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: B3LYPultrafine/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYPultrafine/cc-pVDZ
 hartrees
Energy at 0K-492.854356
Energy at 298.15K-492.858040
HF Energy-492.854356
Nuclear repulsion energy93.475696
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 B3LYPultrafine/cc-pVDZ
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' 3424 3321 0.49 235.95 0.32 0.48
2 A' 3037 2946 34.86 137.25 0.40 0.57
3 A' 2654 2574 0.09 112.47 0.27 0.43
4 A' 1674 1624 164.92 13.67 0.22 0.37
5 A' 1369 1328 28.01 4.03 0.13 0.23
6 A' 1191 1155 30.10 13.80 0.60 0.75
7 A' 917 889 41.65 5.91 0.48 0.65
8 A' 691 670 69.18 5.43 0.25 0.40
9 A' 421 409 13.87 3.74 0.44 0.61
10 A" 1048 1017 2.90 0.63 0.75 0.86
11 A" 725 704 63.32 3.86 0.75 0.86
12 A" 400 388 35.33 4.98 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8775.5 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 8512.2 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 B3LYPultrafine/cc-pVDZ
ABC
1.90057 0.19929 0.18038

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.240 1.058 0.000
C2 0.000 0.781 0.000
S3 -0.614 -0.888 0.000
H4 1.371 2.078 0.000
H5 -0.838 1.502 0.000
H6 0.622 -1.455 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.27012.68791.02872.12412.5878
C21.27011.77851.88761.10552.3205
S32.68791.77853.56952.40071.3597
H41.02871.88763.56952.28253.6118
H52.12411.10552.40072.28253.2975
H62.58782.32051.35973.61183.2975

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 122.821 N1 C2 H5 126.658
C2 N1 H4 109.949 C2 S3 H6 94.421
S3 C2 H5 110.521
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.151      
2 C -0.044      
3 S -0.027      
4 H 0.091      
5 H 0.038      
6 H 0.092      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.564 1.100 0.000 1.236
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.344 -1.343 0.000
y -1.343 -19.786 0.000
z 0.000 0.000 -27.102
Traceless
 xyz
x -3.900 -1.343 0.000
y -1.343 7.437 0.000
z 0.000 0.000 -3.537
Polar
3z2-r2-7.073
x2-y2-7.558
xy-1.343
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.738 1.163 0.000
y 1.163 6.714 0.000
z 0.000 0.000 2.417


<r2> (average value of r2) Å2
<r2> 68.026
(<r2>)1/2 8.248