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

using model chemistry: B3LYP/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 B3LYP/6-311G*
 hartrees
Energy at 0K-492.875048
Energy at 298.15K-492.878741
HF Energy-492.875048
Nuclear repulsion energy93.801095
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/6-311G*
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' 3458 3342 0.03 222.89 0.34 0.51
2 A' 3042 2940 41.67 129.52 0.42 0.60
3 A' 2621 2533 0.32 118.17 0.33 0.50
4 A' 1668 1612 178.35 12.31 0.25 0.40
5 A' 1401 1354 26.92 5.81 0.13 0.23
6 A' 1213 1172 31.35 13.96 0.61 0.75
7 A' 940 908 54.37 5.33 0.51 0.67
8 A' 689 666 83.27 5.58 0.24 0.39
9 A' 432 417 15.65 3.58 0.48 0.65
10 A" 1058 1022 3.99 0.53 0.75 0.86
11 A" 733 708 86.31 3.44 0.75 0.86
12 A" 395 381 45.99 4.62 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8825.1 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 8527.7 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/6-311G*
ABC
1.92469 0.20021 0.18134

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.233 1.058 0.000
C2 0.000 0.779 0.000
S3 -0.612 -0.887 0.000
H4 1.377 2.068 0.000
H5 -0.827 1.498 0.000
H6 0.615 -1.455 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.26362.68051.02072.10602.5875
C21.26361.77511.88631.09592.3173
S32.68051.77513.56242.39511.3525
H41.02071.88633.56242.27663.6046
H52.10601.09592.39512.27663.2867
H62.58752.31731.35253.60463.2867

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 122.909 N1 C2 H5 126.245
C2 N1 H4 110.886 C2 S3 H6 94.660
S3 C2 H5 110.846
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.460      
2 C -0.158      
3 S -0.048      
4 H 0.285      
5 H 0.215      
6 H 0.166      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.601 1.271 0.000 1.406
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.250 -1.466 0.000
y -1.466 -19.636 0.000
z 0.000 0.000 -28.074
Traceless
 xyz
x -4.395 -1.466 0.000
y -1.466 8.526 0.000
z 0.000 0.000 -4.131
Polar
3z2-r2-8.262
x2-y2-8.614
xy-1.466
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.014 1.312 0.000
y 1.312 6.787 0.000
z 0.000 0.000 2.627


<r2> (average value of r2) Å2
<r2> 68.106
(<r2>)1/2 8.253