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

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G
 hartrees
Energy at 0K-188.958954
Energy at 298.15K 
HF Energy-188.958954
Nuclear repulsion energy121.116074
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 PBE1PBE/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 3218 3076 0.85      
2 A1 3049 2915 11.62      
3 A1 1636 1564 8.21      
4 A1 1510 1444 0.94      
5 A1 1443 1380 34.78      
6 A1 1116 1067 9.19      
7 A1 862 824 0.34      
8 A1 354 338 0.76      
9 A2 3134 2996 0.00      
10 A2 1523 1456 0.00      
11 A2 1114 1065 0.00      
12 A2 484 462 0.00      
13 A2 49i 47i 0.00      
14 B1 3127 2989 32.08      
15 B1 1547 1478 38.62      
16 B1 970 928 0.72      
17 B1 158 151 0.04      
18 B2 3217 3075 21.60      
19 B2 3050 2915 1.48      
20 B2 1499 1433 20.12      
21 B2 1429 1366 0.94      
22 B2 1190 1138 6.13      
23 B2 905 865 17.46      
24 B2 638 610 0.40      

Unscaled Zero Point Vibrational Energy (zpe) 18561.4 cm-1
Scaled (by 0.9559) Zero Point Vibrational Energy (zpe) 17742.9 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 PBE1PBE/6-31G
ABC
0.54284 0.21803 0.16525

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/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 1.381 0.503
C4 0.000 -1.381 0.503
H5 0.000 2.440 0.254
H6 0.000 -2.440 0.254
H7 -0.888 1.150 1.105
H8 0.888 1.150 1.105
H9 0.888 -1.150 1.105
H10 -0.888 -1.150 1.105

Atom - Atom Distances (Å)
  N1 N2 C3 C4 H5 H6 H7 H8 H9 H10
N11.25461.49052.38472.08853.23802.15092.15092.74092.7409
N21.25462.38471.49053.23802.08852.74092.74092.15092.1509
C31.49052.38472.76221.08803.82951.09761.09762.74952.7495
C42.38471.49052.76223.82951.08802.74952.74951.09761.0976
H52.08853.23801.08803.82954.88061.78251.78253.79553.7955
H63.23802.08853.82951.08804.88063.79553.79551.78251.7825
H72.15092.74091.09762.74951.78253.79551.77682.90702.3007
H82.15092.74091.09762.74951.78253.79551.77682.30072.9070
H92.74092.15092.74951.09763.79551.78252.90702.30071.7768
H102.74092.15092.74951.09763.79551.78252.30072.90701.7768

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 120.383 N1 C3 H5 107.152
N1 C3 H7 111.514 N1 C3 H8 111.514
N2 N1 C3 120.383 N2 C4 H6 107.152
N2 C4 H9 111.514 N2 C4 H10 111.514
H5 C3 H7 109.278 H5 C3 H8 109.278
H6 C4 H9 109.278 H6 C4 H10 109.278
H7 C3 H8 108.071 H9 C4 H10 108.071
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.170      
2 N -0.170      
3 C -0.423      
4 C -0.423      
5 H 0.213      
6 H 0.213      
7 H 0.190      
8 H 0.190      
9 H 0.190      
10 H 0.190      


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 3.836 3.836
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.538 0.000 0.000
y 0.000 -23.275 0.000
z 0.000 0.000 -29.552
Traceless
 xyz
x 1.876 0.000 0.000
y 0.000 3.769 0.000
z 0.000 0.000 -5.645
Polar
3z2-r2-11.291
x2-y2-1.262
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.825 0.000 0.000
y 0.000 6.996 0.000
z 0.000 0.000 4.625


<r2> (average value of r2) Å2
<r2> 81.492
(<r2>)1/2 9.027