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

using model chemistry: HF/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 HF/6-31G**
 hartrees
Energy at 0K-491.555170
Energy at 298.15K-491.558969
HF Energy-491.555170
Nuclear repulsion energy94.648502
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 HF/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' 3745 3380 3.95 189.62 0.32 0.48
2 A' 3257 2940 32.30 93.15 0.41 0.59
3 A' 2908 2625 0.25 114.57 0.36 0.53
4 A' 1867 1685 180.55 24.02 0.27 0.43
5 A' 1525 1376 36.73 6.73 0.16 0.27
6 A' 1307 1180 31.12 14.39 0.71 0.83
7 A' 1027 927 59.82 6.55 0.71 0.83
8 A' 772 697 68.53 4.77 0.18 0.31
9 A' 460 416 20.97 4.38 0.47 0.64
10 A" 1197 1081 8.25 0.23 0.75 0.86
11 A" 804 726 78.98 5.52 0.75 0.86
12 A" 371 335 49.17 1.13 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9620.0 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 8683.0 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 HF/6-31G**
ABC
1.97937 0.20284 0.18399

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.214 1.060 0.000
C2 0.000 0.775 0.000
S3 -0.602 -0.884 0.000
H4 1.356 2.054 0.000
H5 -0.811 1.494 0.000
H6 0.588 -1.471 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.24712.66041.00452.07112.6071
C21.24711.76511.86411.08392.3215
S32.66041.76513.53102.38771.3265
H41.00451.86413.53102.23793.6079
H52.07111.08392.38772.23793.2785
H62.60712.32151.32653.60793.2785

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 123.142 N1 C2 H5 125.222
C2 N1 H4 111.310 C2 S3 H6 96.306
S3 C2 H5 111.636
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.544      
2 C 0.004      
3 S 0.032      
4 H 0.273      
5 H 0.150      
6 H 0.085      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.714 1.475 0.000 1.639
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.401 -1.803 0.000
y -1.803 -19.387 0.000
z 0.000 0.000 -27.792
Traceless
 xyz
x -4.812 -1.803 0.000
y -1.803 8.710 0.000
z 0.000 0.000 -3.898
Polar
3z2-r2-7.797
x2-y2-9.014
xy-1.803
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.471 1.083 0.000
y 1.083 5.872 0.000
z 0.000 0.000 2.580


<r2> (average value of r2) Å2
<r2> 67.287
(<r2>)1/2 8.203