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

using model chemistry: HF/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/CEP-121G*
 hartrees
Energy at 0K-33.761782
Energy at 298.15K 
HF Energy-33.761782
Nuclear repulsion energy69.699335
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 HF/CEP-121G*
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 3312 2992 4.76      
2 A1 3192 2884 36.04      
3 A1 1897 1714 11.45      
4 A1 1616 1459 0.02      
5 A1 1564 1413 4.54      
6 A1 1211 1094 1.62      
7 A1 977 883 6.92      
8 A1 391 353 0.34      
9 A2 3255 2940 0.00      
10 A2 1624 1467 0.00      
11 A2 1209 1092 0.00      
12 A2 508 459 0.00      
13 A2 71i 64i 0.00      
14 B1 3261 2946 80.15      
15 B1 1648 1489 19.35      
16 B1 1069 965 10.34      
17 B1 220 199 1.00      
18 B2 3310 2990 71.35      
19 B2 3184 2876 11.70      
20 B2 1602 1447 8.51      
21 B2 1543 1394 12.24      
22 B2 1291 1166 37.43      
23 B2 1094 988 1.08      
24 B2 672 607 1.40      

Unscaled Zero Point Vibrational Energy (zpe) 19788.4 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 17876.9 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 HF/CEP-121G*
ABC
0.55539 0.22554 0.17061

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.611 -0.774
N2 0.000 -0.611 -0.774
C3 0.000 1.358 0.497
C4 0.000 -1.358 0.497
H5 0.000 2.411 0.251
H6 0.000 -2.411 0.251
H7 -0.883 1.134 1.090
H8 0.883 1.134 1.090
H9 0.883 -1.134 1.090
H10 -0.883 -1.134 1.090

Atom - Atom Distances (Å)
  N1 N2 C3 C4 H5 H6 H7 H8 H9 H10
N11.22211.47382.34322.07113.19092.12792.12792.70202.7020
N21.22212.34321.47383.19092.07112.70202.70202.12792.1279
C31.47382.34322.71541.08143.77651.08711.08712.70972.7097
C42.34321.47382.71543.77651.08142.70972.70971.08711.0871
H52.07113.19091.08143.77654.82161.76451.76453.74863.7486
H63.19092.07113.77651.08144.82163.74863.74861.76451.7645
H72.12792.70201.08712.70971.76453.74861.76642.87522.2687
H82.12792.70201.08712.70971.76453.74861.76642.26872.8752
H92.70202.12792.70971.08713.74861.76452.87522.26871.7664
H102.70202.12792.70971.08713.74861.76452.26872.87521.7664

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 120.439 N1 C3 H5 107.296
N1 C3 H7 111.494 N1 C3 H8 111.494
N2 N1 C3 120.439 N2 C4 H6 107.296
N2 C4 H9 111.494 N2 C4 H10 111.494
H5 C3 H7 108.915 H5 C3 H8 108.915
H6 C4 H9 108.915 H6 C4 H10 108.915
H7 C3 H8 108.662 H9 C4 H10 108.662
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.093      
2 N -0.093      
3 C -0.469      
4 C -0.469      
5 H 0.207      
6 H 0.207      
7 H 0.177      
8 H 0.177      
9 H 0.177      
10 H 0.177      


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 3.474 3.474
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.561 0.000 0.000
y 0.000 -23.425 0.000
z 0.000 0.000 -29.491
Traceless
 xyz
x 1.897 0.000 0.000
y 0.000 3.601 0.000
z 0.000 0.000 -5.498
Polar
3z2-r2-10.996
x2-y2-1.137
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.161 0.000 0.000
y 0.000 7.053 0.000
z 0.000 0.000 4.744


<r2> (average value of r2) Å2
<r2> 67.345
(<r2>)1/2 8.206