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

using model chemistry: mPW1PW91/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-492.881232
Energy at 298.15K-492.884936
HF Energy-492.881232
Nuclear repulsion energy94.463819
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/aug-cc-pVTZ
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' 3515 3368 7.93 190.29 0.29 0.44
2 A' 3072 2944 22.60 119.93 0.36 0.53
3 A' 2704 2591 2.75 103.33 0.17 0.29
4 A' 1683 1612 194.67 27.67 0.21 0.35
5 A' 1383 1325 22.12 2.66 0.11 0.20
6 A' 1198 1148 27.54 11.67 0.38 0.55
7 A' 925 886 53.76 5.79 0.14 0.25
8 A' 716 686 72.60 6.24 0.07 0.13
9 A' 425 407 18.07 3.35 0.29 0.46
10 A" 1064 1020 1.95 0.28 0.75 0.86
11 A" 737 706 75.58 1.48 0.75 0.86
12 A" 391 375 29.14 0.15 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8905.6 cm-1
Scaled (by 0.9581) Zero Point Vibrational Energy (zpe) 8532.4 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 mPW1PW91/aug-cc-pVTZ
ABC
1.96019 0.20300 0.18395

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.228 1.052 0.000
C2 0.000 0.766 0.000
S3 -0.609 -0.878 0.000
H4 1.366 2.058 0.000
H5 -0.819 1.489 0.000
H6 0.607 -1.454 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.26042.66451.01612.09292.5815
C21.26041.75371.88061.09252.3013
S32.66451.75373.53932.37671.3450
H41.01611.88063.53932.25833.5935
H52.09291.09252.37672.25833.2700
H62.58152.30131.34503.59353.2700

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 123.432 N1 C2 H5 125.464
C2 N1 H4 110.948 C2 S3 H6 95.006
S3 C2 H5 111.104
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.508      
2 C 0.038      
3 S -0.160      
4 H 0.095      
5 H 0.364      
6 H 0.171      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.846 1.029 0.000 1.332
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.013 -1.497 0.000
y -1.497 -19.887 0.000
z 0.000 0.000 -27.619
Traceless
 xyz
x -4.260 -1.497 0.000
y -1.497 7.929 0.000
z 0.000 0.000 -3.669
Polar
3z2-r2-7.337
x2-y2-8.126
xy-1.497
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.976 1.304 0.000
y 1.304 7.725 0.000
z 0.000 0.000 4.803


<r2> (average value of r2) Å2
<r2> 67.293
(<r2>)1/2 8.203