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

using model chemistry: CID/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CID/Def2TZVPP
 hartrees
Energy at 0K-490.925541
Energy at 298.15K-490.926295
HF Energy-490.462866
Nuclear repulsion energy80.480272
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 CID/Def2TZVPP
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' 3841 3841 350.57      
2 A' 2129 2129 1004.56      
3 A' 912 912 11.32      
4 A' 595 595 246.42      
5 A' 448 448 306.91      
6 A" 526 526 0.87      

Unscaled Zero Point Vibrational Energy (zpe) 4225.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4225.3 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 CID/Def2TZVPP
ABC
39.62135 0.19899 0.19800

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.118 1.675 0.000
C2 0.000 0.494 0.000
S3 0.019 -1.070 0.000
H4 0.525 2.433 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4
N11.18692.74790.9945
C21.18691.56362.0092
S32.74791.56363.5393
H40.99452.00923.5393

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 174.971 C2 N1 H4 133.972
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability