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All results from a given calculation for CH3NNCH3 ((E)-1,2-Dimethyldiazene)

using model chemistry: QCISD/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at QCISD/6-31G(2df,p)
 hartrees
Energy at 0K-188.836670
Energy at 298.15K-188.844082
HF Energy-188.088322
Nuclear repulsion energy119.966878
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 QCISD/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Ag 3180 3013 0.00      
2 Ag 3081 2919 0.00      
3 Ag 1689 1600 0.00      
4 Ag 1505 1426 0.00      
5 Ag 1447 1371 0.00      
6 Ag 1242 1176 0.00      
7 Ag 950 900 0.00      
8 Ag 606 574 0.00      
9 Au 3167 3000 22.80      
10 Au 1509 1429 11.03      
11 Au 1157 1096 1.17      
12 Au 293 278 6.50      
13 Au 150 142 1.50      
14 Bg 3167 3000 0.00      
15 Bg 1508 1429 0.00      
16 Bg 1060 1004 0.00      
17 Bg 208 197 0.00      
18 Bu 3180 3013 24.32      
19 Bu 3080 2918 35.54      
20 Bu 1512 1432 18.02      
21 Bu 1445 1369 2.22      
22 Bu 1158 1097 0.85      
23 Bu 1056 1001 5.06      
24 Bu 358 339 14.12      

Unscaled Zero Point Vibrational Energy (zpe) 18852.0 cm-1
Scaled (by 0.9474) Zero Point Vibrational Energy (zpe) 17860.4 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 QCISD/6-31G(2df,p)
ABC
1.38379 0.14883 0.14145

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G(2df,p)

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.376 0.494 0.000
N2 -0.376 -0.494 0.000
C3 -0.376 1.754 0.000
C4 0.376 -1.754 0.000
H5 -1.455 1.584 0.000
H6 1.455 -1.584 0.000
H7 -0.077 2.326 0.882
H8 -0.077 2.326 -0.882
H9 0.077 -2.326 0.882
H10 0.077 -2.326 -0.882

Atom - Atom Distances (Å)
  N1 N2 C3 C4 H5 H6 H7 H8 H9 H10
N11.24231.46702.24832.13062.34162.08242.08242.96992.9699
N21.24232.24831.46702.34162.13062.96992.96992.08242.0824
C31.46702.24833.58751.09213.80701.09261.09264.19834.1983
C42.24831.46703.58753.80701.09214.19834.19831.09261.0926
H52.13062.34161.09213.80704.30141.79621.79624.29064.2906
H62.34162.13063.80701.09214.30144.29064.29061.79621.7962
H72.08242.96991.09264.19831.79624.29061.76324.65414.9769
H82.08242.96991.09264.19831.79624.29061.76324.97694.6541
H92.96992.08244.19831.09264.29061.79624.65414.97691.7632
H102.96992.08244.19831.09264.29061.79624.97694.65411.7632

picture of (E)-1,2-Dimethyldiazene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 N2 C4 111.900 N1 C3 H5 111.891
N1 C3 H7 107.999 N1 C3 H8 107.999
N2 N1 C3 111.900 N2 C4 H6 111.891
N2 C4 H9 107.999 N2 C4 H10 107.999
H5 C3 H7 110.607 H5 C3 H8 110.607
H6 C4 H9 110.607 H6 C4 H10 110.607
H7 C3 H8 107.583 H9 C4 H10 107.583
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability