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: wB97X-D/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/6-31+G**
 hartrees
Energy at 0K-492.784884
Energy at 298.15K-492.788607
HF Energy-492.784884
Nuclear repulsion energy94.119759
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 wB97X-D/6-31+G**
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' 3546 3377 5.52 168.32 0.33 0.50
2 A' 3100 2952 26.34 121.24 0.40 0.57
3 A' 2732 2602 0.15 106.33 0.27 0.43
4 A' 1701 1620 201.42 26.06 0.22 0.36
5 A' 1400 1333 17.61 4.33 0.09 0.17
6 A' 1209 1152 23.77 14.18 0.62 0.76
7 A' 950 904 57.10 5.68 0.42 0.60
8 A' 730 695 80.94 4.02 0.11 0.19
9 A' 437 416 20.62 4.23 0.37 0.54
10 A" 1070 1019 2.50 0.68 0.75 0.86
11 A" 741 706 94.00 1.87 0.75 0.86
12 A" 396 377 42.69 0.22 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9005.9 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 8576.3 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 wB97X-D/6-31+G**
ABC
1.92983 0.20192 0.18279

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.238 1.046 0.000
C2 0.000 0.771 0.000
S3 -0.615 -0.878 0.000
H4 1.383 2.055 0.000
H5 -0.814 1.505 0.000
H6 0.599 -1.455 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.26832.67151.01962.10282.5813
C21.26831.76061.88691.09562.3053
S32.67151.76063.54922.39151.3436
H41.01961.88693.54922.26453.5967
H52.10281.09562.39152.26453.2796
H62.58132.30531.34363.59673.2796

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 122.946 N1 C2 H5 125.470
C2 N1 H4 110.650 C2 S3 H6 94.967
S3 C2 H5 111.584
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.401      
2 C -0.196      
3 S 0.049      
4 H 0.271      
5 H 0.173      
6 H 0.104      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.812 1.294 0.000 1.528
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.649 -1.629 0.000
y -1.629 -19.343 0.000
z 0.000 0.000 -27.906
Traceless
 xyz
x -5.025 -1.629 0.000
y -1.629 8.935 0.000
z 0.000 0.000 -3.910
Polar
3z2-r2-7.821
x2-y2-9.306
xy-1.629
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.386 1.293 0.000
y 1.293 6.765 0.000
z 0.000 0.000 3.876


<r2> (average value of r2) Å2
<r2> 67.695
(<r2>)1/2 8.228