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

using model chemistry: HSEh1PBE/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HSEh1PBE/aug-cc-pVTZ
 hartrees
Energy at 0K-491.467748
Energy at 298.15K-491.468514
HF Energy-491.467748
Nuclear repulsion energy80.079580
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 HSEh1PBE/aug-cc-pVTZ
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' 3713 3572 265.13      
2 A' 2074 1995 787.19      
3 A' 894 860 4.02      
4 A' 631 607 313.98      
5 A' 462 444 100.97      
6 A" 498 479 3.34      

Unscaled Zero Point Vibrational Energy (zpe) 4135.9 cm-1
Scaled (by 0.9618) Zero Point Vibrational Energy (zpe) 3977.9 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 HSEh1PBE/aug-cc-pVTZ
ABC
37.17484 0.19723 0.19619

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.140 1.683 0.000
C2 0.000 0.494 0.000
S3 0.029 -1.074 0.000
H4 0.514 2.443 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4
N11.19712.76171.0030
C21.19711.56792.0160
S32.76171.56793.5503
H41.00302.01603.5503

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 174.356 C2 N1 H4 132.595
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.115      
2 C -0.087      
3 S -0.020      
4 H 0.223      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.072 1.637 0.000 1.956
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.506 2.976 0.000
y 2.976 -19.384 0.000
z 0.000 0.000 -25.343
Traceless
 xyz
x -2.142 2.976 0.000
y 2.976 5.540 0.000
z 0.000 0.000 -3.398
Polar
3z2-r2-6.795
x2-y2-5.122
xy2.976
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.377 -0.178 0.000
y -0.178 9.778 0.000
z 0.000 0.000 4.342


<r2> (average value of r2) Å2
<r2> 60.532
(<r2>)1/2 7.780