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

using model chemistry: MP4/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4/6-311G**
 hartrees
Energy at 0K-490.913215
Energy at 298.15K-490.913927
HF Energy-490.433929
Nuclear repulsion energy79.031758
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 MP4/6-311G**
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' 3688 3576        
2 A' 1971 1912        
3 A' 860 834        
4 A' 668 648        
5 A' 433 420        
6 A" 453 439        

Unscaled Zero Point Vibrational Energy (zpe) 4036.8 cm-1
Scaled (by 0.9697) Zero Point Vibrational Energy (zpe) 3914.5 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 MP4/6-311G**
ABC
31.89433 0.19241 0.19125

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.197 1.705 0.000
C2 0.000 0.496 0.000
S3 0.056 -1.085 0.000
H4 0.483 2.451 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4
N11.22432.80151.0091
C21.22431.58272.0132
S32.80151.58273.5619
H41.00912.01323.5619

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 172.783 C2 N1 H4 128.436
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability