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

using model chemistry: mPW1PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at mPW1PW91/6-31G(2df,p)
 hartrees
Energy at 0K-189.237251
Energy at 298.15K-189.244694
HF Energy-189.237251
Nuclear repulsion energy120.480087
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 mPW1PW91/6-31G(2df,p)
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 3150 3007 0.00      
2 Ag 3047 2909 0.00      
3 Ag 1716 1638 0.00      
4 Ag 1471 1405 0.00      
5 Ag 1410 1346 0.00      
6 Ag 1227 1172 0.00      
7 Ag 939 897 0.00      
8 Ag 602 575 0.00      
9 Au 3136 2994 20.96      
10 Au 1475 1408 13.23      
11 Au 1140 1088 0.42      
12 Au 294 280 6.72      
13 Au 165 157 2.48      
14 Bg 3136 2994 0.00      
15 Bg 1474 1407 0.00      
16 Bg 1038 991 0.00      
17 Bg 230 220 0.00      
18 Bu 3149 3007 30.50      
19 Bu 3046 2908 43.59      
20 Bu 1478 1411 25.11      
21 Bu 1412 1348 1.69      
22 Bu 1140 1088 0.84      
23 Bu 1053 1006 9.86      
24 Bu 352 336 15.48      

Unscaled Zero Point Vibrational Energy (zpe) 18640.8 cm-1
Scaled (by 0.9547) Zero Point Vibrational Energy (zpe) 17796.3 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 mPW1PW91/6-31G(2df,p)
ABC
1.40437 0.14989 0.14257

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G(2df,p)

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.370 0.494 0.000
N2 -0.370 -0.494 0.000
C3 -0.370 1.746 0.000
C4 0.370 -1.746 0.000
H5 -1.452 1.590 0.000
H6 1.452 -1.590 0.000
H7 -0.065 2.321 0.879
H8 -0.065 2.321 -0.879
H9 0.065 -2.321 0.879
H10 0.065 -2.321 -0.879

Atom - Atom Distances (Å)
  N1 N2 C3 C4 H5 H6 H7 H8 H9 H10
N11.23411.45502.24022.12662.34802.07412.07412.96492.9649
N21.23412.24021.45502.34802.12662.96492.96492.07412.0741
C31.45502.24023.57051.09353.80171.09381.09384.18444.1844
C42.24021.45503.57053.80171.09354.18444.18441.09381.0938
H52.12662.34801.09353.80174.30681.79791.79794.28644.2864
H62.34802.12663.80171.09354.30684.28644.28641.79791.7979
H72.07412.96491.09384.18441.79794.28641.75844.64444.9661
H82.07412.96491.09384.18441.79794.28641.75844.96614.6444
H92.96492.07414.18441.09384.28641.79794.64444.96611.7584
H102.96492.07414.18441.09384.28641.79794.96614.64441.7584

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 112.576 N1 C3 H5 112.345
N1 C3 H7 108.093 N1 C3 H8 108.093
N2 N1 C3 112.576 N2 C4 H6 112.345
N2 C4 H9 108.093 N2 C4 H10 108.093
H5 C3 H7 110.564 H5 C3 H8 110.564
H6 C4 H9 110.564 H6 C4 H10 110.564
H7 C3 H8 106.986 H9 C4 H10 106.986
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.123      
2 N -0.123      
3 C -0.344      
4 C -0.344      
5 H 0.147      
6 H 0.147      
7 H 0.160      
8 H 0.160      
9 H 0.160      
10 H 0.160      


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 -26.954 -1.433 0.000
y -1.433 -19.954 0.000
z 0.000 0.000 -24.079
Traceless
 xyz
x -4.938 -1.433 0.000
y -1.433 5.563 0.000
z 0.000 0.000 -0.625
Polar
3z2-r2-1.250
x2-y2-7.001
xy-1.433
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.756 -0.235 0.000
y -0.235 8.216 0.000
z 0.000 0.000 4.249


<r2> (average value of r2) Å2
<r2> 92.291
(<r2>)1/2 9.607