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

using model chemistry: QCISD(T)=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 QCISD(T)=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-491.108550
Energy at 298.15K-491.109264
HF Energy-490.464349
Nuclear repulsion energy79.657190
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 QCISD(T)=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' 3710 3710        
2 A' 2023 2023        
3 A' 869 869        
4 A' 598 598        
5 A' 446 446        
6 A" 481 481        

Unscaled Zero Point Vibrational Energy (zpe) 4063.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4063.5 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 QCISD(T)=FULL/aug-cc-pVTZ
ABC
36.41283 0.19512 0.19408

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.162 1.691 0.000
C2 0.000 0.497 0.000
S3 0.040 -1.079 0.000
H4 0.486 2.455 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4
N11.20462.77721.0022
C21.20461.57682.0174
S32.77721.57683.5622
H41.00222.01743.5622

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 173.746 C2 N1 H4 131.972
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability