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All results from a given calculation for HSCN (thiocyanic acid)

using model chemistry: CISD/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CISD/cc-pVDZ
 hartrees
Energy at 0K-490.796694
Energy at 298.15K-490.797323
HF Energy-490.413760
Nuclear repulsion energy78.141944
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 CISD/cc-pVDZ
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' 2802 2583 1.36      
2 A' 2378 2192 8.88      
3 A' 1010 931 9.93      
4 A' 714 658 1.17      
5 A' 342 315 4.06      
6 A" 402 370 1.81      

Unscaled Zero Point Vibrational Energy (zpe) 3824.4 cm-1
Scaled (by 0.9218) Zero Point Vibrational Energy (zpe) 3525.4 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 CISD/cc-pVDZ
ABC
9.63023 0.18996 0.18629

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.074 -1.009 0.000
C2 0.000 0.706 0.000
N3 -0.010 1.868 0.000
H4 1.262 -1.174 0.000

Atom - Atom Distances (Å)
  S1 C2 N3 H4
S11.71672.87731.3460
C21.71671.16152.2642
N32.87731.16153.2970
H41.34602.26423.2970

picture of thiocyanic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 N3 177.006 C2 S1 H4 94.568
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability