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

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-491.591786
Energy at 298.15K-491.592543
HF Energy-491.591786
Nuclear repulsion energy79.844544
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 B3PW91/6-311G*
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' 3709 3571 213.37      
2 A' 2077 1999 720.66      
3 A' 889 856 2.94      
4 A' 657 632 378.26      
5 A' 457 440 78.82      
6 A" 486 468 1.82      

Unscaled Zero Point Vibrational Energy (zpe) 4137.3 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 3983.0 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 B3PW91/6-311G*
ABC
36.81631 0.19607 0.19503

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.145 1.687 0.000
C2 0.000 0.496 0.000
S3 0.032 -1.077 0.000
H4 0.509 2.450 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4
N11.20052.77001.0049
C21.20051.57292.0196
S32.77001.57293.5591
H41.00492.01963.5591

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 174.203 C2 N1 H4 132.420
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.586      
2 C 0.170      
3 S 0.043      
4 H 0.372      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.257 1.858 0.000 2.243
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.488 3.255 0.000
y 3.255 -19.105 0.000
z 0.000 0.000 -25.337
Traceless
 xyz
x -2.267 3.255 0.000
y 3.255 5.808 0.000
z 0.000 0.000 -3.541
Polar
3z2-r2-7.081
x2-y2-5.383
xy3.255
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.393 -0.225 0.000
y -0.225 8.989 0.000
z 0.000 0.000 2.241


<r2> (average value of r2) Å2
<r2> 60.737
(<r2>)1/2 7.793