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

using model chemistry: CCD/6-31G*

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/6-31G*
 hartrees
Energy at 0K-490.800511
Energy at 298.15K-490.801058
HF Energy-490.381786
Nuclear repulsion energy78.152833
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/6-31G*
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' 2731 2585 1.55      
2 A' 2331 2206 4.45      
3 A' 1023 969 13.49      
4 A' 706 669 0.68      
5 A' 316 300 5.05      
6 A" 364 344 2.29      

Unscaled Zero Point Vibrational Energy (zpe) 3735.9 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 3536.1 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 CCD/6-31G*
ABC
9.61240 0.19020 0.18651

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.071 -1.008 0.000
C2 0.000 0.702 0.000
N3 -0.018 1.869 0.000
H4 1.266 -1.170 0.000

Atom - Atom Distances (Å)
  S1 C2 N3 H4
S11.71132.87681.3470
C21.71131.16662.2602
N32.87681.16663.2991
H41.34702.26023.2991

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 176.716 C2 S1 H4 94.547
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability