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

using model chemistry: MP4=FULL/aug-cc-pVTZ

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=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-491.115825
Energy at 298.15K-491.116545
HF Energy-490.463331
Nuclear repulsion energy79.408005
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=FULL/aug-cc-pVTZ
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' 3700 3587        
2 A' 1988 1927        
3 A' 860 834        
4 A' 616 597        
5 A' 449 435        
6 A" 475 461        

Unscaled Zero Point Vibrational Energy (zpe) 4044.0 cm-1
Scaled (by 0.9693) Zero Point Vibrational Energy (zpe) 3919.8 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=FULL/aug-cc-pVTZ
ABC
36.23577 0.19392 0.19288

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.180 1.695 0.000
C2 0.000 0.496 0.000
S3 0.050 -1.082 0.000
H4 0.459 2.469 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4
N11.21252.78651.0030
C21.21251.57872.0253
S32.78651.57873.5741
H41.00302.02533.5741

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 173.287 C2 N1 H4 131.947
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability