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

using model chemistry: B3LYP/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-104.709216
Energy at 298.15K-104.712837
HF Energy-104.709216
Nuclear repulsion energy53.399309
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/LANL2DZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3444 3310 4.18 217.81 0.31 0.48
2 A' 3106 2985 32.08 106.51 0.40 0.57
3 A' 2522 2424 4.98 116.29 0.28 0.44
4 A' 1633 1569 175.20 12.03 0.13 0.23
5 A' 1372 1318 19.12 9.38 0.16 0.28
6 A' 1146 1102 62.01 20.58 0.71 0.83
7 A' 913 877 57.98 8.10 0.68 0.81
8 A' 654 628 95.67 10.87 0.32 0.49
9 A' 419 403 11.87 6.65 0.44 0.62
10 A" 1062 1021 0.15 0.58 0.75 0.86
11 A" 734 705 132.99 1.30 0.75 0.86
12 A" 377 362 60.63 17.10 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8689.5 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 8352.4 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/LANL2DZ
ABC
1.84143 0.19135 0.17333

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.258 1.077 0.000
C2 0.000 0.808 0.000
S3 -0.629 -0.905 0.000
H4 1.488 2.081 0.000
H5 -0.835 1.518 0.000
H6 0.608 -1.511 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.28642.73631.03032.13902.6682
C21.28641.82461.95841.09592.3975
S32.73631.82463.66032.43111.3776
H41.03031.95843.66032.39073.6984
H52.13901.09592.43112.39073.3549
H62.66822.39751.37763.69843.3549

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 122.226 N1 C2 H5 127.589
C2 N1 H4 114.973 C2 S3 H6 95.945
S3 C2 H5 110.185
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.256      
2 C -0.369      
3 S 0.013      
4 H 0.248      
5 H 0.245      
6 H 0.119      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.447 1.627 0.000 1.687
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.041 -1.446 0.000
y -1.446 -18.362 0.000
z 0.000 0.000 -27.201
Traceless
 xyz
x -5.259 -1.446 0.000
y -1.446 9.259 0.000
z 0.000 0.000 -3.999
Polar
3z2-r2-7.999
x2-y2-9.679
xy-1.446
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.792 1.380 0.000
y 1.380 6.604 0.000
z 0.000 0.000 1.453


<r2> (average value of r2) Å2
<r2> 57.920
(<r2>)1/2 7.611