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

using model chemistry: M06-2X/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 M06-2X/6-31G**
 hartrees
Energy at 0K-492.745758
Energy at 298.15K-492.749358
HF Energy-492.745758
Nuclear repulsion energy94.152743
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 M06-2X/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' 3514 3340 2.64 211.56 0.32 0.48
2 A' 3108 2954 26.75 108.91 0.41 0.58
3 A' 2726 2591 0.13 112.82 0.33 0.50
4 A' 1733 1647 166.63 15.49 0.24 0.38
5 A' 1401 1332 24.03 6.16 0.19 0.32
6 A' 1205 1145 30.68 16.28 0.71 0.83
7 A' 936 890 53.48 6.67 0.62 0.77
8 A' 721 685 72.99 4.67 0.25 0.40
9 A' 433 412 17.80 3.50 0.45 0.62
10 A" 1084 1030 4.46 0.47 0.75 0.86
11 A" 742 705 76.99 5.58 0.75 0.86
12 A" 294 280 44.08 1.31 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8948.9 cm-1
Scaled (by 0.9504) Zero Point Vibrational Energy (zpe) 8505.0 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 M06-2X/6-31G**
ABC
1.91889 0.20240 0.18308

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.236 1.042 0.000
C2 0.000 0.777 0.000
S3 -0.614 -0.879 0.000
H4 1.379 2.053 0.000
H5 -0.819 1.504 0.000
H6 0.607 -1.440 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.26402.66681.02142.10582.5602
C21.26401.76601.87901.09532.2979
S32.66681.76603.54542.39251.3428
H41.02141.87903.54542.26483.5774
H52.10581.09532.39252.26483.2710
H62.56022.29791.34283.57743.2710

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 122.449 N1 C2 H5 126.242
C2 N1 H4 110.154 C2 S3 H6 94.335
S3 C2 H5 111.310
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.491      
2 C -0.049      
3 S 0.023      
4 H 0.264      
5 H 0.151      
6 H 0.103      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.577 1.337 0.000 1.457
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.768 -1.496 0.000
y -1.496 -19.377 0.000
z 0.000 0.000 -27.469
Traceless
 xyz
x -4.345 -1.496 0.000
y -1.496 8.241 0.000
z 0.000 0.000 -3.896
Polar
3z2-r2-7.792
x2-y2-8.391
xy-1.496
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.675 1.189 0.000
y 1.189 6.343 0.000
z 0.000 0.000 2.616


<r2> (average value of r2) Å2
<r2> 67.330
(<r2>)1/2 8.206