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

using model chemistry: mPW1PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-492.815637
Energy at 298.15K-492.819351
HF Energy-492.815637
Nuclear repulsion energy94.229320
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 mPW1PW91/6-31+G**
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' 3536 3366 6.00 178.35 0.33 0.50
2 A' 3102 2953 25.82 125.58 0.40 0.58
3 A' 2733 2602 0.33 107.64 0.26 0.42
4 A' 1693 1611 203.64 23.97 0.21 0.35
5 A' 1394 1326 17.70 3.93 0.10 0.17
6 A' 1200 1142 23.61 13.84 0.61 0.75
7 A' 938 893 59.33 5.66 0.38 0.55
8 A' 728 693 79.17 4.60 0.13 0.23
9 A' 431 410 20.40 4.25 0.38 0.55
10 A" 1061 1010 1.92 0.62 0.75 0.86
11 A" 740 704 95.41 1.77 0.75 0.86
12 A" 398 379 41.26 0.20 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8977.2 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 8544.5 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 mPW1PW91/6-31+G**
ABC
1.93465 0.20245 0.18327

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.238 1.045 0.000
C2 0.000 0.769 0.000
S3 -0.615 -0.877 0.000
H4 1.381 2.053 0.000
H5 -0.816 1.499 0.000
H6 0.602 -1.449 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.26832.66891.01902.10382.5733
C21.26831.75661.88631.09522.2981
S32.66891.75663.54532.38441.3447
H41.01901.88633.54532.26623.5880
H52.10381.09522.38442.26623.2716
H62.57332.29811.34473.58803.2716

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 123.038 N1 C2 H5 125.618
C2 N1 H4 110.643 C2 S3 H6 94.707
S3 C2 H5 111.344
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.379      
2 C -0.243      
3 S 0.061      
4 H 0.272      
5 H 0.180      
6 H 0.108      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.800 1.228 0.000 1.465
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.575 -1.595 0.000
y -1.595 -19.443 0.000
z 0.000 0.000 -27.905
Traceless
 xyz
x -4.901 -1.595 0.000
y -1.595 8.797 0.000
z 0.000 0.000 -3.896
Polar
3z2-r2-7.791
x2-y2-9.132
xy-1.595
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.389 1.328 0.000
y 1.328 6.857 0.000
z 0.000 0.000 3.849


<r2> (average value of r2) Å2
<r2> 67.560
(<r2>)1/2 8.220