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All results from a given calculation for C2H6N2O2 (Dimethylnitroamine)

using model chemistry: MP2/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-338.254693
Energy at 298.15K-338.263529
HF Energy-337.575150
Nuclear repulsion energy251.310767
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/LANL2DZ
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 3195 3077 13.19      
2 A 3188 3070 3.49      
3 A 3149 3033 46.16      
4 A 3144 3028 0.34      
5 A 3033 2921 43.58      
6 A 3028 2917 24.91      
7 A 1684 1622 139.34      
8 A 1555 1497 48.30      
9 A 1542 1485 0.00      
10 A 1521 1465 15.51      
11 A 1514 1458 15.79      
12 A 1511 1455 8.62      
13 A 1484 1429 5.56      
14 A 1322 1273 281.61      
15 A 1303 1255 10.63      
16 A 1253 1207 52.36      
17 A 1167 1124 103.35      
18 A 1150 1108 1.76      
19 A 1070 1030 19.38      
20 A 979 943 36.02      
21 A 784 755 10.12      
22 A 670 645 12.65      
23 A 584 562 6.96      
24 A 584 562 1.31      
25 A 403 388 3.05      
26 A 322 311 1.84      
27 A 197 190 15.96      
28 A 138 133 0.08      
29 A 121 117 9.16      
30 A 114 110 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 20854.5 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 20085.0 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/LANL2DZ
ABC
0.16140 0.12499 0.07287

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.407 1.158 0.030
O2 1.407 -1.159 0.030
H3 -1.137 1.634 1.096
H4 -2.343 1.150 -0.161
H5 -0.866 2.071 -0.623
C6 -1.275 1.304 0.049
H7 -1.139 -1.633 1.096
H8 -0.865 -2.071 -0.621
H9 -2.343 -1.150 -0.164
C10 -1.275 -1.304 0.049
N11 0.809 -0.000 -0.029
N12 -0.598 0.000 -0.214

Atom - Atom Distances (Å)
  O1 O2 H3 H4 H5 C6 H7 H8 H9 C10 N11 N12
O12.31722.79873.75482.53482.68583.92564.00204.40803.64131.30502.3285
O22.31723.92484.40794.00273.64122.80062.53353.75482.68601.30502.3286
H32.79873.92481.80801.79391.10593.26664.09263.28533.12202.77922.1620
H43.75484.40791.80801.80041.09963.28273.57402.30092.68503.35822.0905
H52.53484.00271.79391.80041.09824.09214.14183.57333.46542.72892.1277
C62.68583.64121.10591.09961.09823.12113.46572.68572.60862.46001.4928
H73.92562.80063.26663.28274.09213.12111.79391.80801.10592.78032.1621
H84.00202.53354.09263.57404.14183.46571.79391.80031.09812.72812.1276
H94.40803.75483.28532.30093.57332.68571.80801.80031.09963.35832.0905
C103.64132.68603.12202.68503.46542.60861.10591.09811.09962.46011.4928
N111.30501.30502.77923.35822.72892.46002.78032.72813.35832.46011.4195
N122.32852.32862.16202.09052.12771.49282.16212.12762.09051.49281.4195

picture of Dimethylnitroamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N11 O2 125.198 O1 N11 N12 117.385
O2 N11 N12 117.390 H3 C6 H4 110.127
H3 C6 H5 108.956 H3 C6 N12 111.744
H4 C6 H5 110.008 H4 C6 N12 106.511
H5 C6 N12 109.470 C6 N12 C10 121.795
C6 N12 N11 115.255 H7 C10 H8 108.959
H7 C10 H9 110.127 H7 C10 N12 111.746
H8 C10 H9 110.007 H8 C10 N12 109.464
H9 C10 N12 106.512 C10 N12 N11 115.264
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability