return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B1B95/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at B1B95/cc-pVDZ
 hartrees
Energy at 0K-189.188502
Energy at 298.15K-189.195953
HF Energy-189.188502
Nuclear repulsion energy120.470288
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 B1B95/cc-pVDZ
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 3158 3035 0.00      
2 Ag 3049 2931 0.00      
3 Ag 1735 1667 0.00      
4 Ag 1441 1385 0.00      
5 Ag 1384 1330 0.00      
6 Ag 1221 1174 0.00      
7 Ag 939 902 0.00      
8 Ag 602 579 0.00      
9 Au 3148 3026 20.59      
10 Au 1445 1389 14.93      
11 Au 1123 1079 0.78      
12 Au 292 281 5.76      
13 Au 169 162 3.08      
14 Bg 3148 3026 0.00      
15 Bg 1444 1388 0.00      
16 Bg 1024 984 0.00      
17 Bg 236 227 0.00      
18 Bu 3158 3035 27.47      
19 Bu 3047 2929 49.28      
20 Bu 1449 1392 29.10      
21 Bu 1386 1332 1.04      
22 Bu 1123 1079 1.32      
23 Bu 1062 1021 12.23      
24 Bu 352 338 14.45      

Unscaled Zero Point Vibrational Energy (zpe) 18565.8 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 17845.5 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 B1B95/cc-pVDZ
ABC
1.39520 0.15031 0.14292

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.371 0.494 0.000
N2 -0.371 -0.494 0.000
C3 -0.371 1.743 0.000
C4 0.371 -1.743 0.000
H5 -1.458 1.581 0.000
H6 1.458 -1.581 0.000
H7 -0.064 2.321 0.883
H8 -0.064 2.321 -0.883
H9 0.064 -2.321 0.883
H10 0.064 -2.321 -0.883

Atom - Atom Distances (Å)
  N1 N2 C3 C4 H5 H6 H7 H8 H9 H10
N11.23491.45262.23682.12752.34272.07562.07562.96612.9661
N21.23492.23681.45262.34272.12752.96612.96612.07562.0756
C31.45262.23683.56401.09903.79411.09881.09884.18184.1818
C42.23681.45263.56403.79411.09904.18184.18181.09881.0988
H52.12752.34271.09903.79414.30161.80791.80794.28104.2810
H62.34272.12753.79411.09904.30164.28104.28101.80791.8079
H72.07562.96611.09884.18181.80794.28101.76514.64454.9686
H82.07562.96611.09884.18181.80794.28101.76514.96864.6445
H92.96612.07564.18181.09884.28101.80794.64454.96861.7651
H102.96612.07564.18181.09884.28101.80794.96864.64451.7651

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 112.418 N1 C3 H5 112.233
N1 C3 H7 108.077 N1 C3 H8 108.077
N2 N1 C3 112.418 N2 C4 H6 112.233
N2 C4 H9 108.077 N2 C4 H10 108.077
H5 C3 H7 110.689 H5 C3 H8 110.689
H6 C4 H9 110.689 H6 C4 H10 110.689
H7 C3 H8 106.874 H9 C4 H10 106.874
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.168      
2 N -0.168      
3 C 0.051      
4 C 0.051      
5 H 0.024      
6 H 0.024      
7 H 0.046      
8 H 0.046      
9 H 0.046      
10 H 0.046      


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 -27.302 -1.309 0.000
y -1.309 -20.238 0.000
z 0.000 0.000 -24.190
Traceless
 xyz
x -5.088 -1.309 0.000
y -1.309 5.508 0.000
z 0.000 0.000 -0.420
Polar
3z2-r2-0.839
x2-y2-7.064
xy-1.309
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.845 -0.330 0.000
y -0.330 8.419 0.000
z 0.000 0.000 4.145


<r2> (average value of r2) Å2
<r2> 92.316
(<r2>)1/2 9.608