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

using model chemistry: QCISD(T)/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 QCISD(T)/6-31G*
 hartrees
Energy at 0K-492.000790
Energy at 298.15K-492.004467
HF Energy-491.542734
Nuclear repulsion energy93.557535
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)/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' 3419 3280        
2 A' 3089 2964        
3 A' 2707 2597        
4 A' 1653 1585        
5 A' 1418 1360        
6 A' 1235 1185        
7 A' 958 919        
8 A' 731 701        
9 A' 435 417        
10 A" 1061 1018        
11 A" 735 705        
12 A" 364 349        

Unscaled Zero Point Vibrational Energy (zpe) 8901.9 cm-1
Scaled (by 0.9593) Zero Point Vibrational Energy (zpe) 8539.6 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)/6-31G*
ABC
1.88393 0.20023 0.18099

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.256 1.038 0.000
C2 0.000 0.777 0.000
S3 -0.624 -0.879 0.000
H4 1.396 2.057 0.000
H5 -0.812 1.517 0.000
H6 0.602 -1.444 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.28292.68461.02862.12322.5667
C21.28291.76961.89351.09872.3014
S32.68461.76963.56322.40361.3494
H41.02861.89353.56322.27293.5898
H52.12321.09872.40362.27293.2816
H62.56672.30141.34943.58983.2816

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 122.346 N1 C2 H5 125.946
C2 N1 H4 109.513 C2 S3 H6 94.130
S3 C2 H5 111.708
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability