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

using model chemistry: CCD/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/6-311G**
 hartrees
Energy at 0K-490.876125
Energy at 298.15K-490.876824
HF Energy-490.436939
Nuclear repulsion energy79.819379
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 CCD/6-311G**
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' 3753 3585 269.55      
2 A' 2078 1985 889.97      
3 A' 897 857 7.49      
4 A' 583 557 385.19      
5 A' 436 417 202.06      
6 A" 478 456 1.18      

Unscaled Zero Point Vibrational Energy (zpe) 4112.7 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 3928.0 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 CCD/6-311G**
ABC
35.22007 0.19603 0.19495

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.142 1.689 0.000
C2 0.000 0.496 0.000
S3 0.029 -1.077 0.000
H4 0.532 2.435 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4
N11.20172.77171.0046
C21.20171.57342.0102
S32.77171.57343.5475
H41.00462.01023.5475

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 174.265 C2 N1 H4 131.110
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability