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: B1B95/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/6-31G**
 hartrees
Energy at 0K-189.162220
Energy at 298.15K-189.169916
HF Energy-189.162220
Nuclear repulsion energy122.806406
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 B1B95/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3202 3057 1.01      
2 A1 3059 2920 13.38      
3 A1 1718 1640 14.01      
4 A1 1517 1449 1.40      
5 A1 1431 1366 17.91      
6 A1 1125 1074 5.12      
7 A1 907 866 0.25      
8 A1 423 404 0.59      
9 A2 3133 2991 0.00      
10 A2 1518 1449 0.00      
11 A2 1105 1055 0.00      
12 A2 487 465 0.00      
13 A2 127 121 0.00      
14 B1 3128 2987 32.86      
15 B1 1554 1484 24.28      
16 B1 965 921 1.01      
17 B1 286 273 0.09      
18 B2 3200 3056 33.26      
19 B2 3058 2920 1.45      
20 B2 1495 1427 10.09      
21 B2 1410 1346 3.74      
22 B2 1198 1144 14.84      
23 B2 982 938 14.40      
24 B2 642 613 0.50      

Unscaled Zero Point Vibrational Energy (zpe) 18833.1 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 17981.8 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 B1B95/6-31G**
ABC
0.54932 0.22813 0.17157

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.618 -0.779
N2 0.000 -0.618 -0.779
C3 0.000 1.345 0.498
C4 0.000 -1.345 0.498
H5 0.000 2.410 0.275
H6 0.000 -2.410 0.275
H7 -0.886 1.103 1.095
H8 0.886 1.103 1.095
H9 0.886 -1.103 1.095
H10 -0.886 -1.103 1.095

Atom - Atom Distances (Å)
  N1 N2 C3 C4 H5 H6 H7 H8 H9 H10
N11.23671.46922.34202.07863.20642.12922.12922.69482.6948
N21.23672.34201.46923.20642.07862.69482.69482.12922.1292
C31.46922.34202.68981.08823.76151.09561.09562.67112.6711
C42.34201.46922.68983.76151.08822.67112.67111.09561.0956
H52.07863.20641.08823.76154.81991.77941.77943.71493.7149
H63.20642.07863.76151.08824.81993.71493.71491.77941.7794
H72.12922.69481.09562.67111.77943.71491.77182.82962.2063
H82.12922.69481.09562.67111.77943.71491.77182.20632.8296
H92.69482.12922.67111.09563.71491.77942.82962.20631.7718
H102.69482.12922.67111.09563.71491.77942.20632.82961.7718

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 119.639 N1 C3 H5 107.805
N1 C3 H7 111.403 N1 C3 H8 111.403
N2 N1 C3 119.639 N2 C4 H6 107.805
N2 C4 H9 111.403 N2 C4 H10 111.403
H5 C3 H7 109.138 H5 C3 H8 109.138
H6 C4 H9 109.138 H6 C4 H10 109.138
H7 C3 H8 107.917 H9 C4 H10 107.917
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.159      
2 N -0.159      
3 C -0.402      
4 C -0.402      
5 H 0.198      
6 H 0.198      
7 H 0.181      
8 H 0.181      
9 H 0.181      
10 H 0.181      


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 3.225 3.225
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.279 0.000 0.000
y 0.000 -23.189 0.000
z 0.000 0.000 -28.514
Traceless
 xyz
x 1.573 0.000 0.000
y 0.000 3.208 0.000
z 0.000 0.000 -4.781
Polar
3z2-r2-9.562
x2-y2-1.090
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.918 0.000 0.000
y 0.000 6.865 0.000
z 0.000 0.000 4.653


<r2> (average value of r2) Å2
<r2> 78.924
(<r2>)1/2 8.884