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

using model chemistry: mPW1PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/6-311G*
 hartrees
Energy at 0K-189.247604
Energy at 298.15K 
HF Energy-189.247604
Nuclear repulsion energy122.845588
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 mPW1PW91/6-311G*
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 3178 3034 1.75      
2 A1 3039 2900 17.52      
3 A1 1708 1630 15.45      
4 A1 1493 1425 0.33      
5 A1 1424 1359 26.89      
6 A1 1110 1060 5.13      
7 A1 900 858 0.21      
8 A1 372 355 0.72      
9 A2 3110 2968 0.00      
10 A2 1502 1433 0.00      
11 A2 1103 1053 0.00      
12 A2 486 464 0.00      
13 A2 44i 42i 0.00      
14 B1 3105 2963 41.99      
15 B1 1527 1458 29.75      
16 B1 955 911 1.79      
17 B1 197 188 0.10      
18 B2 3177 3032 35.59      
19 B2 3038 2900 3.08      
20 B2 1481 1414 18.90      
21 B2 1405 1341 1.31      
22 B2 1188 1134 14.08      
23 B2 977 933 16.62      
24 B2 637 608 0.44      

Unscaled Zero Point Vibrational Energy (zpe) 18532.8 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 17687.7 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 mPW1PW91/6-311G*
ABC
0.55204 0.22719 0.17129

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.616 -0.777
N2 0.000 -0.616 -0.777
C3 0.000 1.349 0.496
C4 0.000 -1.349 0.496
H5 0.000 2.411 0.266
H6 0.000 -2.411 0.266
H7 -0.885 1.114 1.096
H8 0.885 1.114 1.096
H9 0.885 -1.114 1.096
H10 -0.885 -1.114 1.096

Atom - Atom Distances (Å)
  N1 N2 C3 C4 H5 H6 H7 H8 H9 H10
N11.23251.46892.34172.07603.20212.13002.13002.69852.6985
N21.23252.34171.46893.20212.07602.69852.69852.13002.1300
C31.46892.34172.69831.08683.76751.09471.09472.68492.6849
C42.34171.46892.69833.76751.08682.68492.68491.09471.0947
H52.07603.20211.08683.76754.82271.77641.77643.72793.7279
H63.20212.07603.76751.08684.82273.72793.72791.77641.7764
H72.13002.69851.09472.68491.77643.72791.77072.84542.2274
H82.13002.69851.09472.68491.77643.72791.77072.22742.8454
H92.69852.13002.68491.09473.72791.77642.84542.22741.7707
H102.69852.13002.68491.09473.72791.77642.22742.84541.7707

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 119.930 N1 C3 H5 107.703
N1 C3 H7 111.536 N1 C3 H8 111.536
N2 N1 C3 119.930 N2 C4 H6 107.703
N2 C4 H9 111.536 N2 C4 H10 111.536
H5 C3 H7 109.036 H5 C3 H8 109.036
H6 C4 H9 109.036 H6 C4 H10 109.036
H7 C3 H8 107.947 H9 C4 H10 107.947
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.114      
2 N -0.114      
3 C -0.617      
4 C -0.617      
5 H 0.251      
6 H 0.251      
7 H 0.240      
8 H 0.240      
9 H 0.240      
10 H 0.240      


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 3.264 3.264
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.452 0.000 0.000
y 0.000 -23.511 0.000
z 0.000 0.000 -28.999
Traceless
 xyz
x 1.804 0.000 0.000
y 0.000 3.214 0.000
z 0.000 0.000 -5.018
Polar
3z2-r2-10.036
x2-y2-0.941
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.162 0.000 0.000
y 0.000 7.221 0.000
z 0.000 0.000 4.994


<r2> (average value of r2) Å2
<r2> 79.252
(<r2>)1/2 8.902