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All results from a given calculation for HNCS (Isothiocyanic acid)

using model chemistry: SVWN/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at SVWN/6-31G(2df,p)
 hartrees
Energy at 0K-490.074126
Energy at 298.15K-490.074864
HF Energy-490.074126
Nuclear repulsion energy79.959105
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 SVWN/6-31G(2df,p)
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' 3664 3610 281.72      
2 A' 2097 2066 535.34      
3 A' 890 877 2.79      
4 A' 607 598 278.60      
5 A' 460 453 89.68      
6 A" 492 485 2.78      

Unscaled Zero Point Vibrational Energy (zpe) 4105.0 cm-1
Scaled (by 0.9852) Zero Point Vibrational Energy (zpe) 4044.2 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 SVWN/6-31G(2df,p)
ABC
40.09508 0.19659 0.19563

See section I.F.4 to change rotational constant units
Geometric Data calculated at SVWN/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.147 1.684 0.000
C2 0.000 0.489 0.000
S3 0.034 -1.075 0.000
H4 0.475 2.481 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4
N11.20352.76441.0109
C21.20351.56442.0478
S32.76441.56443.5832
H41.01092.04783.5832

picture of Isothiocyanic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 S3 174.269 C2 N1 H4 135.093
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.485      
2 C 0.372      
3 S -0.223      
4 H 0.335      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.025 1.886 0.000 2.146
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.080 2.805 0.000
y 2.805 -18.423 0.000
z 0.000 0.000 -24.776
Traceless
 xyz
x -2.480 2.805 0.000
y 2.805 6.005 0.000
z 0.000 0.000 -3.524
Polar
3z2-r2-7.049
x2-y2-5.657
xy2.805
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.082 -0.149 0.000
y -0.149 8.866 0.000
z 0.000 0.000 2.969


<r2> (average value of r2) Å2
<r2> 60.321
(<r2>)1/2 7.767