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

using model chemistry: HF/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at HF/CEP-31G
 hartrees
Energy at 0K-33.672623
Energy at 298.15K-33.680176
HF Energy-33.672623
Nuclear repulsion energy67.337460
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-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 Ag 3328 3000 0.00      
2 Ag 3223 2905 0.00      
3 Ag 1852 1670 0.00      
4 Ag 1621 1461 0.00      
5 Ag 1574 1419 0.00      
6 Ag 1335 1203 0.00      
7 Ag 1012 912 0.00      
8 Ag 616 555 0.00      
9 Au 3317 2990 117.42      
10 Au 1621 1461 23.53      
11 Au 1261 1137 1.23      
12 Au 309 279 13.08      
13 Au 163 147 1.96      
14 Bg 3317 2990 0.00      
15 Bg 1620 1461 0.00      
16 Bg 1161 1047 0.00      
17 Bg 225 203 0.00      
18 Bu 3328 3000 90.29      
19 Bu 3220 2902 117.31      
20 Bu 1625 1465 33.18      
21 Bu 1570 1416 3.32      
22 Bu 1257 1133 2.71      
23 Bu 1133 1022 13.04      
24 Bu 357 322 19.12      

Unscaled Zero Point Vibrational Energy (zpe) 20023.5 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 18049.1 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-31G
ABC
1.43239 0.14350 0.13705

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.363 0.508 0.000
N2 -0.363 -0.508 0.000
C3 -0.363 1.791 0.000
C4 0.363 -1.791 0.000
H5 -1.440 1.642 0.000
H6 1.440 -1.642 0.000
H7 -0.056 2.353 0.880
H8 -0.056 2.353 -0.880
H9 0.056 -2.353 0.880
H10 0.056 -2.353 -0.880

Atom - Atom Distances (Å)
  N1 N2 C3 C4 H5 H6 H7 H8 H9 H10
N11.24911.47392.29922.13002.40502.08592.08593.00873.0087
N21.24912.29921.47392.40502.13003.00873.00872.08592.0859
C31.47392.29923.65471.08733.87781.08781.08784.25654.2565
C42.29921.47393.65473.87781.08734.25654.25651.08781.0878
H52.13002.40501.08733.87784.36831.78711.78714.35544.3554
H62.40502.13003.87781.08734.36834.35544.35541.78711.7871
H72.08593.00871.08784.25651.78714.35541.75944.70645.0245
H82.08593.00871.08784.25651.78714.35541.75945.02454.7064
H93.00872.08594.25651.08784.35541.78714.70645.02451.7594
H103.00872.08594.25651.08784.35541.78715.02454.70641.7594

picture of (E)-1,2-Dimethyldiazene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 N2 C4 114.955 N1 C3 H5 111.642
N1 C3 H7 108.079 N1 C3 H8 108.079
N2 N1 C3 114.955 N2 C4 H6 111.642
N2 C4 H9 108.079 N2 C4 H10 108.079
H5 C3 H7 110.492 H5 C3 H8 110.492
H6 C4 H9 110.492 H6 C4 H10 110.492
H7 C3 H8 107.931 H9 C4 H10 107.931
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.098      
2 N -0.098      
3 C -0.382      
4 C -0.382      
5 H 0.168      
6 H 0.168      
7 H 0.156      
8 H 0.156      
9 H 0.156      
10 H 0.156      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.343 -2.403 0.000
y -2.403 -19.138 0.000
z 0.000 0.000 -24.524
Traceless
 xyz
x -6.513 -2.403 0.000
y -2.403 7.296 0.000
z 0.000 0.000 -0.783
Polar
3z2-r2-1.567
x2-y2-9.206
xy-2.403
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.957 0.436 0.000
y 0.436 7.380 0.000
z 0.000 0.000 3.479


<r2> (average value of r2) Å2
<r2> 80.392
(<r2>)1/2 8.966