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

using model chemistry: MP2/6-311+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 MP2/6-311+G(3df,2p)
 hartrees
Energy at 0K-490.979696
Energy at 298.15K-490.980452
HF Energy-490.457942
Nuclear repulsion energy79.814906
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 MP2/6-311+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' 3730 3519 302.59      
2 A' 2038 1923 732.17      
3 A' 898 847 2.54      
4 A' 617 582 378.51      
5 A' 465 439 95.81      
6 A" 493 465 8.40      

Unscaled Zero Point Vibrational Energy (zpe) 4120.7 cm-1
Scaled (by 0.9434) Zero Point Vibrational Energy (zpe) 3887.4 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 MP2/6-311+G(3df,2p)
ABC
38.83198 0.19588 0.19489

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.173 1.686 0.000
C2 0.000 0.490 0.000
S3 0.048 -1.076 0.000
H4 0.443 2.479 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4
N11.20892.77111.0043
C21.20891.56652.0384
S32.77111.56653.5773
H41.00432.03843.5773

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 173.531 C2 N1 H4 133.947
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability