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/6-311G*

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/6-311G*
 hartrees
Energy at 0K-492.611917
Energy at 298.15K-492.615632
HF Energy-492.466846
Nuclear repulsion energy93.982100
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/6-311G*
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' 3493 3493 0.20 207.68 0.34 0.50
2 A' 3082 3082 38.10 124.43 0.41 0.58
3 A' 2658 2658 0.06 114.90 0.33 0.50
4 A' 1654 1654 152.24 11.52 0.25 0.40
5 A' 1412 1412 27.69 7.17 0.12 0.21
6 A' 1228 1228 29.37 14.34 0.59 0.75
7 A' 953 953 55.12 4.90 0.54 0.70
8 A' 713 713 79.17 4.65 0.23 0.37
9 A' 436 436 17.78 3.25 0.48 0.65
10 A" 1066 1066 3.90 0.47 0.75 0.86
11 A" 742 742 87.29 3.26 0.75 0.86
12 A" 394 394 47.21 4.48 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8915.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8915.0 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/6-311G*
ABC
1.91577 0.20152 0.18234

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.241 1.044 0.000
C2 0.000 0.776 0.000
S3 -0.616 -0.880 0.000
H4 1.385 2.053 0.000
H5 -0.816 1.505 0.000
H6 0.608 -1.443 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.26922.67391.01892.10752.5666
C21.26921.76681.88391.09412.3010
S32.67391.76683.55052.39311.3476
H41.01891.88393.55052.26843.5813
H52.10751.09412.39312.26843.2739
H62.56662.30101.34763.58133.2739

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 122.612 N1 C2 H5 126.030
C2 N1 H4 110.368 C2 S3 H6 94.298
S3 C2 H5 111.359
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.465      
2 C -0.160      
3 S -0.050      
4 H 0.289      
5 H 0.219      
6 H 0.168      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.592 1.294 0.000 1.424
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.374 -1.430 0.000
y -1.430 -19.667 0.000
z 0.000 0.000 -28.138
Traceless
 xyz
x -4.472 -1.430 0.000
y -1.430 8.589 0.000
z 0.000 0.000 -4.117
Polar
3z2-r2-8.235
x2-y2-8.707
xy-1.430
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.950 1.282 -0.000
y 1.282 6.626 -0.001
z -0.000 -0.001 2.600


<r2> (average value of r2) Å2
<r2> 67.856
(<r2>)1/2 8.237