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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/cc-pVDZ
 hartrees
Energy at 0K-491.370791
Energy at 298.15K-491.371528
HF Energy-491.370791
Nuclear repulsion energy78.817021
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 PBEPBEultrafine/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' 3552 3531 159.38      
2 A' 2010 1998 506.44      
3 A' 868 863 1.04      
4 A' 694 690 290.57      
5 A' 437 434 44.06      
6 A" 463 461 3.52      

Unscaled Zero Point Vibrational Energy (zpe) 4011.7 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 3988.4 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 PBEPBEultrafine/cc-pVDZ
ABC
30.15228 0.19158 0.19037

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.184 1.710 0.000
C2 0.000 0.500 0.000
S3 0.048 -1.088 0.000
H4 0.527 2.444 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4
N11.22342.80761.0221
C21.22341.58932.0140
S32.80761.58933.5648
H41.02212.01403.5648

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 173.063 C2 N1 H4 127.278
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.150      
2 C 0.066      
3 S -0.061      
4 H 0.145      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.129 1.630 0.000 1.983
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.028 2.933 0.000
y 2.933 -19.106 0.000
z 0.000 0.000 -24.840
Traceless
 xyz
x -2.055 2.933 0.000
y 2.933 5.328 0.000
z 0.000 0.000 -3.273
Polar
3z2-r2-6.546
x2-y2-4.922
xy2.933
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.483 -0.192 0.000
y -0.192 8.759 0.000
z 0.000 0.000 2.257


<r2> (average value of r2) Å2
<r2> 61.591
(<r2>)1/2 7.848