return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for NHCHSH (Methanimidothioic acid)

using model chemistry: CCSD/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD/6-311G**
 hartrees
Energy at 0K-492.078287
Energy at 298.15K-492.081988
HF Energy-491.597472
Nuclear repulsion energy93.968688
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 CCSD/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3507 3507 0.50      
2 A' 3099 3099 30.98      
3 A' 2762 2762 0.00      
4 A' 1683 1683 119.55      
5 A' 1426 1426 22.42      
6 A' 1240 1240 23.14      
7 A' 965 965 51.92      
8 A' 735 735 63.17      
9 A' 437 437 18.86      
10 A" 1080 1080 3.40      
11 A" 741 741 73.15      
12 A" 356 356 39.69      

Unscaled Zero Point Vibrational Energy (zpe) 9015.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9015.1 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 CCSD/6-311G**
ABC
1.91413 0.20142 0.18224

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.244 1.042 0.000
C2 0.000 0.775 0.000
S3 -0.617 -0.880 0.000
H4 1.367 2.056 0.000
H5 -0.809 1.514 0.000
H6 0.603 -1.431 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.27282.67611.02082.10712.5553
C21.27281.76651.87321.09582.2871
S32.67611.76653.54342.40181.3389
H41.02081.87323.54342.24253.5696
H52.10711.09582.40182.24253.2662
H62.55532.28711.33893.56963.2662

picture of Methanimidothioic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 S3 122.573 N1 C2 H5 125.476
C2 N1 H4 109.012 C2 S3 H6 93.853
S3 C2 H5 111.951
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability