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

using model chemistry: MP2=FULL/6-31G**

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=FULL/6-31G**
 hartrees
Energy at 0K-490.830439
Energy at 298.15K-490.831186
HF Energy-490.393203
Nuclear repulsion energy79.517551
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=FULL/6-31G**
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' 3795 3546 278.47      
2 A' 2078 1941 598.31      
3 A' 908 848 2.00      
4 A' 653 610 437.83      
5 A' 457 427 65.93      
6 A" 475 444 4.57      

Unscaled Zero Point Vibrational Energy (zpe) 4182.5 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 3908.2 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 MP2=FULL/6-31G**
ABC
37.69551 0.19444 0.19344

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.193 1.691 0.000
C2 0.000 0.491 0.000
S3 0.058 -1.080 0.000
H4 0.420 2.485 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4
N11.21552.78231.0034
C21.21551.57192.0380
S32.78231.57193.5833
H41.00342.03803.5833

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 172.982 C2 N1 H4 133.177
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability