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All results from a given calculation for C2H6N2O2 (Dimethylnitroamine)

using model chemistry: MP2/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/Def2TZVPP
 hartrees
Energy at 0K-339.086562
Energy at 298.15K-339.095800
HF Energy-337.839923
Nuclear repulsion energy261.570062
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 MP2/Def2TZVPP
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 3228 3071 1.52      
2 A 3225 3068 1.27      
3 A 3179 3025 22.55      
4 A 3175 3021 0.09      
5 A 3071 2922 39.76      
6 A 3068 2919 15.49      
7 A 1733 1649 235.73      
8 A 1535 1460 54.06      
9 A 1513 1440 0.12      
10 A 1512 1439 16.22      
11 A 1495 1422 11.28      
12 A 1488 1416 32.58      
13 A 1447 1376 3.28      
14 A 1357 1291 283.20      
15 A 1332 1267 6.24      
16 A 1281 1219 2.07      
17 A 1165 1109 71.33      
18 A 1136 1081 2.17      
19 A 1066 1014 11.52      
20 A 1021 972 63.58      
21 A 870 828 17.71      
22 A 791 753 13.29      
23 A 637 607 1.65      
24 A 620 590 6.20      
25 A 420 400 3.08      
26 A 360 342 1.36      
27 A 234 223 12.94      
28 A 167 159 0.30      
29 A 166 158 5.15      
30 A 117 111 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 21203.5 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 20175.1 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 MP2/Def2TZVPP
ABC
0.17658 0.13451 0.07957

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/Def2TZVPP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.329 1.092 0.071
O2 1.329 -1.092 0.071
H3 -1.096 1.486 1.130
H4 -2.267 1.141 -0.165
H5 -0.793 2.057 -0.518
C6 -1.213 1.251 0.070
H7 -1.096 -1.486 1.130
H8 -0.793 -2.057 -0.518
H9 -2.267 -1.141 -0.165
C10 -1.213 -1.251 0.070
N11 0.798 0.000 -0.126
N12 -0.569 0.000 -0.284

Atom - Atom Distances (Å)
  O1 O2 H3 H4 H5 C6 H7 H8 H9 C10 N11 N12
O12.18472.67593.60462.40462.54743.69473.84324.24003.45781.23032.2184
O22.18473.69474.23993.84333.45782.67582.40433.60442.54731.23032.2184
H32.67593.69471.77921.77081.09182.97113.91923.15362.93722.71532.1174
H43.60464.23991.77921.77161.08553.15353.53942.28182.62463.27122.0495
H52.40463.84331.77081.77161.08273.91924.11463.53943.38662.63032.0827
C62.54743.45781.09181.08551.08272.93723.38662.62462.50252.37691.4511
H73.69472.67582.97113.15353.91922.93721.77081.77921.09182.71532.1174
H83.84322.40433.91923.53944.11463.38661.77081.77161.08272.63022.0827
H94.24003.60443.15362.28183.53942.62461.77921.77161.08553.27112.0495
C103.45782.54732.93722.62463.38662.50251.09181.08271.08552.37691.4511
N111.23031.23032.71533.27122.63032.37692.71532.63023.27112.37691.3762
N122.21842.21842.11742.04952.08271.45112.11742.08272.04951.45111.3762

picture of Dimethylnitroamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N11 O2 125.209 O1 N11 N12 116.556
O2 N11 N12 116.552 H3 C6 H4 109.600
H3 C6 H5 109.038 H3 C6 N12 111.966
H4 C6 H5 109.585 H4 C6 N12 106.909
H5 C6 N12 109.706 C6 N12 C10 119.143
C6 N12 N11 114.402 H7 C10 H8 109.038
H7 C10 H9 109.600 H7 C10 N12 111.966
H8 C10 H9 109.585 H8 C10 N12 109.705
H9 C10 N12 106.909 C10 N12 N11 114.399
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability