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

using model chemistry: mPW1PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-311G*
 hartrees
Energy at 0K-492.847613
Energy at 298.15K-492.851339
HF Energy-492.847613
Nuclear repulsion energy94.302441
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 mPW1PW91/6-311G*
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' 3513 3353 0.44 199.65 0.34 0.50
2 A' 3078 2937 37.19 119.68 0.41 0.59
3 A' 2669 2548 0.03 113.16 0.33 0.50
4 A' 1698 1621 179.63 14.92 0.24 0.38
5 A' 1410 1346 26.26 5.62 0.12 0.22
6 A' 1221 1165 28.16 13.09 0.63 0.77
7 A' 947 904 55.67 4.90 0.53 0.69
8 A' 716 683 79.84 4.59 0.24 0.39
9 A' 435 415 18.63 3.26 0.49 0.66
10 A" 1070 1021 3.91 0.34 0.75 0.86
11 A" 743 709 88.02 3.10 0.75 0.86
12 A" 404 386 49.40 4.10 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8951.6 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 8543.4 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 mPW1PW91/6-311G*
ABC
1.93361 0.20289 0.18362

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.231 1.045 0.000
C2 0.000 0.772 0.000
S3 -0.612 -0.879 0.000
H4 1.376 2.052 0.000
H5 -0.821 1.497 0.000
H6 0.613 -1.444 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.26132.66421.01762.10132.5645
C21.26131.76061.87901.09492.2993
S32.66421.76063.54122.38481.3489
H41.01761.87903.54122.26533.5783
H52.10131.09492.38482.26533.2717
H62.56452.29931.34893.57833.2717

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 122.824 N1 C2 H5 126.061
C2 N1 H4 110.634 C2 S3 H6 94.439
S3 C2 H5 111.115
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.486      
2 C -0.162      
3 S -0.062      
4 H 0.296      
5 H 0.229      
6 H 0.185      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.604 1.265 0.000 1.402
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.050 -1.502 0.000
y -1.502 -19.334 0.000
z 0.000 0.000 -27.862
Traceless
 xyz
x -4.452 -1.502 0.000
y -1.502 8.622 0.000
z 0.000 0.000 -4.170
Polar
3z2-r2-8.340
x2-y2-8.716
xy-1.502
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.915 1.282 0.000
y 1.282 6.582 0.000
z 0.000 0.000 2.606


<r2> (average value of r2) Å2
<r2> 67.322
(<r2>)1/2 8.205