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: B3LYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B3LYP/STO-3G
 hartrees
Energy at 0K-335.131778
Energy at 298.15K-335.138870
HF Energy-335.131778
Nuclear repulsion energy234.383206
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 B3LYP/STO-3G
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 3487 3112 0.00      
2 Ag 3475 3101 0.00      
3 Ag 3287 2933 0.00      
4 Ag 1635 1459 0.00      
5 Ag 1626 1451 0.00      
6 Ag 1539 1373 0.00      
7 Ag 1466 1308 0.00      
8 Ag 1152 1028 0.00      
9 Ag 1069 954 0.00      
10 Ag 886 790 0.00      
11 Ag 525 468 0.00      
12 Ag 453 404 0.00      
13 Ag 334 298 0.00      
14 Ag 149 133 0.00      
15 Ag 79 70 0.00      
16 Au 3487 3112 0.88      
17 Au 3475 3101 0.82      
18 Au 3287 2933 4.78      
19 Au 1635 1460 9.75      
20 Au 1626 1451 7.35      
21 Au 1559 1391 48.44      
22 Au 1445 1289 44.66      
23 Au 1136 1014 45.59      
24 Au 1034 923 7.69      
25 Au 875 780 32.15      
26 Au 495 442 3.25      
27 Au 298 266 15.69      
28 Au 153 137 3.03      
29 Au 122 109 6.36      
30 Au 35 31 4.21      

Unscaled Zero Point Vibrational Energy (zpe) 20910.9 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 18660.9 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 B3LYP/STO-3G
ABC
0.16477 0.09072 0.06139

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is Ci

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.844 -0.293 0.337
N2 -0.844 0.293 -0.337
O3 1.219 -1.453 -0.093
O4 -1.219 1.453 0.093
C5 1.847 0.872 -0.050
C6 -1.847 -0.872 0.050
H7 2.392 0.626 -0.977
H8 1.244 1.787 -0.169
H9 2.554 0.990 0.790
H10 -2.554 -0.990 -0.790
H11 -1.244 -1.787 0.169
H12 -2.392 -0.626 0.977

Atom - Atom Distances (Å)
  N1 N2 O3 O4 C5 C6 H7 H8 H9 H10 H11 H12
N11.91021.29312.71441.58542.76732.22892.17852.18523.64692.57323.3153
N21.91022.71441.29312.76731.58543.31532.57323.64692.18522.17852.2289
O31.29312.71443.79892.40883.12422.54533.24172.92073.86462.49993.8564
O42.71441.29313.79893.12422.40883.85642.49993.86462.92073.24172.5453
C51.58542.76732.40883.12424.08581.10311.10251.10374.83524.08344.6114
C62.76731.58543.12422.40884.08584.61144.08344.83521.10371.10251.1031
H72.22893.31532.54533.85641.10314.61141.82191.81065.20644.51205.3169
H82.17852.57323.24172.49991.10254.08341.82191.80804.74604.36874.5120
H92.18523.64692.92073.86461.10374.83521.81061.80805.70094.74605.2064
H103.64692.18523.86462.92074.83521.10375.20644.74605.70091.80801.8106
H112.57322.17852.49993.24174.08341.10254.51204.36874.74601.80801.8219
H123.31532.22893.85642.54534.61141.10315.31694.51205.20641.81061.8219

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 114.483 N1 N2 C6 104.297
N1 C5 H7 110.724 N1 C5 H8 106.915
N1 C5 H9 107.345 N2 N1 O3 114.483
N2 N1 C5 104.297 N2 C6 H10 107.345
N2 C6 H11 106.915 N2 C6 H12 110.724
O3 N1 C5 113.226 O4 N2 C6 113.226
H7 C5 H8 111.387 H7 C5 H9 110.265
H8 C5 H9 110.075 H10 C6 H11 110.075
H10 C6 H12 110.265 H11 C6 H12 111.387
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.010      
2 N -0.010      
3 O -0.103      
4 O -0.103      
5 C -0.173      
6 C -0.173      
7 H 0.092      
8 H 0.102      
9 H 0.093      
10 H 0.093      
11 H 0.102      
12 H 0.092      


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 -28.548 4.092 0.496
y 4.092 -34.501 -0.355
z 0.496 -0.355 -32.082
Traceless
 xyz
x 4.744 4.092 0.496
y 4.092 -4.186 -0.355
z 0.496 -0.355 -0.558
Polar
3z2-r2-1.116
x2-y25.953
xy4.092
xz0.496
yz-0.355


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.508 -0.723 0.406
y -0.723 5.145 0.161
z 0.406 0.161 2.354


<r2> (average value of r2) Å2
<r2> 180.312
(<r2>)1/2 13.428