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All results from a given calculation for C2H6N2O2 (Dimethylnitroamine)

using model chemistry: PBEPBE/3-21G

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/3-21G
 hartrees
Energy at 0K-337.396621
Energy at 298.15K-337.405148
Nuclear repulsion energy252.542381
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/3-21G
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 3124 3096 0.20      
2 A 3124 3095 0.00      
3 A 3050 3023 32.46      
4 A 3049 3021 0.86      
5 A 2951 2924 64.56      
6 A 2947 2920 14.50      
7 A 1530 1516 16.66      
8 A 1514 1500 4.70      
9 A 1512 1498 26.73      
10 A 1493 1480 19.71      
11 A 1418 1405 10.37      
12 A 1410 1397 2.12      
13 A 1345 1333 138.12      
14 A 1237 1225 0.71      
15 A 1219 1208 2.09      
16 A 1146 1135 18.56      
17 A 1098 1088 5.07      
18 A 1064 1054 213.02      
19 A 1017 1008 0.08      
20 A 891 883 70.45      
21 A 747 740 14.97      
22 A 650 644 10.37      
23 A 550 545 9.41      
24 A 536 531 1.33      
25 A 377 374 6.29      
26 A 358 354 4.72      
27 A 180 179 14.97      
28 A 149 148 0.00      
29 A 82 81 0.61      
30 A 56 55 0.24      

Unscaled Zero Point Vibrational Energy (zpe) 19911.3 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 19730.1 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/3-21G
ABC
0.16492 0.12494 0.07381

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.399 -1.158 0.035
O2 -1.399 1.158 0.035
H3 1.511 -1.354 1.139
H4 2.202 -1.340 -0.529
H5 0.579 -2.075 -0.224
C6 1.273 -1.274 0.059
H7 1.512 1.354 1.139
H8 0.578 2.075 -0.224
H9 2.201 1.341 -0.529
C10 1.273 1.274 0.059
N11 -0.826 -0.000 -0.028
N12 0.614 0.000 -0.264

Atom - Atom Distances (Å)
  O1 O2 H3 H4 H5 C6 H7 H8 H9 C10 N11 N12
O12.31623.11843.64932.19552.67453.99973.79844.41883.61281.29372.3409
O22.31623.99954.41883.79893.61293.11892.19463.64872.67421.29372.3408
H33.11843.99951.80541.80211.10872.70753.80563.24402.85092.94202.1467
H43.64934.41881.80541.80711.10143.24293.79382.68162.83613.34882.0953
H52.19553.79891.80211.80711.09723.80574.14973.79403.43162.51352.0756
C62.67453.61291.10871.10141.09722.85063.43152.83652.54762.45661.4705
H73.99973.11892.70753.24293.80572.85061.80221.80541.10872.94232.1467
H83.79842.19463.80563.79384.14973.43151.80221.80711.09722.51292.0755
H94.41883.64873.24402.68163.79402.83651.80541.80711.10143.34862.0954
C103.61282.67422.85092.83613.43162.54761.10871.09721.10142.45651.4705
N111.29371.29372.94203.34882.51352.45662.94232.51293.34862.45651.4584
N122.34092.34082.14672.09532.07561.47052.14672.07552.09541.47051.4584

picture of Dimethylnitroamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N11 O2 127.068 O1 N11 N12 116.428
O2 N11 N12 116.422 H3 C6 H4 109.544
H3 C6 H5 109.561 H3 C6 N12 111.914
H4 C6 H5 110.559 H4 C6 N12 108.261
H5 C6 N12 106.973 C6 N12 C10 120.051
C6 N12 N11 114.015 H7 C10 H8 109.563
H7 C10 H9 109.545 H7 C10 N12 111.914
H8 C10 H9 110.559 H8 C10 N12 106.967
H9 C10 N12 108.265 C10 N12 N11 114.008
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.274      
2 O -0.274      
3 H 0.217      
4 H 0.231      
5 H 0.264      
6 C -0.449      
7 H 0.217      
8 H 0.264      
9 H 0.231      
10 C -0.449      
11 N 0.353      
12 N -0.331      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.938 0.000 0.363 3.955
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.414 -0.001 0.449
y -0.001 -35.003 0.001
z 0.449 0.001 -35.173
Traceless
 xyz
x -1.326 -0.001 0.449
y -0.001 0.790 0.001
z 0.449 0.001 0.536
Polar
3z2-r21.071
x2-y2-1.411
xy-0.001
xz0.449
yz0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.909 0.000 -0.099
y 0.000 7.254 -0.000
z -0.099 -0.000 3.844


<r2> (average value of r2) Å2
<r2> 155.893
(<r2>)1/2 12.486