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

using model chemistry: mPW1PW91/6-31G(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 mPW1PW91/6-31G(2df,p)
 hartrees
Energy at 0K-339.568227
Energy at 298.15K-339.577306
Nuclear repulsion energy261.069934
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 mPW1PW91/6-31G(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 3237 3090 0.00      
2 Ag 3091 2951 0.00      
3 Ag 1633 1559 0.00      
4 Ag 1470 1403 0.00      
5 Ag 1460 1394 0.00      
6 Ag 1408 1344 0.00      
7 Ag 1110 1060 0.00      
8 Ag 816 779 0.00      
9 Ag 642 613 0.00      
10 Ag 409 390 0.00      
11 Au 3173 3029 3.56      
12 Au 1463 1397 23.18      
13 Au 1135 1084 0.13      
14 Au 348 332 5.22      
15 Au 196 188 12.27      
16 Au 108 103 2.57      
17 Bg 3173 3029 0.00      
18 Bg 1460 1393 0.00      
19 Bg 1110 1060 0.00      
20 Bg 526 502 0.00      
21 Bg 147 140 0.00      
22 Bu 3238 3091 0.61      
23 Bu 3091 2951 9.84      
24 Bu 1490 1422 23.54      
25 Bu 1433 1368 134.30      
26 Bu 1390 1327 228.50      
27 Bu 1172 1119 27.44      
28 Bu 973 929 39.12      
29 Bu 554 528 38.56      
30 Bu 298 285 23.77      

Unscaled Zero Point Vibrational Energy (zpe) 20875.4 cm-1
Scaled (by 0.9547) Zero Point Vibrational Energy (zpe) 19929.7 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 mPW1PW91/6-31G(2df,p)
ABC
0.17662 0.13395 0.07840

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G(2df,p)

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.064 0.645 0.000
N2 0.064 -0.645 0.000
O3 -1.187 1.201 0.000
O4 1.187 -1.201 0.000
C5 1.187 1.396 0.000
C6 -1.187 -1.396 0.000
H7 0.900 2.442 0.000
H8 1.771 1.129 0.883
H9 1.771 1.129 -0.883
H10 -0.900 -2.442 0.000
H11 -1.771 -1.129 0.883
H12 -1.771 -1.129 -0.883

Atom - Atom Distances (Å)
  N1 N2 O3 O4 C5 C6 H7 H8 H9 H10 H11 H12
N11.29611.25362.23001.45932.32942.03952.09252.09253.19842.61502.6150
N21.29612.23001.25362.32941.45933.19842.61502.61502.03952.09252.0925
O31.25362.23003.37772.38292.59652.42863.08783.08783.65452.55872.5587
O42.23001.25363.37772.59652.38293.65452.55872.55872.42863.08783.0878
C51.45932.32942.38292.59653.66481.08551.09101.09104.36883.98783.9878
C62.32941.45932.59652.38293.66484.36883.98783.98781.08551.09101.0910
H72.03953.19842.42863.65451.08554.36881.80621.80625.20564.54584.5458
H82.09252.61503.08782.55871.09103.98781.80621.76534.54584.19984.5557
H92.09252.61503.08782.55871.09103.98781.80621.76534.54584.55574.1998
H103.19842.03953.65452.42864.36881.08555.20564.54584.54581.80621.8062
H112.61502.09252.55873.08783.98781.09104.54584.19984.55571.80621.7653
H122.61502.09252.55873.08783.98781.09104.54584.55574.19981.80621.7653

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 121.988 N1 N2 C6 115.301
N1 C5 H7 105.595 N1 C5 H8 109.428
N1 C5 H9 109.428 N2 N1 O3 121.988
N2 N1 C5 115.301 N2 C6 H10 105.595
N2 C6 H11 109.428 N2 C6 H12 109.428
O3 N1 C5 122.711 O4 N2 C6 122.711
H7 C5 H8 112.166 H7 C5 H9 112.166
H8 C5 H9 108.007 H10 C6 H11 112.166
H10 C6 H12 112.166 H11 C6 H12 108.007
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.316      
2 N 0.316      
3 O -0.520      
4 O -0.520      
5 C -0.374      
6 C -0.374      
7 H 0.190      
8 H 0.194      
9 H 0.194      
10 H 0.190      
11 H 0.194      
12 H 0.194      


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 -36.546 9.530 0.000
y 9.530 -34.491 0.000
z 0.000 0.000 -33.649
Traceless
 xyz
x -2.476 9.530 0.000
y 9.530 0.606 0.000
z 0.000 0.000 1.869
Polar
3z2-r23.739
x2-y2-2.055
xy9.530
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.693 -0.439 0.000
y -0.439 9.064 0.000
z 0.000 0.000 4.660


<r2> (average value of r2) Å2
<r2> 147.905
(<r2>)1/2 12.162