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

using model chemistry: B2PLYP/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 B2PLYP/3-21G*
 hartrees
Energy at 0K-187.937532
Energy at 298.15K-187.944847
HF Energy-187.796323
Nuclear repulsion energy117.538649
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 B2PLYP/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 3166 3166 0.00      
2 Ag 3075 3075 0.00      
3 Ag 1567 1567 0.00      
4 Ag 1469 1469 0.00      
5 Ag 1352 1352 0.00      
6 Ag 1185 1185 0.00      
7 Ag 852 852 0.00      
8 Ag 578 578 0.00      
9 Au 3156 3156 27.39      
10 Au 1566 1566 15.65      
11 Au 1153 1153 0.02      
12 Au 279 279 7.94      
13 Au 159 159 3.33      
14 Bg 3156 3156 0.00      
15 Bg 1564 1564 0.00      
16 Bg 1055 1055 0.00      
17 Bg 213 213 0.00      
18 Bu 3165 3165 25.19      
19 Bu 3074 3074 29.00      
20 Bu 1563 1563 22.09      
21 Bu 1449 1449 4.93      
22 Bu 1159 1159 0.39      
23 Bu 936 936 1.79      
24 Bu 339 339 16.01      

Unscaled Zero Point Vibrational Energy (zpe) 18613.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18613.1 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 B2PLYP/3-21G*
ABC
1.31863 0.14287 0.13547

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/3-21G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.394 0.509 0.000
N2 -0.394 -0.509 0.000
C3 -0.394 1.793 0.000
C4 0.394 -1.793 0.000
H5 -1.468 1.597 0.000
H6 1.468 -1.597 0.000
H7 -0.099 2.359 0.887
H8 -0.099 2.359 -0.887
H9 0.099 -2.359 0.887
H10 0.099 -2.359 -0.887

Atom - Atom Distances (Å)
  N1 N2 C3 C4 H5 H6 H7 H8 H9 H10
N11.28641.50652.30222.15572.36362.10982.10983.01593.0159
N21.28642.30221.50652.36362.15573.01593.01592.10982.1098
C31.50652.30223.67211.09193.86731.09221.09224.27424.2742
C42.30221.50653.67213.86731.09194.27424.27421.09221.0922
H52.15572.36361.09193.86734.33731.79991.79994.34584.3458
H62.36362.15573.86731.09194.33734.34584.34581.79991.7999
H72.10983.01591.09224.27421.79994.34581.77384.72155.0437
H82.10983.01591.09224.27421.79994.34581.77385.04374.7215
H93.01592.10984.27421.09224.34581.79994.72155.04371.7738
H103.01592.10984.27421.09224.34581.79995.04374.72151.7738

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 110.786 N1 C3 H5 111.116
N1 C3 H7 107.492 N1 C3 H8 107.492
N2 N1 C3 110.786 N2 C4 H6 111.116
N2 C4 H9 107.492 N2 C4 H10 107.492
H5 C3 H7 110.997 H5 C3 H8 110.997
H6 C4 H9 110.997 H6 C4 H10 110.997
H7 C3 H8 108.598 H9 C4 H10 108.598
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.213      
2 N -0.213      
3 C -0.416      
4 C -0.416      
5 H 0.202      
6 H 0.202      
7 H 0.213      
8 H 0.213      
9 H 0.213      
10 H 0.213      


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 -27.701 -1.935 0.000
y -1.935 -19.846 0.000
z 0.000 0.000 -24.532
Traceless
 xyz
x -5.513 -1.935 0.000
y -1.935 6.271 0.000
z 0.000 0.000 -0.758
Polar
3z2-r2-1.516
x2-y2-7.856
xy-1.935
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.045 -0.200 0.000
y -0.200 7.522 0.000
z 0.000 0.000 3.618


<r2> (average value of r2) Å2
<r2> 96.096
(<r2>)1/2 9.803