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: PBE1PBE/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBE1PBE/6-311G**
 hartrees
Energy at 0K-492.611384
Energy at 298.15K-492.615100
HF Energy-492.611384
Nuclear repulsion energy94.275943
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 PBE1PBE/6-311G**
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' 3514 3371 4.53 198.43 0.32 0.49
2 A' 3068 2944 30.55 122.98 0.40 0.58
3 A' 2707 2597 1.32 113.08 0.31 0.48
4 A' 1697 1629 178.78 15.62 0.24 0.39
5 A' 1391 1335 24.01 5.44 0.12 0.21
6 A' 1202 1153 28.14 12.40 0.62 0.76
7 A' 928 890 54.11 4.77 0.52 0.68
8 A' 715 686 78.53 4.65 0.24 0.39
9 A' 431 413 18.43 3.22 0.48 0.65
10 A" 1064 1021 2.40 0.37 0.75 0.86
11 A" 739 709 81.43 3.09 0.75 0.86
12 A" 399 383 46.44 3.95 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8927.3 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 8564.9 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 PBE1PBE/6-311G**
ABC
1.92926 0.20287 0.18357

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.232 1.044 0.000
C2 0.000 0.773 0.000
S3 -0.612 -0.879 0.000
H4 1.372 2.054 0.000
H5 -0.823 1.497 0.000
H6 0.614 -1.441 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.26192.66441.01902.10482.5609
C21.26191.76131.87711.09622.2971
S32.66441.76133.54062.38501.3482
H41.01901.87713.54062.26493.5758
H52.10481.09622.38502.26493.2701
H62.56092.29711.34823.57583.2701

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 122.745 N1 C2 H5 126.250
C2 N1 H4 110.307 C2 S3 H6 94.309
S3 C2 H5 111.005
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.344      
2 C -0.103      
3 S 0.012      
4 H 0.184      
5 H 0.143      
6 H 0.108      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.583 1.232 0.000 1.363
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.955 -1.497 0.000
y -1.497 -19.580 0.000
z 0.000 0.000 -27.794
Traceless
 xyz
x -4.268 -1.497 0.000
y -1.497 8.294 0.000
z 0.000 0.000 -4.026
Polar
3z2-r2-8.052
x2-y2-8.375
xy-1.497
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.980 1.272 0.000
y 1.272 6.699 0.000
z 0.000 0.000 2.723


<r2> (average value of r2) Å2
<r2> 67.348
(<r2>)1/2 8.207