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

using model chemistry: B2PLYP=FULL/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULL/6-311G*
 hartrees
Energy at 0K-491.483606
Energy at 298.15K-491.484358
HF Energy-491.290280
Nuclear repulsion energy79.588773
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 B2PLYP=FULL/6-311G*
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' 3714 3714 216.92      
2 A' 2043 2043 657.23      
3 A' 877 877 2.04      
4 A' 670 670 416.76      
5 A' 456 456 65.61      
6 A" 478 478 3.39      

Unscaled Zero Point Vibrational Energy (zpe) 4118.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4118.3 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 B2PLYP=FULL/6-311G*
ABC
36.76183 0.19478 0.19376

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.160 1.692 0.000
C2 0.000 0.497 0.000
S3 0.040 -1.080 0.000
H4 0.486 2.461 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4
N11.20582.77931.0045
C21.20581.57752.0237
S32.77931.57753.5696
H41.00452.02373.5696

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 173.813 C2 N1 H4 132.374
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability