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

using model chemistry: SVWN/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 SVWN/cc-pVDZ
 hartrees
Energy at 0K-490.083744
Energy at 298.15K-490.084472
HF Energy-490.083744
Nuclear repulsion energy79.353437
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 SVWN/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' 3591 3562 236.67      
2 A' 2072 2056 514.14      
3 A' 889 882 1.04      
4 A' 640 634 276.88      
5 A' 442 438 60.58      
6 A" 472 468 2.76      

Unscaled Zero Point Vibrational Energy (zpe) 4052.1 cm-1
Scaled (by 0.9921) Zero Point Vibrational Energy (zpe) 4020.1 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 SVWN/cc-pVDZ
ABC
33.88978 0.19398 0.19288

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.155 1.698 0.000
C2 0.000 0.495 0.000
S3 0.035 -1.082 0.000
H4 0.525 2.459 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4
N11.21302.78671.0207
C21.21301.57752.0332
S32.78671.57753.5750
H41.02072.03323.5750

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 173.928 C2 N1 H4 130.867
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.141      
2 C 0.037      
3 S -0.069      
4 H 0.173      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.133 1.756 0.000 2.090
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.998 2.949 0.000
y 2.949 -18.667 0.000
z 0.000 0.000 -24.790
Traceless
 xyz
x -2.270 2.949 0.000
y 2.949 5.726 0.000
z 0.000 0.000 -3.457
Polar
3z2-r2-6.914
x2-y2-5.331
xy2.949
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.427 -0.138 0.000
y -0.138 8.645 0.000
z 0.000 0.000 2.236


<r2> (average value of r2) Å2
<r2> 60.944
(<r2>)1/2 7.807