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

using model chemistry: QCISD(T)/aug-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)/aug-cc-pVDZ
 hartrees
Energy at 0K-492.095925
Energy at 298.15K-492.099564
HF Energy-491.586399
Nuclear repulsion energy92.993726
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)/aug-cc-pVDZ
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' 3435 3358        
2 A' 3075 3007        
3 A' 2678 2618        
4 A' 1609 1573        
5 A' 1364 1333        
6 A' 1204 1177        
7 A' 921 900        
8 A' 707 692        
9 A' 417 407        
10 A" 1025 1002        
11 A" 712 696        
12 A" 357 349        

Unscaled Zero Point Vibrational Energy (zpe) 8750.7 cm-1
Scaled (by 0.9778) Zero Point Vibrational Energy (zpe) 8556.4 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)/aug-cc-pVDZ
ABC
1.86886 0.19750 0.17862

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.262 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 -0.815 1.528 0.000
H6 0.607 -1.456 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.28982.70351.02962.13132.5900
C21.28981.78101.89821.10562.3186
S32.70351.78103.58032.42151.3582
H41.02961.89823.58032.27423.6137
H52.13131.10562.42152.27423.3060
H62.59002.31861.35823.61373.3060

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 122.574 N1 C2 H5 125.515
C2 N1 H4 109.341 C2 S3 H6 94.257
S3 C2 H5 111.911
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability