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

using model chemistry: TPSSh/STO-3G

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/STO-3G
 hartrees
Energy at 0K-487.250748
Energy at 298.15K-487.254355
HF Energy-487.250748
Nuclear repulsion energy92.590807
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/STO-3G
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' 3424 3424 15.31 97.81 0.25 0.41
2 A' 3322 3322 1.24 45.68 0.66 0.80
3 A' 2973 2973 11.01 60.18 0.28 0.44
4 A' 1705 1705 73.20 8.08 0.17 0.30
5 A' 1443 1443 26.71 5.65 0.10 0.19
6 A' 1326 1326 6.83 21.66 0.72 0.84
7 A' 1044 1044 31.56 6.25 0.46 0.63
8 A' 829 829 37.72 5.55 0.28 0.44
9 A' 425 425 11.84 3.07 0.55 0.71
10 A" 1088 1088 0.67 0.49 0.75 0.86
11 A" 730 730 39.75 3.76 0.75 0.86
12 A" 428 428 24.30 6.25 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9367.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9367.8 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/STO-3G
ABC
1.78858 0.19854 0.17870

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.301 1.009 0.000
C2 0.000 0.777 0.000
S3 -0.643 -0.869 0.000
H4 1.394 2.084 0.000
H5 -0.801 1.545 0.000
H6 0.590 -1.448 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.32132.70301.07932.16952.5573
C21.32131.76781.91071.10962.3021
S32.70301.76783.58772.41941.3622
H41.07931.91073.58772.26063.6222
H52.16951.10962.41942.26063.3004
H62.55732.30211.36223.62223.3004

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 121.418 N1 C2 H5 126.149
C2 N1 H4 105.032 C2 S3 H6 93.800
S3 C2 H5 112.433
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.295      
2 C -0.087      
3 S 0.159      
4 H 0.140      
5 H 0.070      
6 H 0.013      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.052 0.432 0.000 1.137
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 3.181 0.914 0.000
y 0.914 4.039 0.000
z 0.000 0.000 0.561


<r2> (average value of r2) Å2
<r2> 67.187
(<r2>)1/2 8.197