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All results from a given calculation for C2H6N2O2 ((E)-Azodioxymethane)

using model chemistry: HF/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 HF/3-21G
 hartrees
Energy at 0K-335.739898
Energy at 298.15K-335.749088
Nuclear repulsion energy257.159092
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 HF/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 3394 3073 0.00      
2 Ag 3257 2950 0.00      
3 Ag 1693 1533 0.00      
4 Ag 1637 1482 0.00      
5 Ag 1560 1413 0.00      
6 Ag 1421 1287 0.00      
7 Ag 1156 1047 0.00      
8 Ag 733 664 0.00      
9 Ag 624 565 0.00      
10 Ag 399 362 0.00      
11 Au 3331 3017 1.49      
12 Au 1646 1491 28.01      
13 Au 1272 1152 0.14      
14 Au 336 304 3.24      
15 Au 221 200 26.55      
16 Au 149 135 2.22      
17 Bg 3330 3016 0.00      
18 Bg 1644 1488 0.00      
19 Bg 1248 1130 0.00      
20 Bg 630 571 0.00      
21 Bg 171 155 0.00      
22 Bu 3393 3073 1.92      
23 Bu 3257 2950 7.17      
24 Bu 1640 1485 21.59      
25 Bu 1584 1435 4.43      
26 Bu 1312 1188 12.38      
27 Bu 1069 968 90.88      
28 Bu 825 747 294.45      
29 Bu 457 414 54.07      
30 Bu 323 292 29.33      

Unscaled Zero Point Vibrational Energy (zpe) 21856.1 cm-1
Scaled (by 0.9056) Zero Point Vibrational Energy (zpe) 19792.8 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 HF/3-21G
ABC
0.16472 0.13480 0.07621

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.622 0.000
N2 0.000 -0.622 0.000
O3 -1.154 1.314 0.000
O4 1.154 -1.314 0.000
C5 1.312 1.291 0.000
C6 -1.312 -1.291 0.000
H7 1.096 2.342 0.000
H8 1.856 0.980 0.877
H9 1.856 0.980 -0.877
H10 -1.096 -2.342 0.000
H11 -1.856 -0.980 0.877
H12 -1.856 -0.980 -0.877

Atom - Atom Distances (Å)
  N1 N2 O3 O4 C5 C6 H7 H8 H9 H10 H11 H12
N11.24311.34562.25321.47322.31952.03992.08422.08423.15972.60372.6037
N21.24312.25321.34562.31951.47323.15972.60372.60372.03992.08422.0842
O31.34562.25323.49712.46632.60952.47403.15323.15323.65602.55392.5539
O42.25321.34563.49712.60952.46633.65602.55392.55392.47403.15323.1532
C51.47322.31952.46632.60953.68171.07271.07831.07834.35883.99563.9956
C62.31951.47322.60952.46633.68174.35883.99563.99561.07271.07831.0783
H72.03993.15972.47403.65601.07274.35881.78971.78975.17154.52994.5299
H82.08422.60373.15322.55391.07833.99561.78971.75494.52994.19784.5498
H92.08422.60373.15322.55391.07833.99561.78971.75494.52994.54984.1978
H103.15972.03993.65602.47404.35881.07275.17154.52994.52991.78971.7897
H112.60372.08422.55393.15323.99561.07834.52994.19784.54981.78971.7549
H122.60372.08422.55393.15323.99561.07834.52994.54984.19781.78971.7549

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 120.955 N1 N2 C6 117.031
N1 C5 H7 105.420 N1 C5 H8 108.550
N1 C5 H9 108.550 N2 N1 O3 120.955
N2 N1 C5 117.031 N2 C6 H10 105.420
N2 C6 H11 108.550 N2 C6 H12 108.550
O3 N1 C5 122.014 O4 N2 C6 122.014
H7 C5 H8 112.607 H7 C5 H9 112.607
H8 C5 H9 108.917 H10 C6 H11 112.607
H10 C6 H12 112.607 H11 C6 H12 108.917
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.025 -0.581   0.339
2 N -0.025 0.390   0.334
3 O -0.449 -0.581   -0.517
4 O -0.449 0.391   -0.516
5 C -0.343 0.108   -0.355
6 C -0.343 0.118   -0.353
7 H 0.266 0.108   0.177
8 H 0.275 -0.143   0.179
9 H 0.275 0.108   0.179
10 H 0.266 0.118   0.178
11 H 0.275 0.108   0.178
12 H 0.275 -0.143   0.178


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 -0.000 -0.001 0.000 0.001
AIM        
ESP 0.005 -0.003 0.000 0.006


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.409 12.243 0.000
y 12.243 -37.351 0.000
z 0.000 0.000 -34.492
Traceless
 xyz
x 0.513 12.243 0.000
y 12.243 -2.401 0.000
z 0.000 0.000 1.887
Polar
3z2-r23.775
x2-y21.943
xy12.243
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.295 -0.874 0.000
y -0.874 8.242 0.000
z 0.000 0.000 3.383


<r2> (average value of r2) Å2
<r2> 151.394
(<r2>)1/2 12.304