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

using model chemistry: B3PW91/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at B3PW91/STO-3G
 hartrees
Energy at 0K-186.836757
Energy at 298.15K-186.843800
HF Energy-186.836757
Nuclear repulsion energy115.770058
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 B3PW91/STO-3G
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 3495 3093 0.00      
2 Ag 3302 2922 0.00      
3 Ag 1652 1462 0.00      
4 Ag 1582 1400 0.00      
5 Ag 1506 1332 0.00      
6 Ag 1236 1094 0.00      
7 Ag 949 840 0.00      
8 Ag 575 509 0.00      
9 Au 3481 3081 0.04      
10 Au 1639 1450 13.10      
11 Au 1164 1030 0.50      
12 Au 283 251 5.59      
13 Au 144 128 1.11      
14 Bg 3481 3080 0.00      
15 Bg 1638 1450 0.00      
16 Bg 1065 942 0.00      
17 Bg 190 168 0.00      
18 Bu 3494 3092 1.62      
19 Bu 3301 2921 0.82      
20 Bu 1643 1454 14.31      
21 Bu 1512 1338 4.51      
22 Bu 1152 1019 2.01      
23 Bu 1043 923 8.97      
24 Bu 343 304 9.01      

Unscaled Zero Point Vibrational Energy (zpe) 19934.3 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 17641.8 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 B3PW91/STO-3G
ABC
1.22126 0.14116 0.13298

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/STO-3G

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.421 0.510 0.000
N2 -0.421 -0.510 0.000
C3 -0.421 1.799 0.000
C4 0.421 -1.799 0.000
H5 -1.504 1.591 0.000
H6 1.504 -1.591 0.000
H7 -0.144 2.382 0.895
H8 -0.144 2.382 -0.895
H9 0.144 -2.382 0.895
H10 0.144 -2.382 -0.895

Atom - Atom Distances (Å)
  N1 N2 C3 C4 H5 H6 H7 H8 H9 H10
N11.32271.53982.30832.20842.36342.15072.15073.03973.0397
N21.32272.30831.53982.36342.20843.03973.03972.15072.1507
C31.53982.30833.69451.10273.89831.10361.10364.31254.3125
C42.30831.53983.69453.89831.10274.31254.31251.10361.1036
H52.20842.36341.10273.89834.37901.81021.81024.39344.3934
H62.36342.20843.89831.10274.37904.39344.39341.81021.8102
H72.15073.03971.10364.31251.81024.39341.78974.77275.0972
H82.15073.03971.10364.31251.81024.39341.78975.09724.7727
H93.03972.15074.31251.10364.39341.81024.77275.09721.7897
H103.03972.15074.31251.10364.39341.81025.09724.77271.7897

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 107.248 N1 C3 H5 112.321
N1 C3 H7 107.756 N1 C3 H8 107.756
N2 N1 C3 107.248 N2 C4 H6 112.321
N2 C4 H9 107.756 N2 C4 H10 107.756
H5 C3 H7 110.262 H5 C3 H8 110.262
H6 C4 H9 110.262 H6 C4 H10 110.262
H7 C3 H8 108.352 H9 C4 H10 108.352
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.109      
2 N -0.109      
3 C -0.177      
4 C -0.177      
5 H 0.096      
6 H 0.096      
7 H 0.095      
8 H 0.095      
9 H 0.095      
10 H 0.095      


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 -25.182 -1.799 0.000
y -1.799 -19.418 0.000
z 0.000 0.000 -22.669
Traceless
 xyz
x -4.139 -1.799 0.000
y -1.799 4.508 0.000
z 0.000 0.000 -0.369
Polar
3z2-r2-0.738
x2-y2-5.764
xy-1.799
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.173 -0.142 0.000
y -0.142 5.218 0.000
z 0.000 0.000 2.000


<r2> (average value of r2) Å2
<r2> 96.646
(<r2>)1/2 9.831