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

using model chemistry: PBE1PBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBE1PBE/3-21G
 hartrees
Energy at 0K-187.972962
Energy at 298.15K-187.980348
HF Energy-187.972962
Nuclear repulsion energy120.677322
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 PBE1PBE/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 A1 3196 3070 1.10      
2 A1 3052 2931 6.03      
3 A1 1543 1482 0.21      
4 A1 1500 1441 0.15      
5 A1 1412 1356 43.23      
6 A1 1088 1045 11.70      
7 A1 810 778 1.27      
8 A1 370 355 0.75      
9 A2 3127 3003 0.00      
10 A2 1541 1480 0.00      
11 A2 1093 1050 0.00      
12 A2 461 443 0.00      
13 A2 110 106 0.00      
14 B1 3122 2998 25.08      
15 B1 1566 1504 38.10      
16 B1 947 909 0.00      
17 B1 195 188 0.00      
18 B2 3195 3068 20.71      
19 B2 3052 2931 0.41      
20 B2 1517 1457 21.50      
21 B2 1407 1352 0.76      
22 B2 1167 1121 7.29      
23 B2 846 812 21.98      
24 B2 609 585 0.25      

Unscaled Zero Point Vibrational Energy (zpe) 18463.0 cm-1
Scaled (by 0.9604) Zero Point Vibrational Energy (zpe) 17731.9 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 PBE1PBE/3-21G
ABC
0.52012 0.22234 0.16555

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.631 0.803
N2 0.000 -0.631 0.803
C3 0.000 1.363 -0.519
C4 0.000 -1.363 -0.519
H5 0.000 2.429 -0.290
H6 0.000 -2.429 -0.290
H7 0.891 1.110 -1.108
H8 -0.891 1.110 -1.108
H9 -0.891 -1.110 -1.108
H10 0.891 -1.110 -1.108

Atom - Atom Distances (Å)
  N1 N2 C3 C4 H5 H6 H7 H8 H9 H10
N11.26271.51112.39292.10363.24932.16172.16172.73432.7343
N21.26272.39291.51113.24932.10362.73432.73432.16172.1617
C31.51112.39292.72641.08963.79861.09751.09752.69402.6940
C42.39291.51112.72643.79861.08962.69402.69401.09751.0975
H52.10363.24931.08963.79864.85711.78891.78893.73953.7395
H63.24932.10363.79861.08964.85713.73953.73951.78891.7889
H72.16172.73431.09752.69401.78893.73951.78242.84712.2202
H82.16172.73431.09752.69401.78893.73951.78242.22022.8471
H92.73432.16172.69401.09753.73951.78892.84712.22021.7824
H102.73432.16172.69401.09753.73951.78892.22022.84711.7824

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 118.970 N1 C3 H5 106.852
N1 C3 H7 110.937 N1 C3 H8 110.937
N2 N1 C3 118.970 N2 C4 H6 106.852
N2 C4 H9 110.937 N2 C4 H10 110.937
H5 C3 H7 109.759 H5 C3 H8 109.759
H6 C4 H9 109.759 H6 C4 H10 109.759
H7 C3 H8 108.585 H9 C4 H10 108.585
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.183      
2 N -0.183      
3 C -0.547      
4 C -0.547      
5 H 0.258      
6 H 0.258      
7 H 0.236      
8 H 0.236      
9 H 0.236      
10 H 0.236      


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 -3.633 3.633
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.492 0.000 0.000
y 0.000 -23.286 0.000
z 0.000 0.000 -28.916
Traceless
 xyz
x 1.609 0.000 0.000
y 0.000 3.418 0.000
z 0.000 0.000 -5.027
Polar
3z2-r2-10.055
x2-y2-1.206
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.548 0.000 0.000
y 0.000 6.643 0.000
z 0.000 0.000 4.218


<r2> (average value of r2) Å2
<r2> 81.083
(<r2>)1/2 9.005