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

using model chemistry: PBEPBE/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 PBEPBE/STO-3G
 hartrees
Energy at 0K-486.907255
Energy at 298.15K-486.910841
HF Energy-486.907255
Nuclear repulsion energy92.283694
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 PBEPBE/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' 3343 3054 15.27 93.10 0.25 0.40
2 A' 3240 2960 1.97 46.18 0.66 0.80
3 A' 2877 2628 12.06 58.10 0.27 0.43
4 A' 1655 1512 65.84 6.28 0.17 0.29
5 A' 1396 1275 26.63 5.29 0.12 0.22
6 A' 1295 1183 7.22 20.46 0.73 0.84
7 A' 1017 929 28.92 6.41 0.43 0.60
8 A' 820 749 35.99 6.66 0.30 0.46
9 A' 421 384 11.74 2.99 0.53 0.69
10 A" 1048 957 0.38 0.58 0.75 0.86
11 A" 713 651 42.15 3.35 0.75 0.86
12 A" 444 405 24.38 6.11 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9133.5 cm-1
Scaled (by 0.9136) Zero Point Vibrational Energy (zpe) 8344.3 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 PBEPBE/STO-3G
ABC
1.76020 0.19791 0.17791

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.311 1.003 0.000
C2 0.000 0.779 0.000
S3 -0.648 -0.868 0.000
H4 1.401 2.085 0.000
H5 -0.808 1.548 0.000
H6 0.598 -1.447 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.33032.70901.08542.18852.5516
C21.33031.76981.91511.11512.3050
S32.70901.76983.59392.42041.3739
H41.08541.91513.59392.27393.6218
H52.18851.11512.42042.27393.3080
H62.55162.30501.37393.62183.3080

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 121.159 N1 C2 H5 126.774
C2 N1 H4 104.431 C2 S3 H6 93.454
S3 C2 H5 112.067
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.298      
2 C -0.106      
3 S 0.155      
4 H 0.146      
5 H 0.077      
6 H 0.026      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.077 0.336 0.000 1.129
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.626 -1.138 0.000
y -1.138 -18.483 0.000
z 0.000 0.000 -23.455
Traceless
 xyz
x -4.657 -1.138 0.000
y -1.138 6.058 0.000
z 0.000 0.000 -1.401
Polar
3z2-r2-2.801
x2-y2-7.143
xy-1.138
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.215 0.939 0.000
y 0.939 4.091 0.000
z 0.000 0.000 0.577


<r2> (average value of r2) Å2
<r2> 67.363
(<r2>)1/2 8.207