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All results from a given calculation for C2H6N2O2 (Dimethylnitroamine)

using model chemistry: B3LYP/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 B3LYP/3-21G
 hartrees
Energy at 0K-337.756732
Energy at 298.15K-337.765457
Nuclear repulsion energy254.806977
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/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 3190 3078 2.20      
2 A 3187 3075 0.58      
3 A 3137 3027 27.47      
4 A 3132 3022 0.20      
5 A 3043 2936 41.22      
6 A 3038 2932 15.21      
7 A 1580 1525 29.85      
8 A 1568 1513 2.77      
9 A 1555 1500 16.89      
10 A 1541 1487 12.95      
11 A 1495 1443 11.06      
12 A 1475 1423 1.73      
13 A 1383 1335 123.04      
14 A 1264 1220 6.38      
15 A 1264 1219 9.71      
16 A 1195 1153 21.43      
17 A 1145 1105 6.00      
18 A 1111 1072 251.94      
19 A 1052 1015 10.37      
20 A 944 910 30.66      
21 A 771 743 6.05      
22 A 687 663 19.03      
23 A 579 558 10.21      
24 A 566 547 1.08      
25 A 401 387 5.98      
26 A 355 342 3.78      
27 A 166 160 10.75      
28 A 144 139 0.13      
29 A 94 91 3.41      
30 A 92 89 0.20      

Unscaled Zero Point Vibrational Energy (zpe) 20575.2 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 19853.1 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 B3LYP/3-21G
ABC
0.16432 0.13002 0.07519

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.374 1.150 0.033
O2 1.374 -1.150 0.033
H3 -1.221 1.541 1.120
H4 -2.283 1.214 -0.284
H5 -0.727 2.065 -0.507
C6 -1.247 1.290 0.052
H7 -1.225 -1.539 1.121
H8 -0.725 -2.066 -0.503
H9 -2.282 -1.215 -0.288
C10 -1.248 -1.290 0.052
N11 0.805 -0.000 -0.034
N12 -0.598 -0.000 -0.225

Atom - Atom Distances (Å)
  O1 O2 H3 H4 H5 C6 H7 H8 H9 C10 N11 N12
O12.29972.84043.67072.35432.62483.89483.87704.36593.58101.28482.2974
O22.29973.89374.36603.87863.58102.84502.35193.67072.62581.28482.2977
H32.84043.89371.79031.77891.09773.08043.98643.27213.02572.79492.1386
H43.67074.36601.79031.78721.09113.26673.63772.42952.72993.32702.0772
H52.35433.87861.77891.78721.08823.98604.13113.63713.44062.61452.0884
C62.62483.58101.09771.09111.08823.02403.44092.73152.57922.42521.4702
H73.89482.84503.08043.26673.98603.02401.77901.79031.09772.79702.1387
H83.87702.35193.98643.63774.13113.44091.77901.78721.08822.61272.0881
H94.36593.67073.27212.42953.63712.73151.79031.78721.09113.32702.0774
C103.58102.62583.02572.72993.44062.57921.09771.08821.09112.42541.4702
N111.28481.28482.79493.32702.61452.42522.79702.61273.32702.42541.4160
N122.29742.29772.13862.07722.08841.47022.13872.08812.07741.47021.4160

picture of Dimethylnitroamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N11 O2 127.008 O1 N11 N12 116.480
O2 N11 N12 116.501 H3 C6 H4 109.758
H3 C6 H5 108.938 H3 C6 N12 111.965
H4 C6 H5 110.184 H4 C6 N12 107.466
H5 C6 N12 108.512 C6 N12 C10 122.603
C6 N12 N11 114.325 H7 C10 H8 108.945
H7 C10 H9 109.755 H7 C10 N12 111.969
H8 C10 H9 110.189 H8 C10 N12 108.487
H9 C10 N12 107.477 C10 N12 N11 114.342
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.310     -0.381
2 O -0.310     -0.381
3 H 0.213     0.165
4 H 0.211     0.163
5 H 0.251     0.160
6 C -0.381     -0.361
7 H 0.213     0.164
8 H 0.251     0.158
9 H 0.211     0.161
10 C -0.381     -0.355
11 N 0.395     0.652
12 N -0.364     -0.145


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -4.382 -0.000 0.286 4.391
CHELPG        
AIM        
ESP -4.407 -0.001 0.310 4.418


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.582 0.001 -0.538
y 0.001 -35.130 -0.001
z -0.538 -0.001 -34.910
Traceless
 xyz
x -1.562 0.001 -0.538
y 0.001 0.617 -0.001
z -0.538 -0.001 0.945
Polar
3z2-r21.891
x2-y2-1.452
xy0.001
xz-0.538
yz-0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.231 0.001 0.092
y 0.001 7.060 0.000
z 0.092 0.000 3.704


<r2> (average value of r2) Å2
<r2> 153.519
(<r2>)1/2 12.390