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

using model chemistry: mPW1PW91/6-311+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 mPW1PW91/6-311+G(3df,2p)
 hartrees
Energy at 0K-492.875451
Energy at 298.15K-492.879162
HF Energy-492.875451
Nuclear repulsion energy94.634766
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 mPW1PW91/6-311+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' 3524 3524 8.08 180.02 0.30 0.47
2 A' 3068 3068 22.69 114.46 0.37 0.54
3 A' 2708 2708 3.09 96.70 0.18 0.31
4 A' 1684 1684 191.01 27.46 0.22 0.36
5 A' 1384 1384 21.04 2.73 0.08 0.14
6 A' 1195 1195 26.60 10.94 0.45 0.62
7 A' 931 931 55.52 4.91 0.15 0.27
8 A' 720 720 70.62 5.36 0.07 0.14
9 A' 426 426 18.85 3.43 0.31 0.47
10 A" 1066 1066 2.06 0.24 0.75 0.86
11 A" 737 737 77.12 1.45 0.75 0.86
12 A" 396 396 28.97 0.20 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8919.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8919.8 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 mPW1PW91/6-311+G(3df,2p)
ABC
1.96690 0.20383 0.18469

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.228 1.049 0.000
C2 0.000 0.762 0.000
S3 -0.609 -0.875 0.000
H4 1.366 2.056 0.000
H5 -0.818 1.487 0.000
H6 0.603 -1.453 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.26062.65991.01632.09232.5782
C21.26061.74711.88131.09302.2955
S32.65991.74713.53432.37131.3423
H41.01631.88133.53432.25743.5903
H52.09231.09302.37132.25743.2649
H62.57822.29551.34233.59033.2649

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 123.535 N1 C2 H5 125.346
C2 N1 H4 110.976 C2 S3 H6 95.074
S3 C2 H5 111.118
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.757      
2 C 0.486      
3 S -0.197      
4 H 0.163      
5 H 0.133      
6 H 0.172      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.884 1.002 0.000 1.336
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.057 -1.495 0.000
y -1.495 -19.825 0.000
z 0.000 0.000 -27.669
Traceless
 xyz
x -4.310 -1.495 0.000
y -1.495 8.038 0.000
z 0.000 0.000 -3.728
Polar
3z2-r2-7.456
x2-y2-8.232
xy-1.495
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.812 1.329 0.000
y 1.329 7.520 0.000
z 0.000 0.000 4.616


<r2> (average value of r2) Å2
<r2> 67.103
(<r2>)1/2 8.192