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

using model chemistry: M06-2X/3-21G

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/3-21G
 hartrees
Energy at 0K-490.237995
Energy at 298.15K-490.241552
HF Energy-490.237995
Nuclear repulsion energy92.424279
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/3-21G
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' 3368 3229 1.72 254.73 0.31 0.48
2 A' 3120 2991 19.01 96.56 0.46 0.63
3 A' 2492 2389 1.39 109.76 0.36 0.53
4 A' 1703 1632 144.91 4.78 0.24 0.39
5 A' 1380 1323 22.70 8.47 0.18 0.30
6 A' 1157 1110 73.13 19.78 0.74 0.85
7 A' 915 877 58.37 9.45 0.70 0.82
8 A' 640 613 98.30 11.63 0.31 0.47
9 A' 417 400 12.21 5.82 0.48 0.64
10 A" 1102 1057 2.47 0.34 0.75 0.86
11 A" 747 717 106.05 3.99 0.75 0.86
12 A" 303 290 63.93 7.46 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8672.3 cm-1
Scaled (by 0.9587) Zero Point Vibrational Energy (zpe) 8314.2 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/3-21G
ABC
1.83470 0.19485 0.17615

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.241 1.056 0.000
C2 0.000 0.820 0.000
S3 -0.623 -0.903 0.000
H4 1.490 2.060 0.000
H5 -0.834 1.521 0.000
H6 0.628 -1.454 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.26342.70431.03432.12672.5840
C21.26341.83171.93851.08972.3588
S32.70431.83173.63912.43271.3672
H41.03431.93853.63912.38573.6183
H52.12671.08972.43272.38573.3147
H62.58402.35881.36723.61833.3147

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 120.681 N1 C2 H5 129.167
C2 N1 H4 114.695 C2 S3 H6 93.889
S3 C2 H5 110.152
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.522      
2 C -0.230      
3 S 0.108      
4 H 0.290      
5 H 0.237      
6 H 0.117      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.017 1.917 0.000 1.917
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.135 -1.270 0.000
y -1.270 -19.362 0.000
z 0.000 0.000 -27.873
Traceless
 xyz
x -4.518 -1.270 0.000
y -1.270 8.641 0.000
z 0.000 0.000 -4.124
Polar
3z2-r2-8.248
x2-y2-8.773
xy-1.270
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.331 1.159 0.000
y 1.159 6.082 0.000
z 0.000 0.000 1.735


<r2> (average value of r2) Å2
<r2> 69.548
(<r2>)1/2 8.340