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

using model chemistry: B3PW91/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-311+G(3df,2p)
 hartrees
Energy at 0K-492.812204
Energy at 298.15K-492.815901
HF Energy-492.812204
Nuclear repulsion energy94.463512
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 B3PW91/6-311+G(3df,2p)
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' 3497 3348 7.12 185.13 0.31 0.47
2 A' 3047 2917 23.91 117.59 0.37 0.54
3 A' 2687 2572 2.65 98.83 0.18 0.31
4 A' 1667 1596 190.13 26.29 0.22 0.36
5 A' 1375 1317 20.39 2.74 0.08 0.15
6 A' 1189 1138 27.26 11.26 0.45 0.62
7 A' 925 885 55.00 5.10 0.15 0.26
8 A' 711 681 71.22 5.73 0.08 0.15
9 A' 423 405 18.11 3.55 0.31 0.47
10 A" 1056 1011 1.93 0.27 0.75 0.86
11 A" 732 701 76.84 1.53 0.75 0.86
12 A" 395 378 28.35 0.21 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8851.7 cm-1
Scaled (by 0.9573) Zero Point Vibrational Energy (zpe) 8473.7 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 B3PW91/6-311+G(3df,2p)
ABC
1.96244 0.20300 0.18397

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.229 1.052 0.000
C2 0.000 0.763 0.000
S3 -0.610 -0.877 0.000
H4 1.367 2.061 0.000
H5 -0.821 1.487 0.000
H6 0.604 -1.456 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.26282.66541.01822.09622.5852
C21.26281.75031.88471.09452.3003
S32.66541.75033.54122.37351.3444
H41.01821.88473.54122.26233.5991
H52.09621.09452.37352.26233.2698
H62.58522.30031.34443.59913.2698

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 123.602 N1 C2 H5 125.412
C2 N1 H4 110.977 C2 S3 H6 95.124
S3 C2 H5 110.985
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.743      
2 C 0.453      
3 S -0.196      
4 H 0.171      
5 H 0.142      
6 H 0.173      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.889 0.984 0.000 1.326
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.051 -1.484 0.000
y -1.484 -19.837 0.000
z 0.000 0.000 -27.640
Traceless
 xyz
x -4.312 -1.484 0.000
y -1.484 8.008 0.000
z 0.000 0.000 -3.696
Polar
3z2-r2-7.392
x2-y2-8.213
xy-1.484
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.859 1.347 0.000
y 1.347 7.600 0.000
z 0.000 0.000 4.630


<r2> (average value of r2) Å2
<r2> 67.295
(<r2>)1/2 8.203