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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-492.520397
Energy at 298.15K-492.524044
HF Energy-492.520397
Nuclear repulsion energy93.366803
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 PBEPBEultrafine/6-31G*
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' 3349 3294 0.36 210.76 0.32 0.49
2 A' 2989 2940 36.85 119.07 0.44 0.61
3 A' 2613 2570 2.02 105.88 0.33 0.50
4 A' 1623 1597 154.65 11.60 0.22 0.36
5 A' 1353 1331 19.97 6.35 0.21 0.34
6 A' 1177 1158 31.91 16.67 0.69 0.81
7 A' 906 891 49.62 6.79 0.56 0.72
8 A' 691 679 71.48 7.05 0.30 0.47
9 A' 417 410 14.77 3.38 0.46 0.63
10 A" 1010 993 2.25 0.72 0.75 0.86
11 A" 710 698 74.79 5.49 0.75 0.86
12 A" 409 402 40.93 1.36 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8623.2 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 8480.9 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 PBEPBEultrafine/6-31G*
ABC
1.87758 0.19952 0.18035

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.253 1.047 0.000
C2 0.000 0.779 0.000
S3 -0.621 -0.882 0.000
H4 1.386 2.071 0.000
H5 -0.837 1.503 0.000
H6 0.615 -1.454 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.28082.68901.03312.13862.5810
C21.28081.77361.89471.10672.3164
S32.68901.77363.57062.39561.3615
H41.03311.89473.57062.29383.6087
H52.13861.10672.39562.29383.2947
H62.58102.31641.36153.60873.2947

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 122.548 N1 C2 H5 127.049
C2 N1 H4 109.473 C2 S3 H6 94.350
S3 C2 H5 110.403
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.493      
2 C -0.120      
3 S -0.003      
4 H 0.300      
5 H 0.177      
6 H 0.139      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.558 1.144 0.000 1.273
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.685 -1.446 0.000
y -1.446 -19.460 0.000
z 0.000 0.000 -27.380
Traceless
 xyz
x -4.265 -1.446 0.000
y -1.446 8.072 0.000
z 0.000 0.000 -3.807
Polar
3z2-r2-7.614
x2-y2-8.225
xy-1.446
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.817 1.332 0.000
y 1.332 6.675 0.000
z 0.000 0.000 2.589


<r2> (average value of r2) Å2
<r2> 68.095
(<r2>)1/2 8.252