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

using model chemistry: TPSSh/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 TPSSh/6-311G*
 hartrees
Energy at 0K-492.876393
Energy at 298.15K-492.880089
HF Energy-492.876393
Nuclear repulsion energy93.897315
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 TPSSh/6-311G*
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 3309 0.33 222.17 0.34 0.51
2 A' 3051 2939 42.33 129.49 0.42 0.60
3 A' 2639 2542 0.21 114.81 0.33 0.50
4 A' 1652 1591 170.55 12.98 0.23 0.37
5 A' 1398 1347 26.70 6.12 0.12 0.21
6 A' 1215 1170 27.50 14.00 0.62 0.77
7 A' 935 900 55.77 5.15 0.50 0.67
8 A' 697 671 78.38 5.68 0.25 0.40
9 A' 423 407 17.48 3.36 0.49 0.66
10 A" 1054 1016 3.38 0.47 0.75 0.86
11 A" 733 706 85.34 3.49 0.75 0.86
12 A" 406 391 46.46 4.30 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8818.2 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 8493.7 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 TPSSh/6-311G*
ABC
1.90794 0.20135 0.18213

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.241 1.044 0.000
C2 0.000 0.778 0.000
S3 -0.616 -0.881 0.000
H4 1.386 2.056 0.000
H5 -0.821 1.503 0.000
H6 0.610 -1.446 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.26902.67441.02262.11192.5691
C21.26901.76921.88581.09542.3065
S32.67441.76923.55452.39271.3508
H41.02261.88583.55452.27513.5876
H52.11191.09542.39272.27513.2787
H62.56912.30651.35083.58763.2787

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 122.495 N1 C2 H5 126.407
C2 N1 H4 110.295 C2 S3 H6 94.383
S3 C2 H5 111.098
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.476      
2 C -0.143      
3 S -0.062      
4 H 0.284      
5 H 0.217      
6 H 0.179      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.601 1.253 0.000 1.390
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.003 1.326 0.000
y 1.326 6.745 0.000
z 0.000 0.000 2.608


<r2> (average value of r2) Å2
<r2> 67.761
(<r2>)1/2 8.232