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

using model chemistry: B3PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/6-31G
 hartrees
Energy at 0K-189.116563
Energy at 298.15K 
HF Energy-189.116563
Nuclear repulsion energy120.758336
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 B3PW91/6-31G
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 3203 3067 1.19      
2 A1 3038 2909 13.15      
3 A1 1612 1544 7.87      
4 A1 1505 1442 0.83      
5 A1 1435 1374 34.16      
6 A1 1109 1062 9.16      
7 A1 841 805 0.55      
8 A1 347 332 0.79      
9 A2 3121 2989 0.00      
10 A2 1520 1456 0.00      
11 A2 1107 1060 0.00      
12 A2 478 458 0.00      
13 A2 63i 60i 0.00      
14 B1 3115 2983 36.27      
15 B1 1543 1478 36.46      
16 B1 964 923 0.76      
17 B1 147 141 0.03      
18 B2 3201 3066 25.06      
19 B2 3038 2909 1.83      
20 B2 1496 1432 18.45      
21 B2 1422 1362 1.10      
22 B2 1183 1133 6.47      
23 B2 881 844 19.36      
24 B2 631 604 0.24      

Unscaled Zero Point Vibrational Energy (zpe) 18436.7 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 17656.8 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 B3PW91/6-31G
ABC
0.54028 0.21621 0.16399

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.629 -0.785
N2 0.000 -0.629 -0.785
C3 0.000 1.388 0.505
C4 0.000 -1.388 0.505
H5 0.000 2.447 0.252
H6 0.000 -2.447 0.252
H7 -0.889 1.159 1.106
H8 0.889 1.159 1.106
H9 0.889 -1.159 1.106
H10 -0.889 -1.159 1.106

Atom - Atom Distances (Å)
  N1 N2 C3 C4 H5 H6 H7 H8 H9 H10
N11.25721.49662.39372.09273.24522.15592.15592.74992.7499
N21.25722.39371.49663.24522.09272.74992.74992.15592.1559
C31.49662.39372.77591.08853.84291.09781.09782.76392.7639
C42.39371.49662.77593.84291.08852.76392.76391.09781.0978
H52.09273.24521.08853.84294.89321.78301.78303.81063.8106
H63.24522.09273.84291.08854.89323.81063.81061.78301.7830
H72.15592.74991.09782.76391.78303.81061.77882.92172.3178
H82.15592.74991.09782.76391.78303.81061.77882.31782.9217
H92.74992.15592.76391.09783.81061.78302.92172.31781.7788
H102.74992.15592.76391.09783.81061.78302.31782.92171.7788

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 120.491 N1 C3 H5 107.044
N1 C3 H7 111.480 N1 C3 H8 111.480
N2 N1 C3 120.491 N2 C4 H6 107.044
N2 C4 H9 111.480 N2 C4 H10 111.480
H5 C3 H7 109.289 H5 C3 H8 109.289
H6 C4 H9 109.289 H6 C4 H10 109.289
H7 C3 H8 108.224 H9 C4 H10 108.224
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.168      
2 N -0.168      
3 C -0.410      
4 C -0.410      
5 H 0.207      
6 H 0.207      
7 H 0.185      
8 H 0.185      
9 H 0.185      
10 H 0.185      


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 3.810 3.810
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.465 0.000 0.000
y 0.000 -23.199 0.000
z 0.000 0.000 -29.460
Traceless
 xyz
x 1.865 0.000 0.000
y 0.000 3.763 0.000
z 0.000 0.000 -5.628
Polar
3z2-r2-11.256
x2-y2-1.266
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.845 0.000 0.000
y 0.000 7.066 0.000
z 0.000 0.000 4.667


<r2> (average value of r2) Å2
<r2> 81.916
(<r2>)1/2 9.051