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

using model chemistry: B2PLYP/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 B2PLYP/6-31G
 hartrees
Energy at 0K-492.438932
Energy at 298.15K-492.442564
HF Energy-492.348233
Nuclear repulsion energy91.924145
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/6-31G
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' 3434 3434 1.08 252.60 0.32 0.48
2 A' 3136 3136 28.57 123.37 0.45 0.62
3 A' 2533 2533 9.41 127.25 0.36 0.53
4 A' 1644 1644 143.79 4.07 0.23 0.37
5 A' 1389 1389 20.02 11.92 0.18 0.30
6 A' 1166 1166 67.77 19.49 0.75 0.86
7 A' 907 907 62.89 8.53 0.66 0.80
8 A' 655 655 92.17 10.03 0.29 0.45
9 A' 422 422 11.54 6.21 0.45 0.63
10 A" 1075 1075 2.67 0.25 0.75 0.86
11 A" 743 743 110.49 4.23 0.75 0.86
12 A" 370 370 58.60 3.96 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8737.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8737.8 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/6-31G
ABC
1.83472 0.19206 0.17386

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.254 1.070 0.000
C2 0.000 0.814 0.000
S3 -0.628 -0.905 0.000
H4 1.489 2.070 0.000
H5 -0.830 1.522 0.000
H6 0.618 -1.486 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.28002.72911.02682.13312.6341
C21.28001.83111.94731.09122.3819
S32.72911.83113.65172.43611.3751
H41.02681.94733.65172.38283.6608
H52.13311.09122.43612.38283.3388
H62.63412.38191.37513.66083.3388

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 121.605 N1 C2 H5 128.025
C2 N1 H4 114.722 C2 S3 H6 94.893
S3 C2 H5 110.370
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.453      
2 C -0.199      
3 S 0.108      
4 H 0.282      
5 H 0.177      
6 H 0.085      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.251 1.787 0.000 1.804
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.797 -1.334 0.001
y -1.334 -19.431 0.002
z 0.001 0.002 -27.911
Traceless
 xyz
x -5.125 -1.334 0.001
y -1.334 8.923 0.002
z 0.001 0.002 -3.797
Polar
3z2-r2-7.594
x2-y2-9.365
xy-1.334
xz0.001
yz0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.780 1.288 -0.000
y 1.288 6.498 -0.000
z -0.000 -0.000 2.156


<r2> (average value of r2) Å2
<r2> 70.395
(<r2>)1/2 8.390