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

using model chemistry: HF/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/6-31G
 hartrees
Energy at 0K-491.458328
Energy at 298.15K-491.462064
HF Energy-491.458328
Nuclear repulsion energy93.098155
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 HF/6-31G
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' 3711 3350 5.35 236.76 0.33 0.49
2 A' 3317 2995 21.22 103.99 0.42 0.60
3 A' 2720 2456 4.71 152.44 0.38 0.55
4 A' 1840 1662 171.80 14.31 0.33 0.50
5 A' 1507 1361 36.71 12.36 0.17 0.30
6 A' 1263 1141 62.67 17.00 0.74 0.85
7 A' 988 892 65.93 10.52 0.74 0.85
8 A' 715 645 77.59 11.80 0.23 0.37
9 A' 453 409 18.76 7.80 0.48 0.65
10 A" 1212 1094 8.09 0.44 0.75 0.86
11 A" 815 736 126.46 4.47 0.75 0.86
12 A" 346 312 75.45 4.21 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9442.4 cm-1
Scaled (by 0.9029) Zero Point Vibrational Energy (zpe) 8525.5 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 HF/6-31G
ABC
1.91609 0.19561 0.17749

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.223 1.077 0.000
C2 0.000 0.806 0.000
S3 -0.613 -0.902 0.000
H4 1.471 2.052 0.000
H5 -0.812 1.513 0.000
H6 0.593 -1.510 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.25302.69981.00582.08162.6622
C21.25301.81461.92761.07672.3902
S32.69981.81463.61502.42291.3509
H41.00581.92763.61502.34573.6680
H52.08161.07672.42292.34573.3331
H62.66222.39021.35093.66803.3331

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 122.249 N1 C2 H5 126.469
C2 N1 H4 116.739 C2 S3 H6 96.978
S3 C2 H5 111.282
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.550      
2 C -0.185      
3 S 0.117      
4 H 0.320      
5 H 0.209      
6 H 0.089      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.341 2.029 0.000 2.057
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.326 -1.656 0.000
y -1.656 -19.129 0.000
z 0.000 0.000 -28.177
Traceless
 xyz
x -5.673 -1.656 0.000
y -1.656 9.623 0.000
z 0.000 0.000 -3.950
Polar
3z2-r2-7.899
x2-y2-10.197
xy-1.656
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.610 1.133 0.000
y 1.133 5.969 0.000
z 0.000 0.000 2.099


<r2> (average value of r2) Å2
<r2> 69.430
(<r2>)1/2 8.332