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: QCISD(T)/daug-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 QCISD(T)/daug-cc-pVDZ
 hartrees
Energy at 0K-492.098685
Energy at 298.15K-492.102325
HF Energy-491.587301
Nuclear repulsion energy93.000786
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(T)/daug-cc-pVDZ
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' 3432 3432        
2 A' 3070 3070        
3 A' 2675 2675        
4 A' 1609 1609        
5 A' 1365 1365        
6 A' 1203 1203        
7 A' 921 921        
8 A' 707 707        
9 A' 417 417        
10 A" 1026 1026        
11 A" 709 709        
12 A" 355 355        

Unscaled Zero Point Vibrational Energy (zpe) 8745.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8745.0 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(T)/daug-cc-pVDZ
ABC
1.86977 0.19751 0.17864

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/daug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.261 1.049 0.000
C2 0.000 0.781 0.000
S3 -0.626 -0.886 0.000
H4 1.393 2.071 0.000
H5 -0.814 1.529 0.000
H6 0.606 -1.457 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.28962.70331.02952.12972.5911
C21.28961.78081.89811.10502.3193
S32.70331.78083.58002.42211.3583
H41.02951.89813.58002.27213.6146
H52.12971.10502.42212.27213.3067
H62.59112.31931.35833.61463.3067

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 122.584 N1 C2 H5 125.415
C2 N1 H4 109.345 C2 S3 H6 94.304
S3 C2 H5 112.001
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability