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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-492.738634
Energy at 298.15K-492.742246
HF Energy-492.738634
Nuclear repulsion energy94.150291
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' 3493 3308 1.59 206.37 0.32 0.49
2 A' 3121 2956 27.06 105.60 0.42 0.59
3 A' 2733 2588 0.33 109.80 0.35 0.52
4 A' 1733 1642 165.66 15.23 0.24 0.38
5 A' 1412 1337 24.65 6.18 0.19 0.31
6 A' 1216 1152 29.60 16.60 0.70 0.83
7 A' 947 897 53.75 6.72 0.63 0.78
8 A' 724 686 72.85 4.57 0.25 0.40
9 A' 436 413 17.95 3.46 0.45 0.62
10 A" 1087 1030 5.04 0.42 0.75 0.86
11 A" 743 704 78.71 5.45 0.75 0.86
12 A" 304 288 44.49 1.27 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8974.7 cm-1
Scaled (by 0.947) Zero Point Vibrational Energy (zpe) 8499.0 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
1.91778 0.20246 0.18312

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 1.237 1.041 0.000
C2 0.000 0.776 0.000
S3 -0.614 -0.879 0.000
H4 1.382 2.053 0.000
H5 -0.817 1.506 0.000
H6 0.606 -1.440 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.26462.66641.02252.10572.5594
C21.26461.76521.88131.09532.2976
S32.66641.76523.54662.39301.3435
H41.02251.88133.54662.26593.5778
H52.10571.09532.39302.26593.2716
H62.55942.29761.34353.57783.2716

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 122.437 N1 C2 H5 126.166
C2 N1 H4 110.237 C2 S3 H6 94.330
S3 C2 H5 111.397
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 -0.537      
2 C -0.097      
3 S -0.012      
4 H 0.320      
5 H 0.189      
6 H 0.137      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.590 1.346 0.000 1.469
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.860 -1.477 0.000
y -1.477 -19.337 0.000
z 0.000 0.000 -27.527
Traceless
 xyz
x -4.428 -1.477 0.000
y -1.477 8.357 0.000
z 0.000 0.000 -3.929
Polar
3z2-r2-7.858
x2-y2-8.523
xy-1.477
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.643 1.196 0.000
y 1.196 6.282 0.000
z 0.000 0.000 2.576


<r2> (average value of r2) Å2
<r2> 67.347
(<r2>)1/2 8.207