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

using model chemistry: mPW1PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31G*
 hartrees
Energy at 0K-492.800896
Energy at 298.15K-492.804610
HF Energy-492.800896
Nuclear repulsion energy94.184788
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 mPW1PW91/6-31G*
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' 3502 3321 0.43 194.96 0.32 0.49
2 A' 3107 2946 31.47 107.64 0.42 0.59
3 A' 2742 2600 0.95 106.85 0.35 0.52
4 A' 1711 1622 164.94 15.17 0.24 0.38
5 A' 1413 1340 23.61 6.51 0.18 0.31
6 A' 1221 1158 31.24 15.27 0.70 0.82
7 A' 949 900 54.07 6.31 0.63 0.77
8 A' 726 688 73.95 4.79 0.26 0.42
9 A' 433 411 17.63 3.38 0.47 0.64
10 A" 1073 1017 3.59 0.27 0.75 0.86
11 A" 742 704 79.62 4.86 0.75 0.86
12 A" 402 381 44.96 1.15 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9009.7 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 8543.9 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 mPW1PW91/6-31G*
ABC
1.92278 0.20252 0.18322

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.237 1.043 0.000
C2 0.000 0.773 0.000
S3 -0.614 -0.878 0.000
H4 1.377 2.054 0.000
H5 -0.822 1.497 0.000
H6 0.604 -1.449 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.26642.66741.02072.10902.5718
C21.26641.76101.88091.09572.3030
S32.66741.76103.54382.38401.3451
H41.02071.88093.54382.26883.5879
H52.10901.09572.38402.26883.2736
H62.57182.30301.34513.58793.2736

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 122.706 N1 C2 H5 126.312
C2 N1 H4 110.190 C2 S3 H6 94.766
S3 C2 H5 110.982
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.536      
2 C -0.116      
3 S -0.008      
4 H 0.321      
5 H 0.195      
6 H 0.143      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.609 1.260 0.000 1.400
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.753 -1.536 0.000
y -1.536 -19.192 0.000
z 0.000 0.000 -27.364
Traceless
 xyz
x -4.475 -1.536 0.000
y -1.536 8.366 0.000
z 0.000 0.000 -3.891
Polar
3z2-r2-7.783
x2-y2-8.561
xy-1.536
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.637 1.243 0.000
y 1.243 6.307 0.000
z 0.000 0.000 2.575


<r2> (average value of r2) Å2
<r2> 67.236
(<r2>)1/2 8.200