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

using model chemistry: B3LYP/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 B3LYP/6-31G**
 hartrees
Energy at 0K-492.832802
Energy at 298.15K-492.836481
HF Energy-492.832802
Nuclear repulsion energy93.674586
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 B3LYP/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' 3462 3326 0.05 210.64 0.32 0.48
2 A' 3063 2943 33.17 108.71 0.43 0.60
3 A' 2683 2578 0.51 105.81 0.33 0.50
4 A' 1680 1614 164.31 13.40 0.23 0.37
5 A' 1394 1339 22.94 6.31 0.18 0.31
6 A' 1203 1156 33.46 16.31 0.69 0.82
7 A' 932 895 49.98 6.59 0.60 0.75
8 A' 697 670 75.07 5.80 0.26 0.41
9 A' 426 409 14.74 3.67 0.47 0.64
10 A" 1057 1016 3.50 0.45 0.75 0.86
11 A" 731 703 70.96 5.50 0.75 0.86
12 A" 391 375 41.09 1.26 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8858.9 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 8511.7 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 B3LYP/6-31G**
ABC
1.91401 0.19978 0.18090

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.238 1.057 0.000
C2 0.000 0.780 0.000
S3 -0.614 -0.886 0.000
H4 1.373 2.071 0.000
H5 -0.830 1.497 0.000
H6 0.607 -1.462 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.26912.68451.02352.11502.5970
C21.26911.77551.88521.09702.3224
S32.68451.77553.56322.39281.3493
H41.02351.88523.56322.27723.6157
H52.11501.09702.39282.27723.2892
H62.59702.32241.34933.61573.2892

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 122.837 N1 C2 H5 126.577
C2 N1 H4 110.177 C2 S3 H6 95.033
S3 C2 H5 110.586
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.465      
2 C -0.024      
3 S 0.026      
4 H 0.241      
5 H 0.127      
6 H 0.094      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.597 1.213 0.000 1.352
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.738 -1.540 0.000
y -1.540 -19.499 0.000
z 0.000 0.000 -27.302
Traceless
 xyz
x -4.337 -1.540 0.000
y -1.540 8.022 0.000
z 0.000 0.000 -3.684
Polar
3z2-r2-7.368
x2-y2-8.239
xy-1.540
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.681 1.264 0.000
y 1.264 6.492 0.000
z 0.000 0.000 2.600


<r2> (average value of r2) Å2
<r2> 67.929
(<r2>)1/2 8.242