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

using model chemistry: HF/3-21G*

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/3-21G*
 hartrees
Energy at 0K-186.996683
Energy at 298.15K-187.004202
HF Energy-186.996683
Nuclear repulsion energy119.554640
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/3-21G*
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 3295 2974 0.00      
2 Ag 3209 2897 0.00      
3 Ag 1751 1580 0.00      
4 Ag 1646 1486 0.00      
5 Ag 1568 1416 0.00      
6 Ag 1314 1186 0.00      
7 Ag 951 859 0.00      
8 Ag 625 564 0.00      
9 Au 3276 2957 39.08      
10 Au 1656 1495 15.73      
11 Au 1253 1131 0.21      
12 Au 305 275 10.52      
13 Au 160 144 2.48      
14 Bg 3276 2957 0.00      
15 Bg 1655 1493 0.00      
16 Bg 1151 1039 0.00      
17 Bg 220 199 0.00      
18 Bu 3295 2974 29.91      
19 Bu 3208 2895 40.09      
20 Bu 1658 1496 24.81      
21 Bu 1568 1415 5.11      
22 Bu 1262 1139 0.96      
23 Bu 1045 943 5.14      
24 Bu 357 322 18.91      

Unscaled Zero Point Vibrational Energy (zpe) 19851.1 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 17917.6 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/3-21G*
ABC
1.42862 0.14524 0.13857

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/3-21G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.367 0.495 0.000
N2 -0.367 -0.495 0.000
C3 -0.367 1.783 0.000
C4 0.367 -1.783 0.000
H5 -1.436 1.623 0.000
H6 1.436 -1.623 0.000
H7 -0.064 2.338 0.878
H8 -0.064 2.338 -0.878
H9 0.064 -2.338 0.878
H10 0.064 -2.338 -0.878

Atom - Atom Distances (Å)
  N1 N2 C3 C4 H5 H6 H7 H8 H9 H10
N11.23231.48252.27752.12692.37202.08652.08652.98122.9812
N21.23232.27751.48252.37202.12692.98122.98122.08652.0865
C31.48252.27753.64021.08093.85331.08201.08204.23514.2351
C42.27751.48253.64023.85331.08094.23514.23511.08201.0820
H52.12692.37201.08093.85334.33371.77911.77914.32514.3251
H62.37202.12693.85331.08094.33374.32514.32511.77911.7791
H72.08652.98121.08204.23511.77914.32511.75544.67784.9963
H82.08652.98121.08204.23511.77914.32511.75544.99634.6778
H92.98122.08654.23511.08204.32511.77914.67784.99631.7554
H102.98122.08654.23511.08204.32511.77914.99634.67781.7554

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 113.734 N1 C3 H5 111.174
N1 C3 H7 107.876 N1 C3 H8 107.876
N2 N1 C3 113.734 N2 C4 H6 111.174
N2 C4 H9 107.876 N2 C4 H10 107.876
H5 C3 H7 110.687 H5 C3 H8 110.687
H6 C4 H9 110.687 H6 C4 H10 110.687
H7 C3 H8 108.423 H9 C4 H10 108.423
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.270      
2 N -0.270      
3 C -0.402      
4 C -0.402      
5 H 0.218      
6 H 0.218      
7 H 0.227      
8 H 0.227      
9 H 0.227      
10 H 0.227      


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 -27.841 -2.163 0.000
y -2.163 -19.487 0.000
z 0.000 0.000 -24.705
Traceless
 xyz
x -5.745 -2.163 0.000
y -2.163 6.786 0.000
z 0.000 0.000 -1.041
Polar
3z2-r2-2.081
x2-y2-8.354
xy-2.163
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.858 0.104 0.000
y 0.104 7.331 0.000
z 0.000 0.000 3.520


<r2> (average value of r2) Å2
<r2> 94.420
(<r2>)1/2 9.717