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

using model chemistry: MP3/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3/Def2TZVPP
 hartrees
Energy at 0K-490.990731
Energy at 298.15K-490.991487
HF Energy-490.462351
Nuclear repulsion energy80.195540
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 MP3/Def2TZVPP
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' 3774 3774 290.07      
2 A' 2093 2093 923.77      
3 A' 906 906 6.41      
4 A' 611 611 335.65      
5 A' 457 457 199.66      
6 A" 510 510 2.14      

Unscaled Zero Point Vibrational Energy (zpe) 4175.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4175.3 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 MP3/Def2TZVPP
ABC
36.27143 0.19782 0.19675

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.137 1.681 0.000
C2 0.000 0.494 0.000
S3 0.027 -1.072 0.000
H4 0.529 2.427 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4
N11.19562.75860.9992
C21.19561.56622.0042
S32.75861.56623.5350
H40.99922.00423.5350

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 174.410 C2 N1 H4 131.679
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability