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

using model chemistry: LSDA/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 LSDA/6-31G(2df,p)
 hartrees
Energy at 0K-188.259601
Energy at 298.15K-188.267009
HF Energy-188.259601
Nuclear repulsion energy120.764528
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 LSDA/6-31G(2df,p)
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 3056 3007 0.00      
2 Ag 2950 2903 0.00      
3 Ag 1656 1629 0.00      
4 Ag 1387 1365 0.00      
5 Ag 1325 1304 0.00      
6 Ag 1188 1169 0.00      
7 Ag 919 904 0.00      
8 Ag 598 588 0.00      
9 Au 3047 2998 6.18      
10 Au 1391 1369 17.15      
11 Au 1083 1066 0.01      
12 Au 289 284 6.63      
13 Au 175 172 4.78      
14 Bg 3047 2998 0.00      
15 Bg 1390 1368 0.00      
16 Bg 986 970 0.00      
17 Bg 244 240 0.00      
18 Bu 3055 3006 20.45      
19 Bu 2949 2902 34.53      
20 Bu 1397 1375 31.41      
21 Bu 1329 1308 9.43      
22 Bu 1084 1067 2.42      
23 Bu 1064 1047 17.84      
24 Bu 346 340 18.03      

Unscaled Zero Point Vibrational Energy (zpe) 17976.3 cm-1
Scaled (by 0.984) Zero Point Vibrational Energy (zpe) 17688.7 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 LSDA/6-31G(2df,p)
ABC
1.39103 0.15178 0.14420

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.370 0.498 0.000
N2 -0.370 -0.498 0.000
C3 -0.370 1.731 0.000
C4 0.370 -1.731 0.000
H5 -1.462 1.564 0.000
H6 1.462 -1.564 0.000
H7 -0.065 2.320 0.883
H8 -0.065 2.320 -0.883
H9 0.065 -2.320 0.883
H10 0.065 -2.320 -0.883

Atom - Atom Distances (Å)
  N1 N2 C3 C4 H5 H6 H7 H8 H9 H10
N11.24121.43732.22902.11962.33392.07022.07022.96892.9689
N21.24122.22901.43732.33392.11962.96892.96892.07022.0702
C31.43732.22903.53941.10513.76991.10431.10434.16834.1683
C42.22901.43733.53943.76991.10514.16834.16831.10431.1043
H52.11962.33391.10513.76994.28241.81771.81774.26564.2656
H62.33392.11963.76991.10514.28244.26564.26561.81771.8177
H72.07022.96891.10434.16831.81774.26561.76534.64164.9659
H82.07022.96891.10434.16831.81774.26561.76534.96594.6416
H92.96892.07024.16831.10434.26561.81774.64164.96591.7653
H102.96892.07024.16831.10434.26561.81774.96594.64161.7653

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 112.444 N1 C3 H5 112.304
N1 C3 H7 108.374 N1 C3 H8 108.374
N2 N1 C3 112.444 N2 C4 H6 112.304
N2 C4 H9 108.374 N2 C4 H10 108.374
H5 C3 H7 110.717 H5 C3 H8 110.717
H6 C4 H9 110.717 H6 C4 H10 110.717
H7 C3 H8 106.122 H9 C4 H10 106.122
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.072      
2 N -0.072      
3 C -0.419      
4 C -0.419      
5 H 0.150      
6 H 0.150      
7 H 0.171      
8 H 0.171      
9 H 0.171      
10 H 0.171      


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


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.251 -1.346 0.000
y -1.346 -19.873 0.000
z 0.000 0.000 -24.186
Traceless
 xyz
x -5.221 -1.346 0.000
y -1.346 5.846 0.000
z 0.000 0.000 -0.625
Polar
3z2-r2-1.249
x2-y2-7.378
xy-1.346
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.973 -0.365 0.000
y -0.365 8.737 0.000
z 0.000 0.000 4.364


<r2> (average value of r2) Å2
<r2> 91.650
(<r2>)1/2 9.573