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

using model chemistry: B3LYP/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 B3LYP/3-21G*
 hartrees
Energy at 0K-188.215702
Energy at 298.15K-188.223043
HF Energy-188.215702
Nuclear repulsion energy117.896422
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 B3LYP/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 3135 3016 0.00      
2 Ag 3046 2931 0.00      
3 Ag 1552 1493 0.00      
4 Ag 1475 1419 0.00      
5 Ag 1395 1342 0.00      
6 Ag 1182 1137 0.00      
7 Ag 855 823 0.00      
8 Ag 580 558 0.00      
9 Au 3121 3002 27.57      
10 Au 1543 1485 17.63      
11 Au 1141 1097 0.02      
12 Au 280 270 7.97      
13 Au 167 161 3.93      
14 Bg 3121 3002 0.00      
15 Bg 1541 1483 0.00      
16 Bg 1042 1002 0.00      
17 Bg 225 216 0.00      
18 Bu 3134 3015 28.81      
19 Bu 3045 2929 32.20      
20 Bu 1542 1484 26.00      
21 Bu 1431 1376 5.10      
22 Bu 1149 1105 0.66      
23 Bu 935 899 3.11      
24 Bu 339 326 16.65      

Unscaled Zero Point Vibrational Energy (zpe) 18486.5 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 17784.0 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 B3LYP/3-21G*
ABC
1.33429 0.14351 0.13622

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.389 0.505 0.000
N2 -0.389 -0.505 0.000
C3 -0.389 1.789 0.000
C4 0.389 -1.789 0.000
H5 -1.467 1.605 0.000
H6 1.467 -1.605 0.000
H7 -0.089 2.356 0.887
H8 -0.089 2.356 -0.887
H9 0.089 -2.356 0.887
H10 0.089 -2.356 -0.887

Atom - Atom Distances (Å)
  N1 N2 C3 C4 H5 H6 H7 H8 H9 H10
N11.27431.50102.29412.15672.36902.10752.10753.01043.0104
N21.27432.29411.50102.36902.15673.01043.01042.10752.1075
C31.50102.29413.66171.09393.86771.09451.09454.26604.2660
C42.29411.50103.66173.86771.09394.26604.26601.09451.0945
H52.15672.36901.09393.86774.34781.80291.80294.34674.3467
H62.36902.15673.86771.09394.34784.34674.34671.80291.8029
H72.10753.01041.09454.26601.80294.34671.77374.71585.0383
H82.10753.01041.09454.26601.80294.34671.77375.03834.7158
H93.01042.10754.26601.09454.34671.80294.71585.03831.7737
H103.01042.10754.26601.09454.34671.80295.03834.71581.7737

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 111.237 N1 C3 H5 111.467
N1 C3 H7 107.546 N1 C3 H8 107.546
N2 N1 C3 111.237 N2 C4 H6 111.467
N2 C4 H9 107.546 N2 C4 H10 107.546
H5 C3 H7 110.941 H5 C3 H8 110.941
H6 C4 H9 110.941 H6 C4 H10 110.941
H7 C3 H8 108.241 H9 C4 H10 108.241
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.213      
2 N -0.213      
3 C -0.421      
4 C -0.421      
5 H 0.203      
6 H 0.203      
7 H 0.216      
8 H 0.216      
9 H 0.216      
10 H 0.216      


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 -27.483 -1.878 0.000
y -1.878 -19.573 0.000
z 0.000 0.000 -24.341
Traceless
 xyz
x -5.526 -1.878 0.000
y -1.878 6.339 0.000
z 0.000 0.000 -0.814
Polar
3z2-r2-1.627
x2-y2-7.910
xy-1.878
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.109 -0.231 0.000
y -0.231 7.783 0.000
z 0.000 0.000 3.635


<r2> (average value of r2) Å2
<r2> 95.608
(<r2>)1/2 9.778