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

using model chemistry: QCISD/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/6-31+G**
 hartrees
Energy at 0K-490.824301
Energy at 298.15K-490.824808
HF Energy-490.389025
Nuclear repulsion energy78.034037
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 QCISD/6-31+G**
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' 2774 2622 0.02      
2 A' 2274 2150 7.03      
3 A' 1025 969 16.74      
4 A' 694 656 0.56      
5 A' 300 283 3.44      
6 A" 343 325 0.65      

Unscaled Zero Point Vibrational Energy (zpe) 3704.2 cm-1
Scaled (by 0.9454) Zero Point Vibrational Energy (zpe) 3501.9 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 QCISD/6-31+G**
ABC
9.75489 0.18932 0.18572

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.067 -1.010 0.000
C2 0.000 0.702 0.000
N3 -0.028 1.873 0.000
H4 1.261 -1.162 0.000

Atom - Atom Distances (Å)
  S1 C2 N3 H4
S11.71402.88401.3360
C21.71401.17142.2506
N32.88401.17143.2975
H41.33602.25063.2975

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 176.417 C2 S1 H4 94.289
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability