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

using model chemistry: B2PLYP/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-492.582475
Energy at 298.15K-492.586174
HF Energy-492.436741
Nuclear repulsion energy93.924810
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/6-31+G**
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' 3514 3347 3.71 180.81 0.33 0.49
2 A' 3113 2965 27.51 124.88 0.41 0.58
3 A' 2741 2611 0.12 106.53 0.25 0.41
4 A' 1649 1571 182.08 22.20 0.21 0.34
5 A' 1399 1332 17.18 5.69 0.10 0.17
6 A' 1207 1150 22.93 15.32 0.58 0.73
7 A' 948 903 59.65 5.67 0.37 0.54
8 A' 725 691 78.50 4.52 0.11 0.20
9 A' 432 412 19.80 4.35 0.37 0.54
10 A" 1056 1006 1.86 0.63 0.75 0.86
11 A" 736 701 94.19 1.73 0.75 0.86
12 A" 383 365 38.20 0.25 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8952.0 cm-1
Scaled (by 0.9524) Zero Point Vibrational Energy (zpe) 8525.9 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 B2PLYP/6-31+G**
ABC
1.92288 0.20097 0.18196

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.247 1.046 0.000
C2 0.000 0.771 0.000
S3 -0.619 -0.878 0.000
H4 1.387 2.057 0.000
H5 -0.811 1.504 0.000
H6 0.595 -1.452 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.27652.67981.02062.10832.5813
C21.27651.76171.89131.09332.3012
S32.67981.76173.55492.39011.3420
H41.02061.89133.55492.26693.5969
H52.10831.09332.39012.26693.2732
H62.58132.30121.34203.59693.2732

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 122.980 N1 C2 H5 125.486
C2 N1 H4 110.347 C2 S3 H6 94.743
S3 C2 H5 111.534
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.393      
2 C -0.194      
3 S 0.078      
4 H 0.259      
5 H 0.156      
6 H 0.093      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.850 1.223 0.000 1.489
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.042 -1.555 0.001
y -1.555 -19.836 0.003
z 0.001 0.003 -28.205
Traceless
 xyz
x -5.021 -1.555 0.001
y -1.555 8.788 0.003
z 0.001 0.003 -3.767
Polar
3z2-r2-7.533
x2-y2-9.206
xy-1.555
xz0.001
yz0.003


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.451 1.343 -0.002
y 1.343 6.910 -0.003
z -0.002 -0.003 3.943


<r2> (average value of r2) Å2
<r2> 68.152
(<r2>)1/2 8.255