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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-33.771123
Energy at 298.15K-33.778695
HF Energy-33.771123
Nuclear repulsion energy67.987466
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 3318 2980 0.00      
2 Ag 3226 2897 0.00      
3 Ag 1946 1747 0.00      
4 Ag 1610 1446 0.00      
5 Ag 1564 1405 0.00      
6 Ag 1342 1205 0.00      
7 Ag 1030 925 0.00      
8 Ag 634 570 0.00      
9 Au 3298 2961 111.03      
10 Au 1609 1445 11.82      
11 Au 1247 1119 3.75      
12 Au 312 280 8.37      
13 Au 161 145 1.42      
14 Bg 3298 2961 0.00      
15 Bg 1608 1444 0.00      
16 Bg 1142 1026 0.00      
17 Bg 225 202 0.00      
18 Bu 3318 2980 88.16      
19 Bu 3223 2894 115.48      
20 Bu 1614 1450 22.36      
21 Bu 1558 1399 12.49      
22 Bu 1244 1118 2.99      
23 Bu 1141 1024 11.66      
24 Bu 376 338 15.84      

Unscaled Zero Point Vibrational Energy (zpe) 20021.8 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 17979.6 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
1.41972 0.14832 0.14133

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 0.367 0.492 0.000
N2 -0.367 -0.492 0.000
C3 -0.367 1.759 0.000
C4 0.367 -1.759 0.000
H5 -1.445 1.605 0.000
H6 1.445 -1.605 0.000
H7 -0.063 2.326 0.881
H8 -0.063 2.326 -0.881
H9 0.063 -2.326 0.881
H10 0.063 -2.326 -0.881

Atom - Atom Distances (Å)
  N1 N2 C3 C4 H5 H6 H7 H8 H9 H10
N11.22811.46382.25132.12632.35812.07932.07932.96872.9687
N21.22812.25131.46382.35812.12632.96872.96872.07932.0793
C31.46382.25133.59361.08933.82071.09091.09094.20114.2011
C42.25131.46383.59363.82071.08934.20114.20111.09091.0909
H52.12632.35811.08933.82074.31911.79091.79094.30144.3014
H62.35812.12633.82071.08934.31914.30144.30141.79091.7909
H72.07932.96871.09094.20111.79094.30141.76164.65424.9764
H82.07932.96871.09094.20111.79094.30141.76164.97644.6542
H92.96872.07934.20111.09094.30141.79094.65424.97641.7616
H102.96872.07934.20111.09094.30141.79094.97644.65421.7616

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 113.223 N1 C3 H5 111.944
N1 C3 H7 108.075 N1 C3 H8 108.075
N2 N1 C3 113.223 N2 C4 H6 111.944
N2 C4 H9 108.075 N2 C4 H10 108.075
H5 C3 H7 110.461 H5 C3 H8 110.461
H6 C4 H9 110.461 H6 C4 H10 110.461
H7 C3 H8 107.682 H9 C4 H10 107.682
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 -0.073      
2 N -0.073      
3 C -0.395      
4 C -0.395      
5 H 0.170      
6 H 0.170      
7 H 0.149      
8 H 0.149      
9 H 0.149      
10 H 0.149      


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 -27.526 -1.882 0.000
y -1.882 -19.975 0.000
z 0.000 0.000 -24.321
Traceless
 xyz
x -5.379 -1.882 0.000
y -1.882 5.949 0.000
z 0.000 0.000 -0.570
Polar
3z2-r2-1.141
x2-y2-7.552
xy-1.882
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.091 0.306 0.000
y 0.306 7.284 0.000
z 0.000 0.000 3.649


<r2> (average value of r2) Å2
<r2> 78.644
(<r2>)1/2 8.868