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: B1B95/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at B1B95/6-31G**
 hartrees
Energy at 0K-189.176982
Energy at 298.15K-189.184434
HF Energy-189.176982
Nuclear repulsion energy120.434794
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 B1B95/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3168 3025 0.00      
2 Ag 3069 2930 0.00      
3 Ag 1731 1653 0.00      
4 Ag 1500 1432 0.00      
5 Ag 1432 1367 0.00      
6 Ag 1235 1180 0.00      
7 Ag 948 905 0.00      
8 Ag 602 575 0.00      
9 Au 3157 3014 26.44      
10 Au 1501 1434 14.16      
11 Au 1148 1096 0.36      
12 Au 293 280 6.93      
13 Au 166 159 3.09      
14 Bg 3157 3014 0.00      
15 Bg 1500 1433 0.00      
16 Bg 1047 1000 0.00      
17 Bg 233 222 0.00      
18 Bu 3167 3024 33.68      
19 Bu 3068 2929 44.47      
20 Bu 1507 1439 24.67      
21 Bu 1433 1368 1.68      
22 Bu 1154 1102 0.37      
23 Bu 1057 1010 8.99      
24 Bu 352 336 14.66      

Unscaled Zero Point Vibrational Energy (zpe) 18812.8 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 17962.4 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 B1B95/6-31G**
ABC
1.39831 0.14996 0.14258

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.372 0.494 0.000
N2 -0.372 -0.494 0.000
C3 -0.372 1.746 0.000
C4 0.372 -1.746 0.000
H5 -1.453 1.587 0.000
H6 1.453 -1.587 0.000
H7 -0.068 2.319 0.880
H8 -0.068 2.319 -0.880
H9 0.068 -2.319 0.880
H10 0.068 -2.319 -0.880

Atom - Atom Distances (Å)
  N1 N2 C3 C4 H5 H6 H7 H8 H9 H10
N11.23711.45562.24052.12672.34552.07292.07292.96372.9637
N21.23712.24051.45562.34552.12672.96372.96372.07292.0729
C31.45562.24053.57031.09323.79961.09321.09324.18254.1825
C42.24051.45563.57033.79961.09324.18254.18251.09321.0932
H52.12672.34551.09323.79964.30321.79711.79714.28304.2830
H62.34552.12673.79961.09324.30324.28304.28301.79711.7971
H72.07292.96371.09324.18251.79714.28301.75994.64044.9629
H82.07292.96371.09324.18251.79714.28301.75994.96294.6404
H92.96372.07294.18251.09324.28301.79714.64044.96291.7599
H102.96372.07294.18251.09324.28301.79714.96294.64041.7599

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 112.373 N1 C3 H5 112.325
N1 C3 H7 107.996 N1 C3 H8 107.996
N2 N1 C3 112.373 N2 C4 H6 112.325
N2 C4 H9 107.996 N2 C4 H10 107.996
H5 C3 H7 110.562 H5 C3 H8 110.562
H6 C4 H9 110.562 H6 C4 H10 110.562
H7 C3 H8 107.212 H9 C4 H10 107.212
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.184      
2 N -0.184      
3 C -0.356      
4 C -0.356      
5 H 0.174      
6 H 0.174      
7 H 0.183      
8 H 0.183      
9 H 0.183      
10 H 0.183      


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 -27.175 -1.533 0.000
y -1.533 -19.930 0.000
z 0.000 0.000 -24.190
Traceless
 xyz
x -5.115 -1.533 0.000
y -1.533 5.752 0.000
z 0.000 0.000 -0.637
Polar
3z2-r2-1.274
x2-y2-7.245
xy-1.533
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.522 -0.154 0.000
y -0.154 7.938 0.000
z 0.000 0.000 3.987


<r2> (average value of r2) Å2
<r2> 92.330
(<r2>)1/2 9.609