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

using model chemistry: B1B95/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 B1B95/Def2TZVPP
 hartrees
Energy at 0K-491.700272
Energy at 298.15K-491.701036
HF Energy-491.700272
Nuclear repulsion energy80.335984
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 B1B95/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' 3729 3729 266.65      
2 A' 2083 2083 768.27      
3 A' 899 899 4.00      
4 A' 628 628 309.47      
5 A' 464 464 109.71      
6 A" 502 502 2.00      

Unscaled Zero Point Vibrational Energy (zpe) 4152.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4152.4 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 B1B95/Def2TZVPP
ABC
37.59173 0.19850 0.19746

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.131 1.678 0.000
C2 0.000 0.490 0.000
S3 0.025 -1.070 0.000
H4 0.524 2.435 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4
N11.19532.75321.0009
C21.19531.56092.0142
S32.75321.56093.5409
H41.00092.01423.5409

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 174.598 C2 N1 H4 132.819
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.229      
2 C 0.160      
3 S -0.153      
4 H 0.222      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.123 1.617 0.000 1.969
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.205 3.014 0.000
y 3.014 -19.223 0.000
z 0.000 0.000 -25.041
Traceless
 xyz
x -2.073 3.014 0.000
y 3.014 5.399 0.000
z 0.000 0.000 -3.327
Polar
3z2-r2-6.654
x2-y2-4.981
xy3.014
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.429 -0.163 0.000
y -0.163 9.276 0.000
z 0.000 0.000 3.333


<r2> (average value of r2) Å2
<r2> 60.082
(<r2>)1/2 7.751