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

using model chemistry: mPW1PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at mPW1PW91/3-21G*
 hartrees
Energy at 0K-188.162765
Energy at 298.15K-188.170142
HF Energy-188.162765
Nuclear repulsion energy118.450990
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 mPW1PW91/3-21G*
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 3166 3006 0.00      
2 Ag 3068 2913 0.00      
3 Ag 1562 1483 0.00      
4 Ag 1494 1419 0.00      
5 Ag 1415 1344 0.00      
6 Ag 1198 1138 0.00      
7 Ag 876 832 0.00      
8 Ag 591 561 0.00      
9 Au 3153 2994 21.10      
10 Au 1544 1466 21.76      
11 Au 1148 1090 0.23      
12 Au 285 270 9.02      
13 Au 167 158 4.34      
14 Bg 3153 2994 0.00      
15 Bg 1542 1464 0.00      
16 Bg 1049 996 0.00      
17 Bg 225 214 0.00      
18 Bu 3165 3005 23.03      
19 Bu 3067 2912 27.25      
20 Bu 1544 1466 31.81      
21 Bu 1437 1364 9.15      
22 Bu 1157 1099 1.20      
23 Bu 970 921 3.38      
24 Bu 341 324 18.00      

Unscaled Zero Point Vibrational Energy (zpe) 18657.4 cm-1
Scaled (by 0.9496) Zero Point Vibrational Energy (zpe) 17717.0 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 mPW1PW91/3-21G*
ABC
1.34354 0.14510 0.13772

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.386 0.504 0.000
N2 -0.386 -0.504 0.000
C3 -0.386 1.778 0.000
C4 0.386 -1.778 0.000
H5 -1.463 1.593 0.000
H6 1.463 -1.593 0.000
H7 -0.087 2.346 0.886
H8 -0.087 2.346 -0.886
H9 0.087 -2.346 0.886
H10 0.087 -2.346 -0.886

Atom - Atom Distances (Å)
  N1 N2 C3 C4 H5 H6 H7 H8 H9 H10
N11.26921.49042.28202.14662.35732.09822.09822.99892.9989
N21.26922.28201.49042.35732.14662.99892.99892.09822.0982
C31.49042.28203.63961.09313.84551.09361.09364.24474.2447
C42.28201.49043.63963.84551.09314.24474.24471.09361.0936
H52.14662.35731.09313.84554.32651.80151.80154.32494.3249
H62.35732.14663.84551.09314.32654.32494.32491.80151.8015
H72.09822.99891.09364.24471.80154.32491.77154.69505.0181
H82.09822.99891.09364.24471.80154.32491.77155.01814.6950
H92.99892.09824.24471.09364.32491.80154.69505.01811.7715
H102.99892.09824.24471.09364.32491.80155.01814.69501.7715

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 111.316 N1 C3 H5 111.453
N1 C3 H7 107.589 N1 C3 H8 107.589
N2 N1 C3 111.316 N2 C4 H6 111.453
N2 C4 H9 107.589 N2 C4 H10 107.589
H5 C3 H7 110.939 H5 C3 H8 110.939
H6 C4 H9 110.939 H6 C4 H10 110.939
H7 C3 H8 108.175 H9 C4 H10 108.175
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.224      
2 N -0.224      
3 C -0.486      
4 C -0.486      
5 H 0.228      
6 H 0.228      
7 H 0.241      
8 H 0.241      
9 H 0.241      
10 H 0.241      


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 -27.423 -1.951 0.000
y -1.951 -19.266 0.000
z 0.000 0.000 -24.280
Traceless
 xyz
x -5.650 -1.951 0.000
y -1.951 6.586 0.000
z 0.000 0.000 -0.936
Polar
3z2-r2-1.872
x2-y2-8.158
xy-1.951
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.077 -0.182 0.000
y -0.182 7.659 0.000
z 0.000 0.000 3.618


<r2> (average value of r2) Å2
<r2> 94.693
(<r2>)1/2 9.731