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 CH3NNCH3 ((E)-1,2-Dimethyldiazene)

using model chemistry: TPSSh/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at TPSSh/6-31G**
 hartrees
Energy at 0K-189.292071
Energy at 298.15K-189.299475
HF Energy-189.292071
Nuclear repulsion energy119.604530
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 TPSSh/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Ag 3129 3000 0.00      
2 Ag 3033 2908 0.00      
3 Ag 1658 1589 0.00      
4 Ag 1494 1433 0.00      
5 Ag 1419 1361 0.00      
6 Ag 1214 1164 0.00      
7 Ag 917 879 0.00      
8 Ag 583 559 0.00      
9 Au 3119 2990 36.63      
10 Au 1500 1438 10.72      
11 Au 1139 1092 0.91      
12 Au 287 275 6.88      
13 Au 170 163 3.01      
14 Bg 3119 2990 0.00      
15 Bg 1499 1437 0.00      
16 Bg 1033 991 0.00      
17 Bg 234 224 0.00      
18 Bu 3129 3000 44.37      
19 Bu 3031 2906 54.35      
20 Bu 1503 1441 20.71      
21 Bu 1422 1363 1.40      
22 Bu 1142 1095 0.62      
23 Bu 1011 969 8.68      
24 Bu 342 327 14.24      

Unscaled Zero Point Vibrational Energy (zpe) 18562.8 cm-1
Scaled (by 0.9587) Zero Point Vibrational Energy (zpe) 17796.2 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 TPSSh/6-31G**
ABC
1.37533 0.14795 0.14057

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.377 0.498 0.000
N2 -0.377 -0.498 0.000
C3 -0.377 1.759 0.000
C4 0.377 -1.759 0.000
H5 -1.460 1.595 0.000
H6 1.460 -1.595 0.000
H7 -0.072 2.331 0.882
H8 -0.072 2.331 -0.882
H9 0.072 -2.331 0.882
H10 0.072 -2.331 -0.882

Atom - Atom Distances (Å)
  N1 N2 C3 C4 H5 H6 H7 H8 H9 H10
N11.24881.46952.25642.13982.35622.08362.08362.97872.9787
N21.24882.25641.46952.35622.13982.97872.97872.08362.0836
C31.46952.25643.59761.09493.82401.09501.09504.20794.2079
C42.25641.46953.59763.82401.09494.20794.20791.09501.0950
H52.13982.35621.09493.82404.32451.80161.80164.30574.3057
H62.35622.13983.82401.09494.32454.30574.30571.80161.8016
H72.08362.97871.09504.20791.80164.30571.76464.66424.9868
H82.08362.97871.09504.20791.80164.30571.76464.98684.6642
H92.97872.08364.20791.09504.30571.80164.66424.98681.7646
H102.97872.08364.20791.09504.30571.80164.98684.66421.7646

picture of (E)-1,2-Dimethyldiazene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 N2 C4 111.957 N1 C3 H5 112.289
N1 C3 H7 107.782 N1 C3 H8 107.782
N2 N1 C3 111.957 N2 C4 H6 112.289
N2 C4 H9 107.782 N2 C4 H10 107.782
H5 C3 H7 110.712 H5 C3 H8 110.712
H6 C4 H9 110.712 H6 C4 H10 110.712
H7 C3 H8 107.369 H9 C4 H10 107.369
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.197      
2 N -0.197      
3 C -0.220      
4 C -0.220      
5 H 0.131      
6 H 0.131      
7 H 0.143      
8 H 0.143      
9 H 0.143      
10 H 0.143      


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


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.680 -0.225 0.000
y -0.225 8.260 0.000
z 0.000 0.000 4.096


<r2> (average value of r2) Å2
<r2> 93.381
(<r2>)1/2 9.663