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 ((Z)-1,2-Dimethyldiazene)

using model chemistry: PBE1PBE/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBE1PBE/6-31G**
 hartrees
Energy at 0K-189.031895
Energy at 298.15K-189.039294
HF Energy-189.031895
Nuclear repulsion energy122.622321
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 PBE1PBE/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3194 3044 0.93      
2 A1 3051 2908 12.88      
3 A1 1717 1637 14.11      
4 A1 1500 1430 0.79      
5 A1 1426 1359 21.32      
6 A1 1111 1059 4.67      
7 A1 910 867 0.25      
8 A1 378 361 0.58      
9 A2 3129 2982 0.00      
10 A2 1507 1436 0.00      
11 A2 1102 1051 0.00      
12 A2 485 462 0.00      
13 A2 55 53 0.00      
14 B1 3121 2975 30.50      
15 B1 1534 1462 25.69      
16 B1 951 907 1.01      
17 B1 201 191 0.01      
18 B2 3193 3044 30.57      
19 B2 3053 2910 1.89      
20 B2 1486 1416 12.99      
21 B2 1406 1340 2.22      
22 B2 1190 1134 13.04      
23 B2 986 939 15.12      
24 B2 638 608 0.60      

Unscaled Zero Point Vibrational Energy (zpe) 18661.9 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 17786.7 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 PBE1PBE/6-31G**
ABC
0.54954 0.22689 0.17093

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.619 -0.778
N2 0.000 -0.619 -0.778
C3 0.000 1.349 0.497
C4 0.000 -1.349 0.497
H5 0.000 2.416 0.270
H6 0.000 -2.416 0.270
H7 -0.888 1.110 1.097
H8 0.888 1.110 1.097
H9 0.888 -1.110 1.097
H10 -0.888 -1.110 1.097

Atom - Atom Distances (Å)
  N1 N2 C3 C4 H5 H6 H7 H8 H9 H10
N11.23801.46982.34522.08053.21092.13262.13262.70102.7010
N21.23802.34521.46983.21092.08052.70102.70102.13262.1326
C31.46982.34522.69771.09083.77141.09801.09802.68182.6818
C42.34521.46982.69773.77141.09082.68182.68181.09801.0980
H52.08053.21091.09083.77144.83151.78281.78283.72833.7283
H63.21092.08053.77141.09084.83153.72833.72831.78281.7828
H72.13262.70101.09802.68181.78283.72831.77562.84212.2192
H82.13262.70101.09802.68181.78283.72831.77562.21922.8421
H92.70102.13262.68181.09803.72831.78282.84212.21921.7756
H102.70102.13262.68181.09803.72831.78282.21922.84211.7756

picture of (Z)-1,2-Dimethyldiazene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 N2 C4 119.772 N1 C3 H5 107.759
N1 C3 H7 111.482 N1 C3 H8 111.482
N2 N1 C3 119.772 N2 C4 H6 107.759
N2 C4 H9 111.482 N2 C4 H10 111.482
H5 C3 H7 109.080 H5 C3 H8 109.080
H6 C4 H9 109.080 H6 C4 H10 109.080
H7 C3 H8 107.914 H9 C4 H10 107.914
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.156      
2 N -0.156      
3 C -0.434      
4 C -0.434      
5 H 0.208      
6 H 0.208      
7 H 0.191      
8 H 0.191      
9 H 0.191      
10 H 0.191      


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 3.249 3.249
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.339 0.000 0.000
y 0.000 -23.235 0.000
z 0.000 0.000 -28.598
Traceless
 xyz
x 1.577 0.000 0.000
y 0.000 3.234 0.000
z 0.000 0.000 -4.811
Polar
3z2-r2-9.622
x2-y2-1.104
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.930 0.000 0.000
y 0.000 6.889 0.000
z 0.000 0.000 4.676


<r2> (average value of r2) Å2
<r2> 79.221
(<r2>)1/2 8.901