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

using model chemistry: MP2/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-311G**
 hartrees
Energy at 0K-490.872353
Energy at 298.15K-490.873077
HF Energy-490.435513
Nuclear repulsion energy79.577869
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 MP2/6-311G**
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' 3733 3547 275.97      
2 A' 2050 1947 649.52      
3 A' 899 855 2.11      
4 A' 613 582 423.34      
5 A' 451 429 87.23      
6 A" 471 448 5.47      

Unscaled Zero Point Vibrational Energy (zpe) 4108.2 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 3903.6 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 MP2/6-311G**
ABC
36.28120 0.19484 0.19380

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.179 1.692 0.000
C2 0.000 0.492 0.000
S3 0.050 -1.079 0.000
H4 0.459 2.470 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4
N11.21322.78021.0061
C21.21321.57162.0303
S32.78021.57163.5721
H41.00612.03033.5721

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 173.325 C2 N1 H4 132.145
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability