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

using model chemistry: HF/cc-pVTZ

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-pVTZ
 hartrees
Energy at 0K-490.457975
Energy at 298.15K-490.458708
HF Energy-490.457975
Nuclear repulsion energy79.316051
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-pVTZ
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' 2847 2591 4.11      
2 A' 2538 2309 22.07      
3 A' 1075 979 10.53      
4 A' 731 665 3.28      
5 A' 380 345 5.96      
6 A" 450 409 3.58      

Unscaled Zero Point Vibrational Energy (zpe) 4009.9 cm-1
Scaled (by 0.9101) Zero Point Vibrational Energy (zpe) 3649.4 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-pVTZ
ABC
9.88945 0.19535 0.19156

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.077 -0.995 0.000
C2 0.000 0.708 0.000
N3 -0.001 1.837 0.000
H4 1.241 -1.180 0.000

Atom - Atom Distances (Å)
  S1 C2 N3 H4
S11.70462.83271.3308
C21.70461.12892.2592
N32.83271.12893.2625
H41.33082.25923.2625

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 177.350 C2 S1 H4 95.406
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.005      
2 C -0.097      
3 N -0.047      
4 H 0.139      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.956 -3.458 0.000 3.587
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.158 -1.678 0.000
y -1.678 -28.865 0.000
z 0.000 0.000 -25.602
Traceless
 xyz
x 5.075 -1.678 0.000
y -1.678 -4.985 0.000
z 0.000 0.000 -0.090
Polar
3z2-r2-0.180
x2-y26.707
xy-1.678
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.717 -0.182 0.000
y -0.182 6.731 0.000
z 0.000 0.000 3.071


<r2> (average value of r2) Å2
<r2> 61.442
(<r2>)1/2 7.839