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

using model chemistry: PBE1PBE/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBE1PBE/aug-cc-pVDZ
 hartrees
Energy at 0K-491.406676
Energy at 298.15K-491.407445
HF Energy-491.406676
Nuclear repulsion energy79.530378
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 PBE1PBE/aug-cc-pVDZ
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' 3697 3555 240.53      
2 A' 2067 1988 777.16      
3 A' 894 860 2.08      
4 A' 668 642 329.76      
5 A' 453 436 75.01      
6 A" 486 468 3.81      

Unscaled Zero Point Vibrational Energy (zpe) 4132.6 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 3974.0 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 PBE1PBE/aug-cc-pVDZ
ABC
33.36514 0.19476 0.19363

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.158 1.695 0.000
C2 0.000 0.497 0.000
S3 0.036 -1.080 0.000
H4 0.528 2.436 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4
N11.20802.78201.0093
C21.20801.57802.0091
S32.78201.57803.5503
H41.00932.00913.5503

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 173.811 C2 N1 H4 129.724
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.072      
2 C -0.154      
3 S 0.189      
4 H 0.037      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.121 1.557 0.000 1.919
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.551 3.099 0.000
y 3.099 -19.701 0.000
z 0.000 0.000 -25.471
Traceless
 xyz
x -1.965 3.099 0.000
y 3.099 5.310 0.000
z 0.000 0.000 -3.345
Polar
3z2-r2-6.690
x2-y2-4.850
xy3.099
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.229 -0.211 0.000
y -0.211 9.845 0.000
z 0.000 0.000 4.184


<r2> (average value of r2) Å2
<r2> 61.190
(<r2>)1/2 7.822