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: HF/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/aug-cc-pVDZ
 hartrees
Energy at 0K-337.756642
Energy at 298.15K-337.766185
Nuclear repulsion energy264.526608
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 HF/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3335 3037 6.52      
2 A 3331 3033 7.38      
3 A 3287 2994 47.05      
4 A 3276 2983 0.06      
5 A 3187 2902 51.06      
6 A 3180 2896 24.58      
7 A 1788 1628 613.03      
8 A 1628 1483 185.31      
9 A 1617 1472 5.21      
10 A 1599 1456 2.61      
11 A 1591 1449 17.85      
12 A 1582 1441 7.69      
13 A 1549 1410 2.92      
14 A 1526 1390 278.09      
15 A 1422 1295 0.15      
16 A 1401 1276 12.13      
17 A 1249 1138 40.09      
18 A 1212 1104 3.20      
19 A 1138 1036 19.89      
20 A 1135 1033 82.35      
21 A 945 860 9.98      
22 A 914 832 21.93      
23 A 691 630 4.37      
24 A 667 607 19.09      
25 A 459 418 4.78      
26 A 389 355 1.78      
27 A 251 229 9.06      
28 A 170 155 4.13      
29 A 167 152 0.30      
30 A 125 114 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 22404.9 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 20401.9 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 HF/aug-cc-pVDZ
ABC
0.18023 0.13673 0.08085

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.335 1.060 0.037
O2 1.335 -1.060 0.037
H3 -1.162 1.501 1.117
H4 -2.260 1.129 -0.230
H5 -0.788 2.061 -0.521
C6 -1.220 1.255 0.055
H7 -1.164 -1.500 1.117
H8 -0.788 -2.061 -0.521
H9 -2.260 -1.129 -0.232
C10 -1.221 -1.254 0.055
N11 0.788 -0.000 -0.035
N12 -0.544 0.000 -0.249

Atom - Atom Distances (Å)
  O1 O2 H3 H4 H5 C6 H7 H8 H9 C10 N11 N12
O12.12002.75663.60542.41272.56313.73713.81554.21743.44811.19482.1759
O22.12003.73654.21733.81573.44792.75782.41233.60562.56341.19482.1759
H32.75663.73651.77701.77171.09143.00073.93823.15242.95312.71782.1214
H43.60544.21731.77701.76641.08513.15083.52532.25772.61533.25642.0543
H52.41273.81571.77171.76641.08193.93804.12223.52513.39292.63992.0933
C62.56313.44791.09141.08511.08192.95263.39302.61582.50872.37031.4576
H73.73712.75783.00073.15083.93802.95261.77171.77701.09142.71852.1215
H83.81552.41233.93823.52534.12223.39301.77171.76641.08192.63972.0933
H94.21743.60563.15242.25773.52512.61581.77701.76641.08513.25652.0543
C103.44812.56342.95312.61533.39292.50871.09141.08191.08512.37051.4576
N111.19481.19482.71783.25642.63992.37032.71852.63973.25652.37051.3490
N122.17592.17592.12142.05432.09331.45762.12152.09332.05431.45761.3490

picture of Dimethylnitroamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N11 O2 125.037 O1 N11 N12 117.469
O2 N11 N12 117.472 H3 C6 H4 109.467
H3 C6 H5 109.217 H3 C6 N12 111.867
H4 C6 H5 109.202 H4 C6 N12 106.874
H5 C6 N12 110.158 C6 N12 C10 118.766
C6 N12 N11 115.192 H7 C10 H8 109.217
H7 C10 H9 109.466 H7 C10 N12 111.867
H8 C10 H9 109.200 H8 C10 N12 110.157
H9 C10 N12 106.878 C10 N12 N11 115.205
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.761      
2 O -0.761      
3 H -0.039      
4 H -0.170      
5 H -0.130      
6 C 0.881      
7 H -0.039      
8 H -0.131      
9 H -0.169      
10 C 0.881      
11 N 0.817      
12 N -0.378      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -4.788 0.001 0.204 4.793
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.037 0.001 -0.536
y 0.001 -36.079 0.001
z -0.536 0.001 -35.367
Traceless
 xyz
x -2.314 0.001 -0.536
y 0.001 0.623 0.001
z -0.536 0.001 1.692
Polar
3z2-r23.383
x2-y2-1.958
xy0.001
xz-0.536
yz0.001


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> 145.827
(<r2>)1/2 12.076