-y26.142
xy-1.615
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.353 -0.271 0.000
y -0.271 6.677 0.000
z 0.000 0.000 2.319


<r2> (average value of r2) Å2
<r2> 61.931
(<r2>)1/2 7.870