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

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-189.226744
Energy at 298.15K 
HF Energy-189.226744
Nuclear repulsion energy122.531817
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 B3PW91/6-311G*
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 3158 3041 1.81      
2 A1 3020 2908 17.62      
3 A1 1683 1621 15.79      
4 A1 1484 1428 0.30      
5 A1 1413 1360 27.86      
6 A1 1102 1061 5.36      
7 A1 883 850 0.08      
8 A1 367 353 0.76      
9 A2 3091 2975 0.00      
10 A2 1493 1438 0.00      
11 A2 1094 1053 0.00      
12 A2 482 464 0.00      
13 A2 41i 40i 0.00      
14 B1 3085 2970 42.25      
15 B1 1518 1462 29.39      
16 B1 946 911 1.61      
17 B1 190 183 0.08      
18 B2 3157 3039 35.57      
19 B2 3020 2907 3.04      
20 B2 1473 1418 18.51      
21 B2 1395 1343 1.15      
22 B2 1180 1136 13.58      
23 B2 958 922 18.64      
24 B2 631 608 0.34      

Unscaled Zero Point Vibrational Energy (zpe) 18390.4 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 17704.4 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 B3PW91/6-311G*
ABC
0.55002 0.22564 0.17024

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.618 -0.778
N2 0.000 -0.618 -0.778
C3 0.000 1.354 0.498
C4 0.000 -1.354 0.498
H5 0.000 2.418 0.265
H6 0.000 -2.418 0.265
H7 -0.887 1.120 1.098
H8 0.887 1.120 1.098
H9 0.887 -1.120 1.098
H10 -0.887 -1.120 1.098

Atom - Atom Distances (Å)
  N1 N2 C3 C4 H5 H6 H7 H8 H9 H10
N11.23521.47302.34852.08013.20932.13482.13482.70622.7062
N21.23522.34851.47303.20932.08012.70622.70622.13482.1348
C31.47302.34852.70881.08843.77921.09621.09622.69592.6959
C42.34851.47302.70883.77921.08842.69592.69591.09621.0962
H52.08013.20931.08843.77924.83521.77901.77903.74083.7408
H63.20932.08013.77921.08844.83523.74083.74081.77901.7790
H72.13482.70621.09622.69591.77903.74081.77332.85662.2395
H82.13482.70621.09622.69591.77903.74081.77332.23952.8566
H92.70622.13482.69591.09623.74081.77902.85662.23951.7733
H102.70622.13482.69591.09623.74081.77902.23952.85661.7733

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 120.013 N1 C3 H5 107.657
N1 C3 H7 111.543 N1 C3 H8 111.543
N2 N1 C3 120.013 N2 C4 H6 107.657
N2 C4 H9 111.543 N2 C4 H10 111.543
H5 C3 H7 109.043 H5 C3 H8 109.043
H6 C4 H9 109.043 H6 C4 H10 109.043
H7 C3 H8 107.966 H9 C4 H10 107.966
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.113      
2 N -0.113      
3 C -0.612      
4 C -0.612      
5 H 0.250      
6 H 0.250      
7 H 0.238      
8 H 0.238      
9 H 0.238      
10 H 0.238      


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 3.258 3.258
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.464 0.000 0.000
y 0.000 -23.519 0.000
z 0.000 0.000 -29.008
Traceless
 xyz
x 1.799 0.000 0.000
y 0.000 3.217 0.000
z 0.000 0.000 -5.016
Polar
3z2-r2-10.033
x2-y2-0.945
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.190 0.000 0.000
y 0.000 7.294 0.000
z 0.000 0.000 5.050


<r2> (average value of r2) Å2
<r2> 79.636
(<r2>)1/2 8.924