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 C2H6N2O2 ((E)-Azodioxymethane)

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at BLYP/6-31+G**
 hartrees
Energy at 0K-339.580168
Energy at 298.15K-339.588827
Nuclear repulsion energy254.817182
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 BLYP/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 Ag 3132 3116 0.00      
2 Ag 2996 2980 0.00      
3 Ag 1477 1469 0.00      
4 Ag 1406 1398 0.00      
5 Ag 1375 1368 0.00      
6 Ag 1287 1280 0.00      
7 Ag 1062 1057 0.00      
8 Ag 731 727 0.00      
9 Ag 582 579 0.00      
10 Ag 386 384 0.00      
11 Au 3066 3050 10.63      
12 Au 1430 1423 25.08      
13 Au 1092 1086 0.00      
14 Au 298 297 3.80      
15 Au 171 170 11.67      
16 Au 96 96 4.69      
17 Bg 3066 3050 0.00      
18 Bg 1428 1420 0.00      
19 Bg 1063 1058 0.00      
20 Bg 437 434 0.00      
21 Bg 135 135 0.00      
22 Bu 3133 3116 0.49      
23 Bu 2996 2981 13.90      
24 Bu 1444 1436 2.71      
25 Bu 1389 1381 14.13      
26 Bu 1284 1277 310.10      
27 Bu 1103 1097 68.05      
28 Bu 902 897 25.99      
29 Bu 520 517 30.28      
30 Bu 279 277 22.79      

Unscaled Zero Point Vibrational Energy (zpe) 19882.6 cm-1
Scaled (by 0.9947) Zero Point Vibrational Energy (zpe) 19777.2 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 BLYP/6-31+G**
ABC
0.16933 0.12642 0.07444

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.670 0.000
N2 0.000 -0.670 0.000
O3 -1.097 1.344 0.000
O4 1.097 -1.344 0.000
C5 1.338 1.321 0.000
C6 -1.338 -1.321 0.000
H7 1.138 2.397 0.000
H8 1.897 1.006 0.893
H9 1.897 1.006 -0.893
H10 -1.138 -2.397 0.000
H11 -1.897 -1.006 0.893
H12 -1.897 -1.006 -0.893

Atom - Atom Distances (Å)
  N1 N2 O3 O4 C5 C6 H7 H8 H9 H10 H11 H12
N11.33951.28802.29321.48782.39852.06782.12352.12353.27052.68402.6840
N21.33952.29321.28802.39851.48783.27052.68402.68402.06782.12352.1235
O31.28802.29323.47012.43522.67582.47053.14313.14313.74062.63782.6378
O42.29321.28803.47012.67582.43523.74062.63782.63782.47053.14313.1431
C51.48782.39852.43522.67583.76021.09381.09961.09964.46634.08374.0837
C62.39851.48782.67582.43523.76024.46634.08374.08371.09381.09961.0996
H72.06783.27052.47053.74061.09384.46631.81861.81865.30564.64584.6458
H82.12352.68403.14312.63781.09964.08371.81861.78524.64584.29484.6510
H92.12352.68403.14312.63781.09964.08371.81861.78524.64584.65104.2948
H103.27052.06783.74062.47054.46631.09385.30564.64584.64581.81861.8186
H112.68402.12352.63783.14314.08371.09964.64584.29484.65101.81861.7852
H122.68402.12352.63783.14314.08371.09964.64584.65104.29481.81861.7852

picture of (E)-Azodioxymethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 N2 O4 121.561 N1 N2 C6 115.966
N1 C5 H7 105.423 N1 C5 H8 109.389
N1 C5 H9 109.389 N2 N1 O3 121.561
N2 N1 C5 115.966 N2 C6 H10 105.423
N2 C6 H11 109.389 N2 C6 H12 109.389
O3 N1 C5 122.473 O4 N2 C6 122.473
H7 C5 H8 112.019 H7 C5 H9 112.019
H8 C5 H9 108.531 H10 C6 H11 112.019
H10 C6 H12 112.019 H11 C6 H12 108.531
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.056      
2 N -0.056      
3 O -0.178      
4 O -0.178      
5 C -0.317      
6 C -0.317      
7 H 0.183      
8 H 0.184      
9 H 0.184      
10 H 0.183      
11 H 0.184      
12 H 0.184      


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 -36.437 10.698 0.000
y 10.698 -38.307 0.000
z 0.000 0.000 -35.467
Traceless
 xyz
x 0.451 10.698 0.000
y 10.698 -2.355 0.000
z 0.000 0.000 1.904
Polar
3z2-r23.809
x2-y21.870
xy10.698
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 155.515
(<r2>)1/2 12.471