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 (Dimethylnitroamine)

using model chemistry: PBEPBE/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-339.317775
Energy at 298.15K-339.326552
Nuclear repulsion energy258.893613
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 PBEPBE/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 A 3114 3082 1.29      
2 A 3113 3081 0.87      
3 A 3051 3019 28.55      
4 A 3048 3016 0.19      
5 A 2950 2920 50.37      
6 A 2945 2915 24.03      
7 A 1609 1593 232.72      
8 A 1465 1450 33.12      
9 A 1447 1432 10.27      
10 A 1445 1430 0.11      
11 A 1423 1408 12.98      
12 A 1411 1396 53.55      
13 A 1371 1357 11.84      
14 A 1294 1280 209.13      
15 A 1286 1273 0.98      
16 A 1233 1220 4.91      
17 A 1113 1101 41.31      
18 A 1084 1073 2.33      
19 A 1019 1009 6.71      
20 A 958 948 77.44      
21 A 838 830 14.81      
22 A 753 745 11.46      
23 A 599 593 0.79      
24 A 596 590 7.29      
25 A 401 396 3.50      
26 A 353 349 2.04      
27 A 187 185 8.73      
28 A 133 131 0.12      
29 A 104 103 1.16      
30 A 70 70 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 20204.3 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 19996.1 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 PBEPBE/6-31G(2df,p)
ABC
0.17420 0.13034 0.07733

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.367 1.102 0.032
O2 1.367 -1.103 0.032
H3 -1.320 1.472 1.134
H4 -2.265 1.189 -0.369
H5 -0.706 2.075 -0.437
C6 -1.250 1.257 0.050
H7 -1.320 -1.472 1.134
H8 -0.706 -2.075 -0.437
H9 -2.265 -1.189 -0.369
C10 -1.250 -1.257 0.050
N11 0.816 -0.000 -0.027
N12 -0.573 -0.000 -0.226

Atom - Atom Distances (Å)
  O1 O2 H3 H4 H5 C6 H7 H8 H9 C10 N11 N12
O12.20502.92793.65492.33752.62153.88153.82334.31303.52381.23402.2467
O22.20503.88154.31313.82313.52382.92822.33803.65522.62181.23402.2469
H32.92793.88151.79711.79111.10732.94453.92803.19862.93762.84212.1386
H43.65494.31311.79711.79431.10003.19863.61782.37772.68123.31982.0723
H52.33753.82311.79111.79431.09633.92804.15053.61783.41142.60612.0902
C62.62153.52381.10731.10001.09632.93763.41142.68112.51442.41941.4539
H73.88152.92822.94453.19863.92802.93761.79111.79711.10732.84222.1386
H83.82332.33803.92803.61784.15053.41141.79111.79431.09632.60632.0902
H94.31303.65523.19862.37773.61782.68111.79711.79431.10003.31992.0723
C103.52382.62182.93762.68123.41142.51441.10731.09631.10002.41951.4539
N111.23401.23402.84213.31982.60612.41942.84222.60633.31992.41951.4037
N122.24672.24692.13862.07232.09021.45392.13862.09022.07231.45391.4037

picture of Dimethylnitroamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N11 O2 126.616 O1 N11 N12 116.668
O2 N11 N12 116.677 H3 C6 H4 109.010
H3 C6 H5 108.745 H3 C6 N12 112.532
H4 C6 H5 109.568 H4 C6 N12 107.659
H5 C6 N12 109.292 C6 N12 C10 119.692
C6 N12 N11 115.689 H7 C10 H8 108.746
H7 C10 H9 109.010 H7 C10 N12 112.532
H8 C10 H9 109.568 H8 C10 N12 109.292
H9 C10 N12 107.659 C10 N12 N11 115.695
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.379      
2 O -0.379      
3 H 0.144      
4 H 0.147      
5 H 0.180      
6 C -0.355      
7 H 0.144      
8 H 0.180      
9 H 0.147      
10 C -0.355      
11 N 0.562      
12 N -0.037      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -4.052 0.000 0.112 4.054
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.562 0.001 -0.313
y 0.001 -35.242 0.000
z -0.313 0.000 -34.484
Traceless
 xyz
x -1.699 0.001 -0.313
y 0.001 0.281 0.000
z -0.313 0.000 1.417
Polar
3z2-r22.835
x2-y2-1.320
xy0.001
xz-0.313
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.495 -0.000 0.012
y -0.000 7.990 0.000
z 0.012 0.000 4.945


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000