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

using model chemistry: CCD/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 CCD/6-311+G(3df,2p)
 hartrees
Energy at 0K-490.983386
Energy at 298.15K-490.984123
HF Energy-490.459400
Nuclear repulsion energy80.068540
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/6-311+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' 3762 3548 309.57      
2 A' 2074 1956 979.49      
3 A' 896 845 8.96      
4 A' 591 558 322.65      
5 A' 451 426 227.02      
6 A" 504 476 3.18      

Unscaled Zero Point Vibrational Energy (zpe) 4139.3 cm-1
Scaled (by 0.9431) Zero Point Vibrational Energy (zpe) 3903.8 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/6-311+G(3df,2p)
ABC
37.99317 0.19710 0.19608

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.139 1.682 0.000
C2 0.000 0.494 0.000
S3 0.029 -1.074 0.000
H4 0.507 2.448 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4
N11.19602.76191.0018
C21.19601.56922.0181
S32.76191.56923.5546
H41.00182.01813.5546

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 174.380 C2 N1 H4 133.148
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability