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

using model chemistry: CCD/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at CCD/3-21G*
 hartrees
Energy at 0K-187.433881
Energy at 298.15K-187.441155
HF Energy-186.991197
Nuclear repulsion energy117.080068
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 CCD/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 Ag 3130 2994 0.00      
2 Ag 3044 2911 0.00      
3 Ag 1565 1497 0.00      
4 Ag 1476 1411 0.00      
5 Ag 1393 1332 0.00      
6 Ag 1189 1138 0.00      
7 Ag 862 824 0.00      
8 Ag 578 553 0.00      
9 Au 3119 2984 31.31      
10 Au 1563 1495 12.39      
11 Au 1149 1099 0.25      
12 Au 276 264 7.66      
13 Au 147 140 2.26      
14 Bg 3119 2983 0.00      
15 Bg 1562 1494 0.00      
16 Bg 1056 1010 0.00      
17 Bg 198 189 0.00      
18 Bu 3130 2994 27.34      
19 Bu 3043 2911 24.29      
20 Bu 1561 1493 15.42      
21 Bu 1456 1392 5.14      
22 Bu 1158 1108 0.38      
23 Bu 939 898 0.73      
24 Bu 339 324 15.25      

Unscaled Zero Point Vibrational Energy (zpe) 18524.0 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 17718.2 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 CCD/3-21G*
ABC
1.31464 0.14144 0.13423

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.393 0.508 0.000
N2 -0.393 -0.508 0.000
C3 -0.393 1.804 0.000
C4 0.393 -1.804 0.000
H5 -1.472 1.607 0.000
H6 1.472 -1.607 0.000
H7 -0.098 2.369 0.893
H8 -0.098 2.369 -0.893
H9 0.098 -2.369 0.893
H10 0.098 -2.369 -0.893

Atom - Atom Distances (Å)
  N1 N2 C3 C4 H5 H6 H7 H8 H9 H10
N11.28441.51592.31152.16532.37442.12202.12203.02673.0267
N21.28442.31151.51592.37442.16533.02673.02672.12202.1220
C31.51592.31153.69221.09673.88781.09711.09714.29554.2955
C42.31151.51593.69223.88781.09674.29554.29551.09711.0971
H52.16532.37441.09673.88784.35921.80721.80724.36744.3674
H62.37442.16533.88781.09674.35924.36744.36741.80721.8072
H72.12203.02671.09714.29551.80724.36741.78514.74245.0673
H82.12203.02671.09714.29551.80724.36741.78515.06734.7424
H93.02672.12204.29551.09714.36741.80724.74245.06731.7851
H103.02672.12204.29551.09714.36741.80725.06734.74241.7851

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 110.997 N1 C3 H5 110.931
N1 C3 H7 107.516 N1 C3 H8 107.516
N2 N1 C3 110.997 N2 C4 H6 110.931
N2 C4 H9 107.516 N2 C4 H10 107.516
H5 C3 H7 110.928 H5 C3 H8 110.928
H6 C4 H9 110.928 H6 C4 H10 110.928
H7 C3 H8 108.887 H9 C4 H10 108.887
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability