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

using model chemistry: mPW1PW91/6-31G

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
 hartrees
Energy at 0K-189.151379
Energy at 298.15K-189.158814
HF Energy-189.151379
Nuclear repulsion energy119.141216
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
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 3177 3008 0.00      
2 Ag 3070 2906 0.00      
3 Ag 1646 1558 0.00      
4 Ag 1517 1436 0.00      
5 Ag 1453 1375 0.00      
6 Ag 1228 1162 0.00      
7 Ag 927 877 0.00      
8 Ag 595 563 0.00      
9 Au 3172 3002 22.92      
10 Au 1524 1443 23.60      
11 Au 1170 1107 0.05      
12 Au 292 276 10.51      
13 Au 166 157 3.89      
14 Bg 3172 3002 0.00      
15 Bg 1523 1442 0.00      
16 Bg 1073 1015 0.00      
17 Bg 231 218 0.00      
18 Bu 3177 3007 31.04      
19 Bu 3069 2905 42.56      
20 Bu 1526 1445 36.40      
21 Bu 1460 1382 8.32      
22 Bu 1173 1110 0.89      
23 Bu 1037 982 5.57      
24 Bu 341 323 17.38      

Unscaled Zero Point Vibrational Energy (zpe) 18858.7 cm-1
Scaled (by 0.9466) Zero Point Vibrational Energy (zpe) 17851.7 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 mPW1PW91/6-31G
ABC
1.39923 0.14534 0.13844

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.370 0.507 0.000
N2 -0.370 -0.507 0.000
C3 -0.370 1.776 0.000
C4 0.370 -1.776 0.000
H5 -1.452 1.622 0.000
H6 1.452 -1.622 0.000
H7 -0.063 2.344 0.882
H8 -0.063 2.344 -0.882
H9 0.063 -2.344 0.882
H10 0.063 -2.344 -0.882

Atom - Atom Distances (Å)
  N1 N2 C3 C4 H5 H6 H7 H8 H9 H10
N11.25621.46892.28372.13622.38842.08282.08283.00033.0003
N21.25622.28371.46892.38842.13623.00033.00032.08282.0828
C31.46892.28373.62871.09333.85571.09271.09274.23564.2356
C42.28371.46893.62873.85571.09334.23564.23561.09271.0927
H52.13622.38841.09333.85574.35401.79691.79694.33594.3359
H62.38842.13623.85571.09334.35404.33594.33591.79691.7969
H72.08283.00031.09274.23561.79694.33591.76374.68945.0101
H82.08283.00031.09274.23561.79694.33591.76375.01014.6894
H93.00032.08284.23561.09274.33591.79694.68945.01011.7637
H103.00032.08284.23561.09274.33591.79695.01014.68941.7637

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 113.632 N1 C3 H5 112.134
N1 C3 H7 107.894 N1 C3 H8 107.894
N2 N1 C3 113.632 N2 C4 H6 112.134
N2 C4 H9 107.894 N2 C4 H10 107.894
H5 C3 H7 110.567 H5 C3 H8 110.567
H6 C4 H9 110.567 H6 C4 H10 110.567
H7 C3 H8 107.619 H9 C4 H10 107.619
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.208      
2 N -0.208      
3 C -0.365      
4 C -0.365      
5 H 0.181      
6 H 0.181      
7 H 0.196      
8 H 0.196      
9 H 0.196      
10 H 0.196      


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 -27.906 -2.027 0.000
y -2.027 -19.097 0.000
z 0.000 0.000 -24.297
Traceless
 xyz
x -6.209 -2.027 0.000
y -2.027 7.004 0.000
z 0.000 0.000 -0.795
Polar
3z2-r2-1.590
x2-y2-8.809
xy-2.027
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.436 -0.114 0.000
y -0.114 7.966 0.000
z 0.000 0.000 3.842


<r2> (average value of r2) Å2
<r2> 94.449
(<r2>)1/2 9.718