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

using model chemistry: B3PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G
 hartrees
Energy at 0K-491.453559
Energy at 298.15K-491.454123
HF Energy-491.453559
Nuclear repulsion energy76.854443
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 B3PW91/6-31G
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' 2519 2413 9.61      
2 A' 2260 2164 13.03      
3 A' 961 921 18.60      
4 A' 654 626 0.81      
5 A' 340 326 4.43      
6 A" 385 369 0.86      

Unscaled Zero Point Vibrational Energy (zpe) 3559.3 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 3408.7 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 B3PW91/6-31G
ABC
9.22736 0.18385 0.18026

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.073 -1.025 0.000
C2 0.000 0.722 0.000
N3 -0.018 1.897 0.000
H4 1.292 -1.220 0.000

Atom - Atom Distances (Å)
  S1 C2 N3 H4
S11.74842.92211.3785
C21.74841.17492.3323
N32.92211.17493.3808
H41.37852.33233.3808

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 176.725 C2 S1 H4 95.745
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.299      
2 C -0.121      
3 N -0.290      
4 H 0.112      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.366 -3.006 0.000 3.302
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.088 -2.113 0.000
y -2.113 -29.155 0.000
z 0.000 0.000 -25.424
Traceless
 xyz
x 5.202 -2.113 0.000
y -2.113 -5.399 0.000
z 0.000 0.000 0.197
Polar
3z2-r20.394
x2-y27.067
xy-2.113
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.236 -0.347 0.000
y -0.347 6.692 0.000
z 0.000 0.000 2.250


<r2> (average value of r2) Å2
<r2> 64.323
(<r2>)1/2 8.020