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: B1B95/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B1B95/3-21G*
 hartrees
Energy at 0K-337.596613
Energy at 298.15K-337.605617
Nuclear repulsion energy255.690507
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 B1B95/3-21G*
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 3244 3097 0.00      
2 Ag 3099 2959 0.00      
3 Ag 1552 1482 0.00      
4 Ag 1463 1397 0.00      
5 Ag 1384 1321 0.00      
6 Ag 1327 1267 0.00      
7 Ag 1075 1026 0.00      
8 Ag 735 702 0.00      
9 Ag 608 580 0.00      
10 Ag 383 366 0.00      
11 Au 3171 3028 3.90      
12 Au 1526 1457 33.31      
13 Au 1154 1102 0.71      
14 Au 291 278 2.10      
15 Au 215 205 11.22      
16 Au 158 151 6.38      
17 Bg 3170 3027 0.00      
18 Bg 1522 1454 0.00      
19 Bg 1124 1074 0.00      
20 Bg 484 462 0.00      
21 Bg 197 188 0.00      
22 Bu 3244 3098 0.76      
23 Bu 3099 2959 5.55      
24 Bu 1535 1466 17.45      
25 Bu 1452 1387 19.92      
26 Bu 1269 1212 97.99      
27 Bu 1139 1087 44.09      
28 Bu 920 879 44.31      
29 Bu 476 455 31.75      
30 Bu 304 291 28.96      

Unscaled Zero Point Vibrational Energy (zpe) 20658.6 cm-1
Scaled (by 0.9549) Zero Point Vibrational Energy (zpe) 19726.9 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 B1B95/3-21G*
ABC
0.16217 0.13427 0.07553

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.055 0.660 0.000
N2 0.055 -0.660 0.000
O3 -1.239 1.238 0.000
O4 1.239 -1.238 0.000
C5 1.239 1.360 0.000
C6 -1.239 -1.360 0.000
H7 0.999 2.418 0.000
H8 1.802 1.060 0.885
H9 1.802 1.060 -0.885
H10 -0.999 -2.418 0.000
H11 -1.802 -1.060 0.885
H12 -1.802 -1.060 -0.885

Atom - Atom Distances (Å)
  N1 N2 O3 O4 C5 C6 H7 H8 H9 H10 H11 H12
N11.32551.31792.29791.47132.34232.04902.09562.09563.21982.60702.6070
N21.32552.29791.31792.34231.47133.21982.60702.60702.04902.09562.0956
O31.31792.29793.50402.48182.59862.53003.17283.17283.66402.52622.5262
O42.29791.31793.50402.59862.48183.66402.52622.52622.53003.17283.1728
C51.47132.34232.48182.59863.68051.08461.09081.09084.39133.98663.9866
C62.34231.47132.59862.48183.68054.39133.98663.98661.08461.09081.0908
H72.04903.21982.53003.66401.08464.39131.80901.80905.23214.55244.5524
H82.09562.60703.17282.52621.09083.98661.80901.76964.55244.18184.5408
H92.09562.60703.17282.52621.09083.98661.80901.76964.55244.54084.1818
H103.21982.04903.66402.53004.39131.08465.23214.55244.55241.80901.8090
H112.60702.09562.52623.17283.98661.09084.55244.18184.54081.80901.7696
H122.60702.09562.52623.17283.98661.09084.55244.54084.18181.80901.7696

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 120.751 N1 N2 C6 113.651
N1 C5 H7 105.583 N1 C5 H8 108.845
N1 C5 H9 108.845 N2 N1 O3 120.751
N2 N1 C5 113.651 N2 C6 H10 105.583
N2 C6 H11 108.845 N2 C6 H12 108.845
O3 N1 C5 125.598 O4 N2 C6 125.598
H7 C5 H8 112.514 H7 C5 H9 112.514
H8 C5 H9 108.409 H10 C6 H11 112.514
H10 C6 H12 112.514 H11 C6 H12 108.409
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.013      
2 N -0.013      
3 O -0.360      
4 O -0.360      
5 C -0.411      
6 C -0.411      
7 H 0.253      
8 H 0.265      
9 H 0.265      
10 H 0.253      
11 H 0.265      
12 H 0.265      


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 -36.050 9.675 0.000
y 9.675 -34.844 0.000
z 0.000 0.000 -34.183
Traceless
 xyz
x -1.537 9.675 0.000
y 9.675 0.272 0.000
z 0.000 0.000 1.264
Polar
3z2-r22.528
x2-y2-1.206
xy9.675
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.087 -0.739 0.000
y -0.739 8.079 0.000
z 0.000 0.000 3.574


<r2> (average value of r2) Å2
<r2> 152.081
(<r2>)1/2 12.332