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: B2PLYP/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 B2PLYP/daug-cc-pVTZ
 hartrees
Energy at 0K-492.686586
Energy at 298.15K-492.690267
HF Energy-492.502649
Nuclear repulsion energy94.128227
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 B2PLYP/daug-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' 3485 3485 6.42 198.47 0.28 0.44
2 A' 3077 3077 22.81 122.02 0.36 0.53
3 A' 2701 2701 2.59 105.71 0.16 0.28
4 A' 1634 1634 174.81 26.82 0.20 0.33
5 A' 1380 1380 22.00 3.94 0.12 0.21
6 A' 1201 1201 27.61 13.18 0.34 0.51
7 A' 929 929 53.87 5.86 0.14 0.25
8 A' 708 708 72.89 6.48 0.06 0.12
9 A' 425 425 17.29 3.42 0.30 0.46
10 A" 1057 1057 1.96 0.32 0.75 0.86
11 A" 733 733 74.93 1.37 0.75 0.86
12 A" 385 385 27.58 0.15 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8857.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8857.7 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 B2PLYP/daug-cc-pVTZ
ABC
1.94312 0.20151 0.18257

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/daug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.237 1.052 0.000
C2 0.000 0.770 0.000
S3 -0.614 -0.880 0.000
H4 1.377 2.059 0.000
H5 -0.814 1.496 0.000
H6 0.601 -1.454 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.26832.67491.01762.09802.5851
C21.26831.76051.88621.09072.3038
S32.67491.76053.55002.38481.3434
H41.01761.88623.55002.26163.5982
H52.09801.09072.38482.26163.2720
H62.58512.30381.34343.59823.2720

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 123.230 N1 C2 H5 125.422
C2 N1 H4 110.732 C2 S3 H6 94.893
S3 C2 H5 111.349
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.789      
2 C -0.380      
3 S -0.197      
4 H 0.257      
5 H 0.890      
6 H 0.218      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.873 1.042 0.000 1.360
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.408 -1.445 0.002
y -1.445 -20.244 0.004
z 0.002 0.004 -27.933
Traceless
 xyz
x -4.320 -1.445 0.002
y -1.445 7.927 0.004
z 0.002 0.004 -3.607
Polar
3z2-r2-7.213
x2-y2-8.164
xy-1.445
xz0.002
yz0.004


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.101 1.314 -0.001
y 1.314 7.843 -0.003
z -0.001 -0.003 4.919


<r2> (average value of r2) Å2
<r2> 67.880
(<r2>)1/2 8.239