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

using model chemistry: HF/3-21G*

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/3-21G*
 hartrees
Energy at 0K-488.022393
Energy at 298.15K-488.023242
HF Energy-488.022393
Nuclear repulsion energy79.266209
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/3-21G*
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' 2890 2609 0.30      
2 A' 2535 2288 6.02      
3 A' 1134 1023 20.20      
4 A' 744 672 5.71      
5 A' 453 409 4.21      
6 A" 505 456 2.88      

Unscaled Zero Point Vibrational Energy (zpe) 4130.1 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 3727.8 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/3-21G*
ABC
9.97175 0.19531 0.19156

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.084 -0.993 0.000
C2 0.000 0.700 0.000
N3 0.017 1.841 0.000
H4 1.227 -1.197 0.000

Atom - Atom Distances (Å)
  S1 C2 N3 H4
S11.69502.83581.3270
C21.69501.14112.2591
N32.83581.14113.2699
H41.32702.25913.2699

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 178.007 C2 S1 H4 95.988
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.192      
2 C 0.072      
3 N -0.431      
4 H 0.167      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.056 -3.006 0.000 3.186
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.420 -1.938 0.000
y -1.938 -29.147 0.000
z 0.000 0.000 -25.759
Traceless
 xyz
x 5.033 -1.938 0.000
y -1.938 -5.057 0.000
z 0.000 0.000 0.024
Polar
3z2-r20.049
x2-y26.727
xy-1.938
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.914 -0.261 0.000
y -0.261 5.716 0.000
z 0.000 0.000 2.052


<r2> (average value of r2) Å2
<r2> 61.592
(<r2>)1/2 7.848