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

using model chemistry: mPW1PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/6-31G
 hartrees
Energy at 0K-189.135828
Energy at 298.15K 
HF Energy-189.135828
Nuclear repulsion energy121.101381
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 mPW1PW91/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3222 3050 0.98      
2 A1 3055 2892 12.52      
3 A1 1636 1549 8.16      
4 A1 1515 1434 0.91      
5 A1 1448 1371 33.81      
6 A1 1119 1059 9.11      
7 A1 859 813 0.31      
8 A1 351 333 0.74      
9 A2 3139 2971 0.00      
10 A2 1529 1448 0.00      
11 A2 1117 1058 0.00      
12 A2 483 457 0.00      
13 A2 61i 58i 0.00      
14 B1 3133 2966 34.40      
15 B1 1552 1469 37.83      
16 B1 974 922 0.85      
17 B1 153 145 0.05      
18 B2 3221 3049 23.25      
19 B2 3056 2892 1.76      
20 B2 1505 1424 19.45      
21 B2 1434 1358 1.13      
22 B2 1193 1129 6.61      
23 B2 902 854 17.35      
24 B2 637 603 0.38      

Unscaled Zero Point Vibrational Energy (zpe) 18586.3 cm-1
Scaled (by 0.9466) Zero Point Vibrational Energy (zpe) 17593.8 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 mPW1PW91/6-31G
ABC
0.54330 0.21762 0.16505

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.627 -0.783
N2 0.000 -0.627 -0.783
C3 0.000 1.383 0.503
C4 0.000 -1.383 0.503
H5 0.000 2.440 0.252
H6 0.000 -2.440 0.252
H7 -0.888 1.154 1.104
H8 0.888 1.154 1.104
H9 0.888 -1.154 1.104
H10 -0.888 -1.154 1.104

Atom - Atom Distances (Å)
  N1 N2 C3 C4 H5 H6 H7 H8 H9 H10
N11.25421.49132.38602.08773.23732.15032.15032.74192.7419
N21.25422.38601.49133.23732.08772.74192.74192.15032.1503
C31.49132.38602.76601.08673.83161.09621.09622.75392.7539
C42.38601.49132.76603.83161.08672.75392.75391.09621.0962
H52.08773.23731.08673.83164.88071.78011.78013.79883.7988
H63.23732.08773.83161.08674.88073.79883.79881.78011.7801
H72.15032.74191.09622.75391.78013.79881.77532.91132.3074
H82.15032.74191.09622.75391.78013.79881.77532.30742.9113
H92.74192.15032.75391.09623.79881.78012.91132.30741.7753
H102.74192.15032.75391.09623.79881.78012.30742.91131.7753

picture of (Z)-1,2-Dimethyldiazene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 N2 C4 120.455 N1 C3 H5 107.109
N1 C3 H7 111.500 N1 C3 H8 111.500
N2 N1 C3 120.455 N2 C4 H6 107.109
N2 C4 H9 111.500 N2 C4 H10 111.500
H5 C3 H7 109.272 H5 C3 H8 109.272
H6 C4 H9 109.272 H6 C4 H10 109.272
H7 C3 H8 108.154 H9 C4 H10 108.154
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.171      
2 N -0.171      
3 C -0.418      
4 C -0.418      
5 H 0.212      
6 H 0.212      
7 H 0.189      
8 H 0.189      
9 H 0.189      
10 H 0.189      


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 3.843 3.843
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.468 0.000 0.000
y 0.000 -23.186 0.000
z 0.000 0.000 -29.485
Traceless
 xyz
x 1.867 0.000 0.000
y 0.000 3.790 0.000
z 0.000 0.000 -5.657
Polar
3z2-r2-11.315
x2-y2-1.282
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.817 0.000 0.000
y 0.000 6.985 0.000
z 0.000 0.000 4.612


<r2> (average value of r2) Å2
<r2> 81.515
(<r2>)1/2 9.029