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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-189.223466
Energy at 298.15K-189.230908
HF Energy-189.223466
Nuclear repulsion energy120.285168
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 3166 3002 0.00      
2 Ag 3067 2909 0.00      
3 Ag 1727 1638 0.00      
4 Ag 1503 1425 0.00      
5 Ag 1437 1362 0.00      
6 Ag 1238 1174 0.00      
7 Ag 950 901 0.00      
8 Ag 604 572 0.00      
9 Au 3154 2991 26.22      
10 Au 1505 1427 15.11      
11 Au 1153 1093 0.27      
12 Au 294 279 7.24      
13 Au 166 157 3.08      
14 Bg 3154 2991 0.00      
15 Bg 1504 1426 0.00      
16 Bg 1051 997 0.00      
17 Bg 232 220 0.00      
18 Bu 3165 3001 34.26      
19 Bu 3066 2907 45.40      
20 Bu 1510 1432 26.05      
21 Bu 1438 1364 1.95      
22 Bu 1158 1098 0.29      
23 Bu 1057 1003 9.30      
24 Bu 353 335 14.92      

Unscaled Zero Point Vibrational Energy (zpe) 18825.4 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 17852.1 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 mPW1PW91/6-31G*
ABC
1.39705 0.14949 0.14216

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 0.371 0.495 0.000
N2 -0.371 -0.495 0.000
C3 -0.371 1.749 0.000
C4 0.371 -1.749 0.000
H5 -1.455 1.592 0.000
H6 1.455 -1.592 0.000
H7 -0.066 2.322 0.881
H8 -0.066 2.322 -0.881
H9 0.066 -2.322 0.881
H10 0.066 -2.322 -0.881

Atom - Atom Distances (Å)
  N1 N2 C3 C4 H5 H6 H7 H8 H9 H10
N11.23831.45712.24422.13002.35172.07472.07472.96772.9677
N21.23832.24421.45712.35172.13002.96772.96772.07472.0747
C31.45712.24423.57581.09443.80741.09441.09444.18814.1881
C42.24421.45713.57583.80741.09444.18814.18811.09441.0944
H52.13002.35171.09443.80744.31291.79891.79894.29064.2906
H62.35172.13003.80741.09444.31294.29064.29061.79891.7989
H72.07472.96771.09444.18811.79894.29061.76184.64614.9689
H82.07472.96771.09444.18811.79894.29061.76184.96894.6461
H92.96772.07474.18811.09444.29061.79894.64614.96891.7618
H102.96772.07474.18811.09444.29061.79894.96894.64611.7618

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 112.484 N1 C3 H5 112.415
N1 C3 H7 107.967 N1 C3 H8 107.967
N2 N1 C3 112.484 N2 C4 H6 112.415
N2 C4 H9 107.967 N2 C4 H10 107.967
H5 C3 H7 110.547 H5 C3 H8 110.547
H6 C4 H9 110.547 H6 C4 H10 110.547
H7 C3 H8 107.205 H9 C4 H10 107.205
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 -0.183      
2 N -0.183      
3 C -0.384      
4 C -0.384      
5 H 0.182      
6 H 0.182      
7 H 0.192      
8 H 0.192      
9 H 0.192      
10 H 0.192      


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 -27.194 -1.556 0.000
y -1.556 -19.857 0.000
z 0.000 0.000 -24.194
Traceless
 xyz
x -5.168 -1.556 0.000
y -1.556 5.838 0.000
z 0.000 0.000 -0.669
Polar
3z2-r2-1.338
x2-y2-7.337
xy-1.556
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.527 -0.148 0.000
y -0.148 7.940 0.000
z 0.000 0.000 3.985


<r2> (average value of r2) Å2
<r2> 92.549
(<r2>)1/2 9.620