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

using model chemistry: mPW1PW91/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/STO-3G
 hartrees
Energy at 0K-487.210092
Energy at 298.15K-487.213740
HF Energy-487.210092
Nuclear repulsion energy93.096132
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 mPW1PW91/STO-3G
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' 3525 3098 8.19 93.06 0.28 0.43
2 A' 3376 2967 1.18 41.66 0.60 0.75
3 A' 3017 2651 9.56 58.43 0.28 0.44
4 A' 1755 1542 76.75 9.71 0.16 0.28
5 A' 1468 1290 27.43 5.12 0.09 0.17
6 A' 1338 1176 8.75 20.98 0.73 0.85
7 A' 1064 935 31.53 5.85 0.49 0.66
8 A' 847 745 41.57 4.59 0.28 0.44
9 A' 438 385 12.60 2.96 0.55 0.71
10 A" 1114 979 1.04 0.31 0.75 0.86
11 A" 746 655 42.06 3.53 0.75 0.86
12 A" 432 380 28.76 6.19 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9559.2 cm-1
Scaled (by 0.8789) Zero Point Vibrational Energy (zpe) 8401.6 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 mPW1PW91/STO-3G
ABC
1.81442 0.20053 0.18058

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.289 1.007 0.000
C2 0.000 0.774 0.000
S3 -0.638 -0.866 0.000
H4 1.393 2.073 0.000
H5 -0.798 1.539 0.000
H6 0.591 -1.444 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.31022.68801.07022.15372.5485
C21.31021.75981.90481.10582.2946
S32.68801.75983.57272.41101.3579
H41.07021.90483.57272.25503.6065
H52.15371.10582.41102.25503.2903
H62.54852.29461.35793.60653.2903

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 121.542 N1 C2 H5 125.896
C2 N1 H4 105.863 C2 S3 H6 93.893
S3 C2 H5 112.561
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.309      
2 C -0.091      
3 S 0.145      
4 H 0.153      
5 H 0.080      
6 H 0.022      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.991 0.557 0.000 1.137
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.758 -1.197 0.000
y -1.197 -18.401 0.000
z 0.000 0.000 -23.438
Traceless
 xyz
x -4.838 -1.197 0.000
y -1.197 6.197 0.000
z 0.000 0.000 -1.359
Polar
3z2-r2-2.718
x2-y2-7.357
xy-1.197
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.133 0.883 0.000
y 0.883 3.904 0.000
z 0.000 0.000 0.550


<r2> (average value of r2) Å2
<r2> 66.603
(<r2>)1/2 8.161