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)=FULL/cc-pVQZ

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)=FULL/cc-pVQZ
 hartrees
Energy at 0K-492.387085
Energy at 298.15K-492.390770
HF Energy-491.634195
Nuclear repulsion energy94.321505
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)=FULL/cc-pVQZ
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' 3490 3490        
2 A' 3091 3091        
3 A' 2693 2693        
4 A' 1643 1643        
5 A' 1384 1384        
6 A' 1205 1205        
7 A' 932 932        
8 A' 720 720        
9 A' 424 424        
10 A" 1063 1063        
11 A" 732 732        
12 A" 376 376        

Unscaled Zero Point Vibrational Energy (zpe) 8875.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8875.6 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)=FULL/cc-pVQZ
ABC
1.93160 0.20294 0.18365

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.241 1.038 0.000
C2 0.000 0.770 0.000
S3 -0.616 -0.875 0.000
H4 1.379 2.045 0.000
H5 -0.804 1.505 0.000
H6 0.601 -1.435 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.26942.66621.01612.09692.5538
C21.26941.75671.87761.08892.2851
S32.66621.75673.53622.38731.3402
H41.01611.87763.53622.24793.5650
H52.09691.08892.38732.24793.2580
H62.55382.28511.34023.56503.2580

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 122.728 N1 C2 H5 125.366
C2 N1 H4 109.987 C2 S3 H6 94.136
S3 C2 H5 111.906
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability