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

using model chemistry: B3LYP/STO-3G

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/STO-3G
 hartrees
Energy at 0K-487.197819
Energy at 298.15K-487.201431
HF Energy-487.197819
Nuclear repulsion energy92.554019
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/STO-3G
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' 3443 3073 12.87 98.69 0.27 0.42
2 A' 3319 2961 1.68 44.34 0.63 0.77
3 A' 2955 2637 11.41 59.76 0.28 0.44
4 A' 1712 1527 72.35 9.04 0.17 0.29
5 A' 1444 1288 28.37 5.71 0.09 0.16
6 A' 1325 1182 8.44 21.67 0.73 0.85
7 A' 1054 940 31.74 6.09 0.48 0.65
8 A' 824 735 39.79 5.02 0.27 0.42
9 A' 431 384 11.62 3.09 0.55 0.71
10 A" 1093 975 0.93 0.39 0.75 0.86
11 A" 730 652 40.91 3.70 0.75 0.86
12 A" 426 380 24.90 6.39 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9376.3 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 8367.4 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 B3LYP/STO-3G
ABC
1.79425 0.19811 0.17841

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.297 1.013 0.000
C2 0.000 0.779 0.000
S3 -0.642 -0.872 0.000
H4 1.401 2.084 0.000
H5 -0.800 1.547 0.000
H6 0.593 -1.450 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.31752.70411.07612.16372.5618
C21.31751.77181.91471.10912.3070
S32.70411.77183.59362.42451.3637
H41.07611.91473.59362.26603.6255
H52.16371.10912.42452.26603.3054
H62.56182.30701.36373.62553.3054

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 121.470 N1 C2 H5 125.954
C2 N1 H4 105.810 C2 S3 H6 93.837
S3 C2 H5 112.576
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.304      
2 C -0.088      
3 S 0.158      
4 H 0.146      
5 H 0.074      
6 H 0.013      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.055 0.497 0.000 1.166
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.747 -1.118 0.000
y -1.118 -18.498 0.000
z 0.000 0.000 -23.451
Traceless
 xyz
x -4.773 -1.118 0.000
y -1.118 6.101 0.000
z 0.000 0.000 -1.328
Polar
3z2-r2-2.656
x2-y2-7.249
xy-1.118
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.191 0.913 0.000
y 0.913 4.020 0.000
z 0.000 0.000 0.561


<r2> (average value of r2) Å2
<r2> 67.250
(<r2>)1/2 8.201