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: HF/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/6-311+G(3df,2p)
 hartrees
Energy at 0K-491.619645
Energy at 298.15K-491.623449
HF Energy-491.619645
Nuclear repulsion energy94.939659
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 HF/6-311+G(3df,2p)
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' 3733 3392 13.94 166.81 0.31 0.47
2 A' 3223 2929 22.28 92.85 0.38 0.55
3 A' 2865 2603 2.24 95.82 0.21 0.35
4 A' 1828 1661 212.78 40.32 0.22 0.37
5 A' 1510 1372 33.61 4.28 0.06 0.12
6 A' 1298 1179 24.35 9.77 0.49 0.66
7 A' 1018 925 59.28 3.73 0.21 0.35
8 A' 760 691 72.14 4.98 0.03 0.07
9 A' 455 414 21.83 3.66 0.31 0.47
10 A" 1190 1081 4.30 0.34 0.75 0.86
11 A" 800 727 79.42 1.46 0.75 0.86
12 A" 378 344 35.08 0.34 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9528.9 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 8657.9 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 HF/6-311+G(3df,2p)
ABC
2.00846 0.20374 0.18498

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.208 1.064 0.000
C2 0.000 0.768 0.000
S3 -0.599 -0.883 0.000
H4 1.345 2.056 0.000
H5 -0.809 1.487 0.000
H6 0.589 -1.473 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.24362.65551.00202.06052.6113
C21.24361.75551.86291.08242.3171
S32.65551.75553.52372.37911.3267
H41.00201.86293.52372.22783.6097
H52.06051.08242.37912.22783.2739
H62.61132.31711.32673.60973.2739

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 123.715 N1 C2 H5 124.564
C2 N1 H4 111.657 C2 S3 H6 96.497
S3 C2 H5 111.721
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.874      
2 C 0.635      
3 S -0.226      
4 H 0.163      
5 H 0.146      
6 H 0.156      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.892 1.204 0.000 1.498
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.474 -1.838 0.000
y -1.838 -19.812 0.000
z 0.000 0.000 -28.110
Traceless
 xyz
x -4.513 -1.838 0.000
y -1.838 8.480 0.000
z 0.000 0.000 -3.967
Polar
3z2-r2-7.935
x2-y2-8.662
xy-1.838
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.467 1.203 0.000
y 1.203 6.917 0.000
z 0.000 0.000 4.494


<r2> (average value of r2) Å2
<r2> 67.194
(<r2>)1/2 8.197