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

using model chemistry: PBEPBE/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/6-311+G(3df,2p)
 hartrees
Energy at 0K-492.597234
Energy at 298.15K-492.600877
HF Energy-492.597234
Nuclear repulsion energy93.860950
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 PBEPBE/6-311+G(3df,2p)
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' 3387 3360 3.91 205.93 0.31 0.48
2 A' 2961 2937 28.04 137.37 0.38 0.55
3 A' 2596 2574 2.15 102.80 0.18 0.30
4 A' 1599 1586 182.18 22.35 0.21 0.35
5 A' 1323 1312 17.51 1.76 0.11 0.20
6 A' 1151 1141 27.68 12.96 0.41 0.58
7 A' 891 884 53.57 6.33 0.13 0.24
8 A' 687 681 67.72 7.41 0.12 0.22
9 A' 411 407 16.51 3.81 0.31 0.47
10 A" 1004 996 1.43 0.57 0.75 0.86
11 A" 706 700 76.15 1.81 0.75 0.86
12 A" 399 396 26.01 0.24 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8557.4 cm-1
Scaled (by 0.9918) Zero Point Vibrational Energy (zpe) 8487.3 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 PBEPBE/6-311+G(3df,2p)
ABC
1.92753 0.20084 0.18188

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.242 1.053 0.000
C2 0.000 0.767 0.000
S3 -0.616 -0.880 0.000
H4 1.378 2.072 0.000
H5 -0.831 1.492 0.000
H6 0.611 -1.457 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.27472.68131.02752.11872.5887
C21.27471.75821.89781.10282.3068
S32.68131.75823.56202.38191.3563
H41.02751.89783.56202.28333.6114
H52.11871.10282.38192.28333.2833
H62.58872.30681.35633.61143.2833

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 123.486 N1 C2 H5 125.883
C2 N1 H4 110.585 C2 S3 H6 94.695
S3 C2 H5 110.631
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.707      
2 C 0.437      
3 S -0.201      
4 H 0.166      
5 H 0.132      
6 H 0.173      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.885 0.919 0.000 1.276
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.289 -1.380 0.000
y -1.380 -20.192 0.000
z 0.000 0.000 -27.880
Traceless
 xyz
x -4.253 -1.380 0.000
y -1.380 7.892 0.000
z 0.000 0.000 -3.639
Polar
3z2-r2-7.279
x2-y2-8.097
xy-1.380
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.178 1.423 0.000
y 1.423 8.018 0.000
z 0.000 0.000 4.801


<r2> (average value of r2) Å2
<r2> 68.054
(<r2>)1/2 8.249