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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-339.531852
Energy at 298.15K-339.540902
Nuclear repulsion energy260.932969
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 3204 3065 4.00      
2 A 3201 3063 1.68      
3 A 3154 3018 30.84      
4 A 3150 3014 0.09      
5 A 3056 2924 41.40      
6 A 3050 2918 23.93      
7 A 1692 1619 279.43      
8 A 1540 1474 56.58      
9 A 1520 1454 17.55      
10 A 1520 1454 0.05      
11 A 1499 1434 11.57      
12 A 1496 1431 51.29      
13 A 1451 1388 7.40      
14 A 1381 1322 269.06      
15 A 1346 1288 2.24      
16 A 1291 1235 4.29      
17 A 1163 1113 42.00      
18 A 1135 1086 2.32      
19 A 1067 1020 12.74      
20 A 1029 985 61.21      
21 A 873 835 10.25      
22 A 791 756 19.72      
23 A 635 608 1.55      
24 A 625 598 9.04      
25 A 424 406 4.19      
26 A 359 344 2.16      
27 A 203 194 8.53      
28 A 138 132 0.31      
29 A 121 116 3.03      
30 A 118 113 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 21117.2 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 20202.8 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
0.17519 0.13368 0.07860

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 1.352 1.093 0.031
O2 1.352 -1.093 0.031
H3 -1.210 1.534 1.111
H4 -2.271 1.153 -0.275
H5 -0.759 2.054 -0.530
C6 -1.234 1.261 0.048
H7 -1.210 -1.534 1.111
H8 -0.759 -2.053 -0.530
H9 -2.272 -1.152 -0.275
C10 -1.234 -1.261 0.048
N11 0.799 -0.000 -0.028
N12 -0.564 -0.000 -0.212

Atom - Atom Distances (Å)
  O1 O2 H3 H4 H5 C6 H7 H8 H9 C10 N11 N12
O12.18622.81593.63722.38612.59183.82603.83054.27423.49721.22662.2194
O22.18623.82604.27433.83053.49722.81602.38633.63742.59191.22662.2195
H32.81593.82601.78711.77941.09873.06873.97113.20422.99092.77302.1266
H43.63724.27431.78711.77911.09193.20423.55412.30492.64673.28912.0611
H52.38613.83051.77941.77911.08963.97114.10703.55413.39762.62602.0871
C62.59183.49721.09871.09191.08962.99093.39762.64662.52172.39351.4512
H73.82602.81603.06873.20423.97112.99091.77941.78711.09872.77302.1266
H83.83052.38633.97113.55414.10703.39761.77941.77911.08962.62612.0871
H94.27423.63743.20422.30493.55412.64661.78711.77911.09193.28912.0611
C103.49722.59192.99092.64673.39762.52171.09871.08961.09192.39351.4512
N111.22661.22662.77303.28912.62602.39352.77302.62613.28912.39351.3754
N122.21942.21952.12662.06112.08711.45122.12662.08712.06111.45121.3754

picture of Dimethylnitroamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N11 O2 126.049 O1 N11 N12 116.962
O2 N11 N12 116.965 H3 C6 H4 109.331
H3 C6 H5 108.814 H3 C6 N12 112.292
H4 C6 H5 109.280 H4 C6 N12 107.443
H5 C6 N12 109.638 C6 N12 C10 120.650
C6 N12 N11 115.700 H7 C10 H8 108.814
H7 C10 H9 109.331 H7 C10 N12 112.292
H8 C10 H9 109.280 H8 C10 N12 109.638
H9 C10 N12 107.443 C10 N12 N11 115.703
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 -0.431     -0.411
2 O -0.431     -0.411
3 H 0.193     0.171
4 H 0.188     0.168
5 H 0.229     0.165
6 C -0.370     -0.415
7 H 0.193     0.171
8 H 0.229     0.165
9 H 0.188     0.168
10 C -0.370     -0.415
11 N 0.653     0.684
12 N -0.272     -0.041


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -4.499 0.000 0.167 4.502
CHELPG        
AIM        
ESP -4.536 0.000 0.185 4.540


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.740 0.000 -0.417
y 0.000 -35.173 0.000
z -0.417 0.000 -34.512
Traceless
 xyz
x -1.897 0.000 -0.417
y 0.000 0.453 0.000
z -0.417 0.000 1.444
Polar
3z2-r22.888
x2-y2-1.566
xy0.000
xz-0.417
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> 148.328
(<r2>)1/2 12.179