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

using model chemistry: B2PLYP/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 B2PLYP/aug-cc-pVDZ
 hartrees
Energy at 0K-491.434290
Energy at 298.15K-491.435048
HF Energy-491.282821
Nuclear repulsion energy79.040982
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 B2PLYP/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' 3667 3667 224.54      
2 A' 2006 2006 705.64      
3 A' 870 870 0.90      
4 A' 688 688 362.59      
5 A' 448 448 57.23      
6 A" 475 475 5.90      

Unscaled Zero Point Vibrational Energy (zpe) 4076.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4076.7 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 B2PLYP/aug-cc-pVDZ
ABC
32.78881 0.19236 0.19124

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.179 1.704 0.000
C2 0.000 0.500 0.000
S3 0.047 -1.086 0.000
H4 0.500 2.453 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4
N11.21742.79991.0110
C21.21741.58732.0162
S32.79991.58733.5686
H41.01102.01623.5686

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 173.244 C2 N1 H4 129.345
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.034      
2 C -0.257      
3 S 0.212      
4 H 0.010      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.096 1.535 0.000 1.886
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.924 3.047 0.000
y 3.047 -19.979 0.000
z 0.000 0.000 -25.768
Traceless
 xyz
x -2.051 3.047 0.000
y 3.047 5.368 0.000
z 0.000 0.000 -3.317
Polar
3z2-r2-6.634
x2-y2-4.945
xy3.047
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.273 -0.301 0.000
y -0.301 10.277 0.000
z 0.000 0.000 4.216


<r2> (average value of r2) Å2
<r2> 61.961
(<r2>)1/2 7.872