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

using model chemistry: B97D3/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/TZVP
 hartrees
Energy at 0K-491.634881
Energy at 298.15K-491.635615
HF Energy-491.634881
Nuclear repulsion energy79.432034
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 B97D3/TZVP
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' 3622 3570 195.54      
2 A' 2014 1985 607.40      
3 A' 861 849 1.50      
4 A' 658 648 327.86      
5 A' 446 440 53.28      
6 A" 471 464 4.42      

Unscaled Zero Point Vibrational Energy (zpe) 4035.6 cm-1
Scaled (by 0.9856) Zero Point Vibrational Energy (zpe) 3977.5 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 B97D3/TZVP
ABC
35.53777 0.19410 0.19305

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.161 1.696 0.000
C2 0.000 0.498 0.000
S3 0.039 -1.082 0.000
H4 0.497 2.459 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4
N11.20892.78491.0081
C21.20891.58012.0237
S32.78491.58013.5707
H41.00812.02373.5707

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 173.770 C2 N1 H4 131.586
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.255      
2 C 0.107      
3 S -0.107      
4 H 0.254      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.200 1.629 0.000 2.023
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.362 3.181 0.000
y 3.181 -19.489 0.000
z 0.000 0.000 -25.111
Traceless
 xyz
x -2.062 3.181 0.000
y 3.181 5.248 0.000
z 0.000 0.000 -3.186
Polar
3z2-r2-6.372
x2-y2-4.873
xy3.181
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.875 -0.301 0.000
y -0.301 9.473 0.000
z 0.000 0.000 2.729


<r2> (average value of r2) Å2
<r2> 61.205
(<r2>)1/2 7.823