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

using model chemistry: MP3=FULL/6-31G(2df,p)

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=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-490.955960
Energy at 298.15K-490.956617
HF Energy-490.411911
Nuclear repulsion energy80.293408
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=FULL/6-31G(2df,p)
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' 3870 3870 406.50      
2 A' 2174 2174 846.60      
3 A' 903 903 16.44      
4 A' 546 546 45.65      
5 A' 378 378 479.61      
6 A" 532 532 0.96      

Unscaled Zero Point Vibrational Energy (zpe) 4201.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4201.1 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=FULL/6-31G(2df,p)
ABC
49.25243 0.19763 0.19684

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.117 1.675 0.000
C2 0.000 0.494 0.000
S3 0.023 -1.074 0.000
H4 0.453 2.491 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4
N11.18612.75210.9953
C21.18611.56852.0474
S32.75211.56853.5909
H40.99532.04743.5909

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 175.187 C2 N1 H4 139.473
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability