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: wB97X-D/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 wB97X-D/aug-cc-pVTZ
 hartrees
Energy at 0K-492.850437
Energy at 298.15K-492.854152
HF Energy-492.850437
Nuclear repulsion energy94.372612
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 wB97X-D/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' 3522 3369 7.65 178.10 0.29 0.44
2 A' 3079 2945 22.12 114.10 0.36 0.53
3 A' 2713 2595 2.24 102.10 0.17 0.29
4 A' 1688 1615 195.52 29.84 0.21 0.35
5 A' 1390 1329 21.46 3.23 0.11 0.20
6 A' 1208 1156 27.82 11.16 0.39 0.56
7 A' 938 898 52.07 5.28 0.16 0.27
8 A' 716 685 75.98 5.90 0.05 0.10
9 A' 432 414 17.99 3.38 0.28 0.43
10 A" 1075 1028 2.21 0.22 0.75 0.86
11 A" 739 707 75.80 1.36 0.75 0.86
12 A" 388 372 30.32 0.23 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8944.0 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 8555.8 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 wB97X-D/aug-cc-pVTZ
ABC
1.95739 0.20249 0.18350

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.228 1.054 0.000
C2 0.000 0.769 0.000
S3 -0.609 -0.880 0.000
H4 1.367 2.060 0.000
H5 -0.816 1.494 0.000
H6 0.603 -1.458 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.26022.66691.01612.09052.5880
C21.26021.75771.88071.09202.3069
S32.66691.75773.54272.38341.3431
H41.01611.88073.54272.25543.6000
H52.09051.09202.38342.25543.2757
H62.58802.30691.34313.60003.2757

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 123.346 N1 C2 H5 125.284
C2 N1 H4 110.975 C2 S3 H6 95.206
S3 C2 H5 111.370
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.502      
2 C -0.051      
3 S -0.176      
4 H 0.107      
5 H 0.410      
6 H 0.212      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.842 1.091 0.000 1.378
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.034 -1.514 0.000
y -1.514 -19.758 0.000
z 0.000 0.000 -27.639
Traceless
 xyz
x -4.335 -1.514 0.000
y -1.514 8.078 0.000
z 0.000 0.000 -3.743
Polar
3z2-r2-7.486
x2-y2-8.276
xy-1.514
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.989 1.273 0.000
y 1.273 7.653 0.000
z 0.000 0.000 4.880


<r2> (average value of r2) Å2
<r2> 67.400
(<r2>)1/2 8.210