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

using model chemistry: B2PLYP/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 B2PLYP/6-311+G(3df,2p)
 hartrees
Energy at 0K-492.675207
Energy at 298.15K-492.678908
HF Energy-492.496146
Nuclear repulsion energy94.319562
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 B2PLYP/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 3497 6.69 188.03 0.30 0.46
2 A' 3074 3074 22.60 117.01 0.37 0.54
3 A' 2705 2705 3.01 96.90 0.19 0.31
4 A' 1637 1637 171.78 25.89 0.23 0.37
5 A' 1383 1383 20.87 4.11 0.08 0.15
6 A' 1198 1198 26.52 12.64 0.43 0.60
7 A' 936 936 56.26 5.03 0.14 0.25
8 A' 714 714 71.58 4.83 0.08 0.14
9 A' 426 426 18.10 3.46 0.32 0.49
10 A" 1059 1059 2.02 0.28 0.75 0.86
11 A" 734 734 77.19 1.41 0.75 0.86
12 A" 390 390 27.70 0.30 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8877.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8877.3 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 B2PLYP/6-311+G(3df,2p)
ABC
1.95063 0.20242 0.18339

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.236 1.048 0.000
C2 0.000 0.766 0.000
S3 -0.613 -0.877 0.000
H4 1.377 2.056 0.000
H5 -0.813 1.494 0.000
H6 0.597 -1.454 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.26822.66961.01782.09712.5824
C21.26821.75341.88701.09122.2984
S32.66961.75343.54452.37911.3406
H41.01781.88703.54452.26073.5956
H52.09711.09122.37912.26073.2673
H62.58242.29841.34063.59563.2673

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 123.342 N1 C2 H5 125.278
C2 N1 H4 110.802 C2 S3 H6 95.015
S3 C2 H5 111.380
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.729      
2 C 0.410      
3 S -0.190      
4 H 0.180      
5 H 0.160      
6 H 0.169      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.907 1.019 0.000 1.364
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.465 -1.448 0.002
y -1.448 -20.163 0.004
z 0.002 0.004 -28.016
Traceless
 xyz
x -4.375 -1.448 0.002
y -1.448 8.077 0.004
z 0.002 0.004 -3.702
Polar
3z2-r2-7.404
x2-y2-8.302
xy-1.448
xz0.002
yz0.004


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.886 1.349 -0.004
y 1.349 7.569 -0.006
z -0.004 -0.006 4.669


<r2> (average value of r2) Å2
<r2> 67.672
(<r2>)1/2 8.226