return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: M06-2X/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-492.821133
Energy at 298.15K-492.824748
HF Energy-492.821133
Nuclear repulsion energy94.557173
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/Def2TZVPP
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' 3511 3511 10.41 186.12 0.30 0.46
2 A' 3089 3089 20.35 111.15 0.35 0.52
3 A' 2715 2715 3.38 100.12 0.22 0.37
4 A' 1707 1707 186.23 25.01 0.21 0.34
5 A' 1391 1391 22.56 3.96 0.07 0.14
6 A' 1200 1200 26.32 10.82 0.57 0.73
7 A' 932 932 54.04 3.88 0.37 0.54
8 A' 719 719 69.96 3.94 0.14 0.24
9 A' 432 432 18.99 3.59 0.37 0.54
10 A" 1083 1083 3.50 0.27 0.75 0.86
11 A" 740 740 75.73 1.88 0.75 0.86
12 A" 303 303 32.77 1.14 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8911.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8911.7 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/Def2TZVPP
ABC
1.96030 0.20351 0.18437

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.228 1.047 0.000
C2 0.000 0.766 0.000
S3 -0.610 -0.877 0.000
H4 1.369 2.055 0.000
H5 -0.813 1.495 0.000
H6 0.605 -1.442 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.25942.66061.01782.08942.5656
C21.25941.75311.88011.09202.2894
S32.66061.75313.53742.38141.3391
H41.01781.88013.53742.25273.5793
H52.08941.09202.38142.25273.2614
H62.56562.28941.33913.57933.2614

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 123.225 N1 C2 H5 125.244
C2 N1 H4 110.861 C2 S3 H6 94.580
S3 C2 H5 111.531
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.282      
2 C -0.005      
3 S -0.092      
4 H 0.152      
5 H 0.103      
6 H 0.124      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.841 1.112 0.000 1.394
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.006 -1.444 0.000
y -1.444 -19.852 0.000
z 0.000 0.000 -27.619
Traceless
 xyz
x -4.270 -1.444 0.000
y -1.444 7.961 0.000
z 0.000 0.000 -3.691
Polar
3z2-r2-7.381
x2-y2-8.154
xy-1.444
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.377 1.280 0.000
y 1.280 7.079 0.000
z 0.000 0.000 3.716


<r2> (average value of r2) Å2
<r2> 67.163
(<r2>)1/2 8.195