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

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

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-pVDZ
 hartrees
Energy at 0K-490.923367
Energy at 298.15K-490.924113
HF Energy-490.425403
Nuclear repulsion energy78.352234
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-pVDZ
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' 3643 3553        
2 A' 1941 1893        
3 A' 849 828        
4 A' 708 691        
5 A' 438 427        
6 A" 466 455        

Unscaled Zero Point Vibrational Energy (zpe) 4022.7 cm-1
Scaled (by 0.9752) Zero Point Vibrational Energy (zpe) 3922.9 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-pVDZ
ABC
30.44255 0.18915 0.18799

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.206 1.719 0.000
C2 0.000 0.503 0.000
S3 0.060 -1.094 0.000
H4 0.487 2.461 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4
N11.23412.82631.0154
C21.23411.59812.0185
S32.82631.59813.5815
H41.01542.01853.5815

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 172.536 C2 N1 H4 127.350
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability