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: B3PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-31G**
 hartrees
Energy at 0K-339.539424
Energy at 298.15K-339.548481
Nuclear repulsion energy260.915037
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 B3PW91/6-31G**
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 3200 3067 2.99      
2 A 3197 3064 1.20      
3 A 3147 3016 30.00      
4 A 3144 3013 0.07      
5 A 3047 2920 42.76      
6 A 3041 2915 23.27      
7 A 1691 1620 275.52      
8 A 1526 1462 60.58      
9 A 1507 1444 20.74      
10 A 1504 1442 0.00      
11 A 1483 1421 12.19      
12 A 1480 1419 60.20      
13 A 1435 1375 8.88      
14 A 1377 1320 254.42      
15 A 1341 1285 2.11      
16 A 1288 1234 3.83      
17 A 1155 1107 41.02      
18 A 1125 1079 2.30      
19 A 1060 1016 11.32      
20 A 1025 983 64.84      
21 A 872 836 10.09      
22 A 790 757 19.17      
23 A 634 607 1.45      
24 A 624 598 9.04      
25 A 423 405 4.45      
26 A 363 348 2.28      
27 A 199 191 8.96      
28 A 139 133 0.25      
29 A 128 123 2.49      
30 A 112 107 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 21027.2 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 20152.4 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 B3PW91/6-31G**
ABC
0.17545 0.13340 0.07855

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.354 1.093 0.031
O2 1.354 -1.093 0.031
H3 -1.240 1.519 1.114
H4 -2.264 1.161 -0.303
H5 -0.742 2.057 -0.505
C6 -1.236 1.259 0.047
H7 -1.241 -1.518 1.115
H8 -0.741 -2.057 -0.504
H9 -2.264 -1.161 -0.304
C10 -1.236 -1.259 0.048
N11 0.800 -0.000 -0.027
N12 -0.563 -0.000 -0.212

Atom - Atom Distances (Å)
  O1 O2 H3 H4 H5 C6 H7 H8 H9 C10 N11 N12
O12.18582.84303.63402.36812.59483.83753.82054.27553.49851.22652.2200
O22.18583.83714.27553.82103.49852.84442.36743.63402.59511.22652.2201
H32.84303.83711.78521.77791.09813.03693.95673.20042.97612.78782.1268
H43.63404.27551.78521.77831.09123.19863.56562.32142.65263.28842.0611
H52.36813.82101.77791.77831.08873.95654.11393.56533.39812.61472.0854
C62.59483.49851.09811.09121.08872.97553.39822.65322.51882.39501.4510
H73.83752.84443.03693.19863.95652.97551.77801.78521.09812.78852.1268
H83.82052.36743.95673.56564.11393.39821.77801.77831.08872.61422.0853
H94.27553.63403.20042.32143.56532.65321.78521.77831.09123.28832.0612
C103.49852.59512.97612.65263.39812.51881.09811.08871.09122.39511.4510
N111.22651.22652.78783.28842.61472.39502.78852.61423.28832.39511.3759
N122.22002.22012.12682.06112.08541.45102.12682.08532.06121.45101.3759

picture of Dimethylnitroamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N11 O2 126.008 O1 N11 N12 116.980
O2 N11 N12 116.986 H3 C6 H4 109.262
H3 C6 H5 108.788 H3 C6 N12 112.356
H4 C6 H5 109.326 H4 C6 N12 107.499
H5 C6 N12 109.568 C6 N12 C10 120.449
C6 N12 N11 115.799 H7 C10 H8 108.790
H7 C10 H9 109.261 H7 C10 N12 112.357
H8 C10 H9 109.326 H8 C10 N12 109.562
H9 C10 N12 107.501 C10 N12 N11 115.806
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.432      
2 O -0.432      
3 H 0.154      
4 H 0.147      
5 H 0.189      
6 C -0.235      
7 H 0.154      
8 H 0.189      
9 H 0.147      
10 C -0.235      
11 N 0.655      
12 N -0.303      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -4.489 0.000 0.170 4.492
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.757 0.000 -0.416
y 0.000 -35.099 0.000
z -0.416 0.000 -34.528
Traceless
 xyz
x -1.944 0.000 -0.416
y 0.000 0.544 0.000
z -0.416 0.000 1.400
Polar
3z2-r22.800
x2-y2-1.658
xy0.000
xz-0.416
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> 148.381
(<r2>)1/2 12.181