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

using model chemistry: MP4=FULL/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-491.240693
Energy at 298.15K-491.241442
HF Energy-490.457247
Nuclear repulsion energy79.479139
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/6-311+G(3df,2p)
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' 3704 3704        
2 A' 1983 1983        
3 A' 866 866        
4 A' 650 650        
5 A' 455 455        
6 A" 483 483        

Unscaled Zero Point Vibrational Energy (zpe) 4070.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4070.6 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/6-311+G(3df,2p)
ABC
35.48807 0.19436 0.19331

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.175 1.695 0.000
C2 0.000 0.493 0.000
S3 0.047 -1.080 0.000
H4 0.474 2.462 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4
N11.21522.78441.0053
C21.21521.57382.0259
S32.78441.57383.5684
H41.00532.02593.5684

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 173.416 C2 N1 H4 131.446
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability