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

using model chemistry: M06-2X/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-492.755532
Energy at 298.15K-492.759129
HF Energy-492.755532
Nuclear repulsion energy94.329221
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(2df,p)
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' 3510 3343 6.60 196.25 0.31 0.48
2 A' 3095 2948 24.94 100.56 0.40 0.58
3 A' 2712 2583 2.19 98.07 0.29 0.45
4 A' 1726 1644 166.54 16.88 0.25 0.40
5 A' 1384 1318 24.60 4.77 0.15 0.25
6 A' 1192 1135 30.72 13.83 0.66 0.80
7 A' 924 880 49.56 4.96 0.47 0.64
8 A' 713 679 68.61 5.30 0.17 0.29
9 A' 427 406 18.29 2.96 0.40 0.58
10 A" 1086 1034 4.74 0.61 0.75 0.86
11 A" 741 705 65.31 4.54 0.75 0.86
12 A" 299 284 34.08 0.35 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8904.1 cm-1
Scaled (by 0.9524) Zero Point Vibrational Energy (zpe) 8480.2 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/6-31G(2df,p)
ABC
1.93963 0.20279 0.18360

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.231 1.047 0.000
C2 0.000 0.772 0.000
S3 -0.610 -0.880 0.000
H4 1.366 2.058 0.000
H5 -0.822 1.495 0.000
H6 0.608 -1.442 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.26122.66501.01992.10082.5657
C21.26121.76061.87601.09442.2957
S32.66501.76063.54042.38371.3419
H41.01991.87603.54042.25893.5809
H52.10081.09442.38372.25893.2661
H62.56572.29571.34193.58093.2661

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 122.891 N1 C2 H5 126.057
C2 N1 H4 110.210 C2 S3 H6 94.487
S3 C2 H5 111.053
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.405      
2 C 0.002      
3 S -0.194      
4 H 0.257      
5 H 0.145      
6 H 0.194      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.621 1.189 0.000 1.341
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.368 -1.497 0.000
y -1.497 -19.617 0.000
z 0.000 0.000 -27.297
Traceless
 xyz
x -3.911 -1.497 0.000
y -1.497 7.716 0.000
z 0.000 0.000 -3.805
Polar
3z2-r2-7.610
x2-y2-7.751
xy-1.497
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.831 1.222 0.000
y 1.222 6.649 0.000
z 0.000 0.000 3.296


<r2> (average value of r2) Å2
<r2> 67.117
(<r2>)1/2 8.192