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 ((Z)-1,2-Dimethyldiazene)

using model chemistry: BLYP/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at BLYP/6-31+G**
 hartrees
Energy at 0K-189.200761
Energy at 298.15K-189.207904
HF Energy-189.200761
Nuclear repulsion energy120.408384
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 BLYP/6-31+G**
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 3079 3062 0.95      
2 A1 2943 2927 20.51      
3 A1 1550 1542 20.32      
4 A1 1432 1425 0.11      
5 A1 1354 1347 23.69      
6 A1 1055 1050 5.90      
7 A1 792 787 0.68      
8 A1 347 345 1.15      
9 A2 3010 2994 0.00      
10 A2 1445 1437 0.00      
11 A2 1045 1039 0.00      
12 A2 457 455 0.00      
13 A2 52 52 0.00      
14 B1 3004 2988 37.55      
15 B1 1468 1460 25.43      
16 B1 903 898 3.54      
17 B1 162 161 0.11      
18 B2 3078 3061 30.45      
19 B2 2942 2926 3.53      
20 B2 1423 1416 11.55      
21 B2 1342 1335 1.53      
22 B2 1132 1126 12.34      
23 B2 861 856 24.20      
24 B2 596 593 0.19      

Unscaled Zero Point Vibrational Energy (zpe) 17734.6 cm-1
Scaled (by 0.9947) Zero Point Vibrational Energy (zpe) 17640.6 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 BLYP/6-31+G**
ABC
0.53282 0.21644 0.16357

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.629 -0.791
N2 0.000 -0.629 -0.791
C3 0.000 1.386 0.509
C4 0.000 -1.386 0.509
H5 0.000 2.455 0.261
H6 0.000 -2.455 0.261
H7 -0.895 1.150 1.111
H8 0.895 1.150 1.111
H9 0.895 -1.150 1.111
H10 -0.895 -1.150 1.111

Atom - Atom Distances (Å)
  N1 N2 C3 C4 H5 H6 H7 H8 H9 H10
N11.25721.50392.39732.10703.25752.16562.16562.75352.7535
N21.25722.39731.50393.25752.10702.75352.75352.16562.1656
C31.50392.39732.77221.09703.84871.10471.10472.75632.7563
C42.39731.50392.77223.84871.09702.75632.75631.10471.1047
H52.10703.25751.09703.84874.90931.79631.79633.81053.8105
H63.25752.10703.84871.09704.90933.81053.81051.79631.7963
H72.16562.75351.10472.75631.79633.81051.79092.91532.3004
H82.16562.75351.10472.75631.79633.81051.79092.30042.9153
H92.75352.16562.75631.10473.81051.79632.91532.30041.7909
H102.75352.16562.75631.10473.81051.79632.30042.91531.7909

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 120.243 N1 C3 H5 107.177
N1 C3 H7 111.316 N1 C3 H8 111.316
N2 N1 C3 120.243 N2 C4 H6 107.177
N2 C4 H9 111.316 N2 C4 H10 111.316
H5 C3 H7 109.347 H5 C3 H8 109.347
H6 C4 H9 109.347 H6 C4 H10 109.347
H7 C3 H8 108.308 H9 C4 H10 108.308
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.045      
2 N -0.045      
3 C -0.421      
4 C -0.421      
5 H 0.164      
6 H 0.164      
7 H 0.151      
8 H 0.151      
9 H 0.151      
10 H 0.151      


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 3.374 3.374
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.221 0.000 0.000
y 0.000 -24.337 0.000
z 0.000 0.000 -30.125
Traceless
 xyz
x 2.010 0.000 0.000
y 0.000 3.336 0.000
z 0.000 0.000 -5.346
Polar
3z2-r2-10.692
x2-y2-0.884
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.922 0.000 0.000
y 0.000 8.576 0.000
z 0.000 0.000 6.434


<r2> (average value of r2) Å2
<r2> 82.654
(<r2>)1/2 9.091