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: B3LYP/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at B3LYP/6-31G(2df,p)
 hartrees
Energy at 0K-189.287830
Energy at 298.15K-189.295239
HF Energy-189.287830
Nuclear repulsion energy119.908996
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 B3LYP/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3115 3006 0.00      
2 Ag 3022 2916 0.00      
3 Ag 1674 1615 0.00      
4 Ag 1469 1418 0.00      
5 Ag 1408 1358 0.00      
6 Ag 1212 1170 0.00      
7 Ag 922 889 0.00      
8 Ag 595 574 0.00      
9 Au 3098 2990 26.55      
10 Au 1474 1422 11.00      
11 Au 1138 1098 0.76      
12 Au 290 280 6.24      
13 Au 163 157 2.30      
14 Bg 3098 2990 0.00      
15 Bg 1473 1421 0.00      
16 Bg 1038 1001 0.00      
17 Bg 226 219 0.00      
18 Bu 3114 3005 35.56      
19 Bu 3021 2915 46.49      
20 Bu 1476 1424 21.60      
21 Bu 1410 1360 1.33      
22 Bu 1137 1098 0.81      
23 Bu 1019 983 8.83      
24 Bu 349 337 14.92      

Unscaled Zero Point Vibrational Energy (zpe) 18469.4 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 17823.0 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 B3LYP/6-31G(2df,p)
ABC
1.39721 0.14815 0.14096

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.371 0.496 0.000
N2 -0.371 -0.496 0.000
C3 -0.371 1.758 0.000
C4 0.371 -1.758 0.000
H5 -1.455 1.603 0.000
H6 1.455 -1.603 0.000
H7 -0.065 2.332 0.881
H8 -0.065 2.332 -0.881
H9 0.065 -2.332 0.881
H10 0.065 -2.332 -0.881

Atom - Atom Distances (Å)
  N1 N2 C3 C4 H5 H6 H7 H8 H9 H10
N11.23901.46432.25342.13632.36242.08292.08292.97772.9777
N21.23902.25341.46432.36242.13632.97772.97772.08292.0829
C31.46432.25343.59291.09483.82531.09541.09544.20624.2062
C42.25341.46433.59293.82531.09484.20624.20621.09541.0954
H52.13632.36241.09483.82534.33061.80011.80014.30984.3098
H62.36242.13633.82531.09484.33064.30984.30981.80011.8001
H72.08292.97771.09544.20621.80014.30981.76184.66594.9875
H82.08292.97771.09544.20621.80014.30981.76184.98754.6659
H92.97772.08294.20621.09544.30981.80014.66594.98751.7618
H102.97772.08294.20621.09544.30981.80014.98754.66591.7618

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 112.671 N1 C3 H5 112.382
N1 C3 H7 108.054 N1 C3 H8 108.054
N2 N1 C3 112.671 N2 C4 H6 112.382
N2 C4 H9 108.054 N2 C4 H10 108.054
H5 C3 H7 110.549 H5 C3 H8 110.549
H6 C4 H9 110.549 H6 C4 H10 110.549
H7 C3 H8 107.060 H9 C4 H10 107.060
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.104      
2 N -0.104      
3 C -0.287      
4 C -0.287      
5 H 0.122      
6 H 0.122      
7 H 0.135      
8 H 0.135      
9 H 0.135      
10 H 0.135      


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
Primitive
 xyz
x -27.139 -1.406 0.000
y -1.406 -20.261 0.000
z 0.000 0.000 -24.218
Traceless
 xyz
x -4.900 -1.406 0.000
y -1.406 5.417 0.000
z 0.000 0.000 -0.517
Polar
3z2-r2-1.035
x2-y2-6.878
xy-1.406
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.777 -0.269 0.000
y -0.269 8.337 0.000
z 0.000 0.000 4.263


<r2> (average value of r2) Å2
<r2> 93.263
(<r2>)1/2 9.657