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

using model chemistry: BLYP/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/6-31+G**
 hartrees
Energy at 0K-491.608888
Energy at 298.15K-491.609595
HF Energy-491.608888
Nuclear repulsion energy78.771938
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 BLYP/6-31+G**
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' 3576 3557 184.21      
2 A' 1970 1960 625.89      
3 A' 844 839 1.25      
4 A' 668 664 330.59      
5 A' 436 434 46.38      
6 A" 458 455 6.65      

Unscaled Zero Point Vibrational Energy (zpe) 3975.3 cm-1
Scaled (by 0.9947) Zero Point Vibrational Energy (zpe) 3954.2 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 BLYP/6-31+G**
ABC
33.68150 0.19103 0.18995

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.187 1.709 0.000
C2 0.000 0.500 0.000
S3 0.052 -1.090 0.000
H4 0.476 2.480 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4
N11.22322.80861.0166
C21.22321.59042.0363
S32.80861.59043.5946
H41.01662.03633.5946

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 173.087 C2 N1 H4 130.550
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.391      
2 C 0.008      
3 S 0.066      
4 H 0.317      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.214 1.551 0.000 1.969
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.905 3.259 0.000
y 3.259 -20.064 0.000
z 0.000 0.000 -25.664
Traceless
 xyz
x -2.041 3.259 0.000
y 3.259 5.220 0.000
z 0.000 0.000 -3.179
Polar
3z2-r2-6.359
x2-y2-4.841
xy3.259
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.224 -0.442 0.000
y -0.442 10.089 0.000
z 0.000 0.000 3.168


<r2> (average value of r2) Å2
<r2> 62.306
(<r2>)1/2 7.893