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

using model chemistry: TPSSh/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 TPSSh/6-31G**
 hartrees
Energy at 0K-492.835757
Energy at 298.15K-492.839442
HF Energy-492.835757
Nuclear repulsion energy93.794884
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 TPSSh/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' 3444 3302 0.20 219.20 0.32 0.48
2 A' 3071 2944 35.32 117.13 0.42 0.59
3 A' 2710 2598 0.69 109.37 0.33 0.50
4 A' 1663 1594 158.69 13.70 0.23 0.37
5 A' 1391 1334 22.83 6.89 0.17 0.29
6 A' 1205 1155 31.41 16.11 0.70 0.82
7 A' 927 889 53.17 6.31 0.60 0.75
8 A' 704 675 73.02 5.95 0.27 0.42
9 A' 418 401 16.38 3.50 0.47 0.64
10 A" 1054 1011 2.73 0.43 0.75 0.86
11 A" 731 701 74.41 5.52 0.75 0.86
12 A" 402 386 41.43 1.25 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8860.3 cm-1
Scaled (by 0.9587) Zero Point Vibrational Energy (zpe) 8494.4 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 TPSSh/6-31G**
ABC
1.89978 0.20095 0.18173

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.246 1.043 0.000
C2 0.000 0.778 0.000
S3 -0.618 -0.880 0.000
H4 1.384 2.059 0.000
H5 -0.824 1.502 0.000
H6 0.601 -1.451 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.27372.67801.02492.11982.5765
C21.27371.76981.88561.09612.3093
S32.67801.76983.55592.39061.3458
H41.02491.88563.55592.27723.5963
H52.11981.09612.39062.27723.2786
H62.57652.30931.34583.59633.2786

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 122.420 N1 C2 H5 126.723
C2 N1 H4 109.757 C2 S3 H6 94.690
S3 C2 H5 110.857
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.481      
2 C -0.056      
3 S 0.029      
4 H 0.255      
5 H 0.150      
6 H 0.103      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.601 1.223 0.000 1.363
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.740 1.282 0.000
y 1.282 6.519 0.000
z 0.000 0.000 2.612


<r2> (average value of r2) Å2
<r2> 67.652
(<r2>)1/2 8.225