return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B3PW91/daug-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 B3PW91/daug-cc-pVTZ
 hartrees
Energy at 0K-492.818031
Energy at 298.15K-492.821710
HF Energy-492.818031
Nuclear repulsion energy94.292063
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 B3PW91/daug-cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3488 3488 6.88 196.19 0.28 0.44
2 A' 3050 3050 24.11 123.33 0.37 0.53
3 A' 2682 2682 2.30 105.33 0.17 0.29
4 A' 1666 1666 193.68 26.54 0.21 0.35
5 A' 1374 1374 21.53 2.63 0.12 0.22
6 A' 1191 1191 28.20 11.88 0.36 0.53
7 A' 918 918 53.06 6.18 0.14 0.25
8 A' 707 707 73.27 6.75 0.07 0.14
9 A' 422 422 17.29 3.41 0.30 0.46
10 A" 1055 1055 1.90 0.32 0.75 0.86
11 A" 732 732 75.06 1.49 0.75 0.86
12 A" 391 391 28.49 0.14 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8837.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8837.5 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 B3PW91/daug-cc-pVTZ
ABC
1.95569 0.20217 0.18323

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/daug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.229 1.055 0.000
C2 0.000 0.767 0.000
S3 -0.610 -0.880 0.000
H4 1.367 2.064 0.000
H5 -0.822 1.489 0.000
H6 0.607 -1.458 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.26252.67001.01792.09682.5887
C21.26251.75691.88381.09412.3063
S32.67001.75693.54612.37901.3471
H41.01791.88383.54612.26313.6024
H52.09681.09412.37902.26313.2752
H62.58872.30631.34713.60243.2752

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 123.497 N1 C2 H5 125.535
C2 N1 H4 110.945 C2 S3 H6 95.060
S3 C2 H5 110.968
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.879      
2 C 0.002      
3 S -0.414      
4 H 0.224      
5 H 0.809      
6 H 0.260      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.849 1.014 0.000 1.322
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.006 -1.485 0.000
y -1.485 -19.905 0.000
z 0.000 0.000 -27.568
Traceless
 xyz
x -4.270 -1.485 0.000
y -1.485 7.883 0.000
z 0.000 0.000 -3.613
Polar
3z2-r2-7.225
x2-y2-8.102
xy-1.485
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.049 1.312 0.000
y 1.312 7.833 0.000
z 0.000 0.000 4.848


<r2> (average value of r2) Å2
<r2> 67.484
(<r2>)1/2 8.215