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

using model chemistry: TPSSh/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 TPSSh/6-31G
 hartrees
Energy at 0K-492.766139
Energy at 298.15K-492.769761
HF Energy-492.766139
Nuclear repulsion energy92.118524
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/6-31G
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' 3391 3263 2.08 267.80 0.32 0.48
2 A' 3114 2996 30.81 133.99 0.46 0.63
3 A' 2538 2441 11.21 131.19 0.36 0.53
4 A' 1648 1585 163.34 7.02 0.21 0.35
5 A' 1375 1323 20.26 10.91 0.18 0.31
6 A' 1157 1113 62.26 18.69 0.75 0.85
7 A' 894 860 63.48 8.10 0.65 0.79
8 A' 653 628 95.82 10.38 0.30 0.47
9 A' 414 398 11.92 5.86 0.47 0.64
10 A" 1060 1020 1.44 0.24 0.75 0.86
11 A" 738 710 112.89 4.48 0.75 0.86
12 A" 378 364 58.72 3.65 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8679.3 cm-1
Scaled (by 0.9621) Zero Point Vibrational Energy (zpe) 8350.4 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 TPSSh/6-31G
ABC
1.83228 0.19331 0.17486

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.254 1.063 0.000
C2 0.000 0.813 0.000
S3 -0.628 -0.902 0.000
H4 1.484 2.066 0.000
H5 -0.831 1.521 0.000
H6 0.617 -1.481 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.27852.72031.02962.13472.6224
C21.27851.82581.94291.09182.3754
S32.72031.82583.64292.43071.3733
H41.02961.94293.64292.37923.6518
H52.13471.09182.43072.37923.3328
H62.62242.37541.37333.65183.3328

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 121.397 N1 C2 H5 128.309
C2 N1 H4 114.227 C2 S3 H6 94.839
S3 C2 H5 110.294
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.460      
2 C -0.229      
3 S 0.112      
4 H 0.288      
5 H 0.195      
6 H 0.094      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.263 1.717 0.000 1.737
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 5.854 1.341 0.000
y 1.341 6.603 0.000
z 0.000 0.000 2.189


<r2> (average value of r2) Å2
<r2> 69.894
(<r2>)1/2 8.360