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

using model chemistry: PBE1PBE/STO-3G

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/STO-3G
 hartrees
Energy at 0K-486.973421
Energy at 298.15K-486.977076
HF Energy-486.973421
Nuclear repulsion energy93.177578
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/STO-3G
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' 3532 3116 7.65 91.74 0.28 0.43
2 A' 3381 2982 1.09 41.28 0.60 0.75
3 A' 3022 2666 9.34 58.02 0.28 0.44
4 A' 1759 1552 77.20 9.66 0.16 0.28
5 A' 1470 1297 27.14 4.99 0.10 0.17
6 A' 1338 1180 8.69 20.80 0.74 0.85
7 A' 1064 939 31.56 5.78 0.49 0.65
8 A' 851 751 41.61 4.58 0.28 0.44
9 A' 438 387 12.73 2.92 0.55 0.71
10 A" 1116 985 1.02 0.31 0.75 0.86
11 A" 748 660 42.27 3.46 0.75 0.86
12 A" 436 384 29.20 6.15 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9577.6 cm-1
Scaled (by 0.8821) Zero Point Vibrational Energy (zpe) 8448.4 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/STO-3G
ABC
1.81425 0.20103 0.18098

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.289 1.005 0.000
C2 0.000 0.773 0.000
S3 -0.638 -0.865 0.000
H4 1.394 2.069 0.000
H5 -0.797 1.539 0.000
H6 0.591 -1.441 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.30962.68481.06992.15352.5431
C21.30961.75761.90391.10572.2915
S32.68481.75763.56932.40931.3578
H41.06991.90393.56932.25463.6009
H52.15351.10572.40932.25463.2877
H62.54312.29151.35783.60093.2877

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 121.479 N1 C2 H5 125.940
C2 N1 H4 105.839 C2 S3 H6 93.820
S3 C2 H5 112.581
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.308      
2 C -0.093      
3 S 0.143      
4 H 0.153      
5 H 0.081      
6 H 0.024      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.981 0.560 0.000 1.130
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.747 -1.198 0.000
y -1.198 -18.392 0.000
z 0.000 0.000 -23.437
Traceless
 xyz
x -4.833 -1.198 0.000
y -1.198 6.200 0.000
z 0.000 0.000 -1.367
Polar
3z2-r2-2.734
x2-y2-7.355
xy-1.198
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.124 0.880 0.000
y 0.880 3.883 0.000
z 0.000 0.000 0.549


<r2> (average value of r2) Å2
<r2> 66.486
(<r2>)1/2 8.154