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: mPW1PW91/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-339.564871
Energy at 298.15K-339.573930
Nuclear repulsion energy260.708533
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/cc-pVDZ
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 3249 3113 0.00      
2 Ag 3092 2963 0.00      
3 Ag 1635 1567 0.00      
4 Ag 1469 1407 0.00      
5 Ag 1439 1379 0.00      
6 Ag 1387 1329 0.00      
7 Ag 1099 1053 0.00      
8 Ag 820 785 0.00      
9 Ag 644 618 0.00      
10 Ag 412 395 0.00      
11 Au 3182 3049 3.75      
12 Au 1437 1377 25.44      
13 Au 1117 1071 0.53      
14 Au 340 326 6.78      
15 Au 195 186 12.38      
16 Au 105 100 2.34      
17 Bg 3182 3049 0.00      
18 Bg 1434 1374 0.00      
19 Bg 1091 1046 0.00      
20 Bg 514 493 0.00      
21 Bg 144 138 0.00      
22 Bu 3250 3114 0.87      
23 Bu 3092 2963 11.42      
24 Bu 1472 1410 54.28      
25 Bu 1418 1359 181.16      
26 Bu 1377 1319 146.98      
27 Bu 1166 1117 22.41      
28 Bu 968 928 42.84      
29 Bu 559 535 39.54      
30 Bu 300 287 23.84      

Unscaled Zero Point Vibrational Energy (zpe) 20792.6 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 19925.6 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/cc-pVDZ
ABC
0.17612 0.13371 0.07825

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pVDZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.649 0.000
N2 0.000 -0.649 0.000
O3 -1.065 1.312 0.000
O4 1.065 -1.312 0.000
C5 1.321 1.273 0.000
C6 -1.321 -1.273 0.000
H7 1.136 2.349 0.000
H8 1.877 0.947 0.888
H9 1.877 0.947 -0.888
H10 -1.136 -2.349 0.000
H11 -1.877 -0.947 0.888
H12 -1.877 -0.947 -0.888

Atom - Atom Distances (Å)
  N1 N2 O3 O4 C5 C6 H7 H8 H9 H10 H11 H12
N11.29891.25412.23191.46052.33222.04392.09792.09793.20602.61962.6196
N21.29892.23191.25412.33221.46053.20602.61962.61962.04392.09792.0979
O31.25412.23193.37952.38592.59752.43263.09463.09463.66132.55992.5599
O42.23191.25413.37952.59752.38593.66132.55992.55992.43263.09463.0946
C51.46052.33222.38592.59753.66851.09161.09711.09714.37603.99313.9931
C62.33221.46052.59752.38593.66854.37603.99313.99311.09161.09711.0971
H72.04393.20602.43263.66131.09164.37601.81681.81685.21774.55314.5531
H82.09792.61963.09462.55991.09713.99311.81681.77544.55314.20564.5650
H92.09792.61963.09462.55991.09713.99311.81681.77544.55314.56504.2056
H103.20602.04393.66132.43264.37601.09165.21774.55314.55311.81681.8168
H112.61962.09792.55993.09463.99311.09714.55314.20564.56501.81681.7754
H122.61962.09792.55993.09463.99311.09714.55314.56504.20561.81681.7754

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 121.895 N1 N2 C6 115.264
N1 C5 H7 105.515 N1 C5 H8 109.401
N1 C5 H9 109.401 N2 N1 O3 121.895
N2 N1 C5 115.264 N2 C6 H10 105.515
N2 C6 H11 109.401 N2 C6 H12 109.401
O3 N1 C5 122.841 O4 N2 C6 122.841
H7 C5 H8 112.222 H7 C5 H9 112.222
H8 C5 H9 108.025 H10 C6 H11 112.222
H10 C6 H12 112.222 H11 C6 H12 108.025
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.070      
2 N 0.070      
3 O -0.376      
4 O -0.376      
5 C 0.065      
6 C 0.065      
7 H 0.074      
8 H 0.083      
9 H 0.083      
10 H 0.074      
11 H 0.083      
12 H 0.083      


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 -34.999 9.728 0.000
y 9.728 -36.735 0.000
z 0.000 0.000 -33.864
Traceless
 xyz
x 0.301 9.728 0.000
y 9.728 -2.303 0.000
z 0.000 0.000 2.002
Polar
3z2-r24.005
x2-y21.736
xy9.728
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> 148.397
(<r2>)1/2 12.182