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All results from a given calculation for C2H6N2O2 (Dimethylnitroamine)

using model chemistry: mPW1PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/3-21G
 hartrees
Energy at 0K-337.667127
Energy at 298.15K-337.675949
Nuclear repulsion energy256.832983
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 mPW1PW91/3-21G
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 3206 3061 5.78      
2 A 3201 3055 0.76      
3 A 3164 3020 21.44      
4 A 3160 3017 0.03      
5 A 3079 2939 23.50      
6 A 3073 2934 16.81      
7 A 1585 1513 37.27      
8 A 1574 1502 6.16      
9 A 1552 1482 19.58      
10 A 1539 1469 6.65      
11 A 1511 1443 17.88      
12 A 1486 1419 0.07      
13 A 1426 1361 130.58      
14 A 1317 1257 7.80      
15 A 1277 1219 45.02      
16 A 1210 1155 91.99      
17 A 1160 1107 2.83      
18 A 1154 1101 160.11      
19 A 1070 1021 19.03      
20 A 986 941 7.91      
21 A 794 758 3.32      
22 A 711 679 22.38      
23 A 604 576 9.84      
24 A 589 562 2.13      
25 A 403 385 5.96      
26 A 340 325 3.81      
27 A 161 154 5.52      
28 A 148 141 0.01      
29 A 134 128 0.29      
30 A 74 71 6.22      

Unscaled Zero Point Vibrational Energy (zpe) 20843.4 cm-1
Scaled (by 0.9546) Zero Point Vibrational Energy (zpe) 19897.1 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 mPW1PW91/3-21G
ABC
0.16461 0.13408 0.07629

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.356 -1.145 0.024
O2 -1.356 1.145 0.024
H3 1.084 -1.670 1.056
H4 2.292 -1.173 -0.165
H5 0.799 -2.015 -0.660
C6 1.229 -1.296 0.037
H7 1.085 1.670 1.056
H8 0.798 2.015 -0.660
H9 2.292 1.173 -0.166
C10 1.229 1.296 0.037
N11 -0.791 -0.000 -0.027
N12 0.591 0.000 -0.157

Atom - Atom Distances (Å)
  O1 O2 H3 H4 H5 C6 H7 H8 H9 C10 N11 N12
O12.28932.70073.65312.42212.58873.86593.88454.32623.55491.27752.2652
O22.28933.86554.32623.88493.55492.70142.42133.65302.58871.27752.2652
H32.70073.86551.78891.77381.09563.34064.07563.32293.14052.73442.1224
H43.65314.32621.78891.78481.08993.32183.55562.34612.69633.30162.0668
H52.42213.88491.77381.78481.08954.07554.03023.55523.41122.64342.0874
C62.58873.55491.09561.08991.08953.14023.41132.69662.59282.40041.4577
H73.86592.70143.34063.32184.07553.14021.77381.78891.09562.73492.1224
H83.88452.42134.07563.55564.03023.41131.77381.78481.08952.64292.0874
H94.32623.65303.32292.34613.55522.69661.78891.78481.08993.30162.0668
C103.55492.58873.14052.69633.41122.59281.09561.08951.08992.40041.4577
N111.27751.27752.73443.30162.64342.40042.73492.64293.30162.40041.3875
N122.26522.26522.12242.06682.08741.45772.12242.08742.06681.45771.3875

picture of Dimethylnitroamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N11 O2 127.277 O1 N11 N12 116.361
O2 N11 N12 116.361 H3 C6 H4 109.880
H3 C6 H5 108.536 H3 C6 N12 111.667
H4 C6 H5 109.960 H4 C6 N12 107.569
H5 C6 N12 109.219 C6 N12 C10 125.586
C6 N12 N11 115.041 H7 C10 H8 108.536
H7 C10 H9 109.881 H7 C10 N12 111.670
H8 C10 H9 109.961 H8 C10 N12 109.214
H9 C10 N12 107.569 C10 N12 N11 115.040
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.322      
2 O -0.322      
3 H 0.246      
4 H 0.232      
5 H 0.273      
6 C -0.432      
7 H 0.246      
8 H 0.273      
9 H 0.232      
10 C -0.432      
11 N 0.403      
12 N -0.397      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.642 0.000 0.201 4.646
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.524 -0.000 0.415
y -0.000 -35.027 -0.001
z 0.415 -0.001 -34.671
Traceless
 xyz
x -1.675 -0.000 0.415
y -0.000 0.571 -0.001
z 0.415 -0.001 1.104
Polar
3z2-r22.208
x2-y2-1.497
xy-0.000
xz0.415
yz-0.001


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> 151.531
(<r2>)1/2 12.310