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

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-490.463259
Energy at 298.15K-490.463963
HF Energy-490.463259
Nuclear repulsion energy80.673996
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 HF/Def2TZVPP
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' 3932 3564 455.20      
2 A' 2187 1982 1203.37      
3 A' 902 818 23.19      
4 A' 587 532 113.87      
5 A' 385 349 497.00      
6 A" 550 499 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 4271.6 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 3871.7 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 HF/Def2TZVPP
ABC
44.97022 0.19952 0.19864

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.089 1.668 0.000
C2 0.000 0.500 0.000
S3 0.006 -1.070 0.000
H4 0.526 2.441 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4
N11.17092.73960.9886
C21.17091.57052.0112
S32.73961.57053.5498
H40.98862.01123.5498

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 175.857 C2 N1 H4 137.121
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.329      
2 C 0.226      
3 S -0.149      
4 H 0.252      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.178 2.255 0.000 2.544
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.777 3.148 0.000
y 3.148 -19.284 0.000
z 0.000 0.000 -25.650
Traceless
 xyz
x -2.310 3.148 0.000
y 3.148 5.930 0.000
z 0.000 0.000 -3.619
Polar
3z2-r2-7.239
x2-y2-5.494
xy3.148
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.374 -0.080 0.000
y -0.080 8.953 0.000
z 0.000 0.000 3.306


<r2> (average value of r2) Å2
<r2> 60.103
(<r2>)1/2 7.753