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: B3LYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/cc-pVTZ
 hartrees
Energy at 0K-189.331740
Energy at 298.15K-189.339109
HF Energy-189.331740
Nuclear repulsion energy122.395140
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 B3LYP/cc-pVTZ
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 3136 3032 0.93      
2 A1 3012 2911 15.10      
3 A1 1656 1600 12.99      
4 A1 1474 1425 0.11      
5 A1 1400 1353 19.79      
6 A1 1095 1058 4.94      
7 A1 856 828 0.01      
8 A1 361 349 1.03      
9 A2 3074 2971 0.00      
10 A2 1485 1435 0.00      
11 A2 1091 1055 0.00      
12 A2 481 465 0.00      
13 A2 80 77 0.00      
14 B1 3068 2966 33.08      
15 B1 1506 1455 20.99      
16 B1 940 908 3.08      
17 B1 176 170 0.15      
18 B2 3135 3031 32.40      
19 B2 3011 2911 2.20      
20 B2 1464 1415 12.17      
21 B2 1385 1339 2.27      
22 B2 1177 1138 18.75      
23 B2 934 903 17.70      
24 B2 630 609 0.34      

Unscaled Zero Point Vibrational Energy (zpe) 18313.2 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 17701.5 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 B3LYP/cc-pVTZ
ABC
0.54949 0.22432 0.16940

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.617 -0.778
N2 0.000 -0.617 -0.778
C3 0.000 1.361 0.499
C4 0.000 -1.361 0.499
H5 0.000 2.420 0.261
H6 0.000 -2.420 0.261
H7 -0.885 1.126 1.096
H8 0.885 1.126 1.096
H9 0.885 -1.126 1.096
H10 -0.885 -1.126 1.096

Atom - Atom Distances (Å)
  N1 N2 C3 C4 H5 H6 H7 H8 H9 H10
N11.23341.47842.35412.08163.20982.13452.13452.70792.7079
N21.23342.35411.47843.20982.08162.70792.70792.13452.1345
C31.47842.35412.72121.08573.78811.09301.09302.70572.7057
C42.35411.47842.72123.78811.08572.70572.70571.09301.0930
H52.08163.20981.08573.78814.84001.77641.77643.74853.7485
H63.20982.08163.78811.08574.84003.74853.74851.77641.7764
H72.13452.70791.09302.70571.77643.74851.76972.86352.2512
H82.13452.70791.09302.70571.77643.74851.76972.25122.8635
H92.70792.13452.70571.09303.74851.77642.86352.25121.7697
H102.70792.13452.70571.09303.74851.77642.25122.86351.7697

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 120.211 N1 C3 H5 107.558
N1 C3 H7 111.338 N1 C3 H8 111.338
N2 N1 C3 120.211 N2 C4 H6 107.558
N2 C4 H9 111.338 N2 C4 H10 111.338
H5 C3 H7 109.235 H5 C3 H8 109.235
H6 C4 H9 109.235 H6 C4 H10 109.235
H7 C3 H8 108.105 H9 C4 H10 108.105
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.102      
2 N -0.102      
3 C -0.200      
4 C -0.200      
5 H 0.115      
6 H 0.115      
7 H 0.093      
8 H 0.093      
9 H 0.093      
10 H 0.093      


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 3.099 3.099
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.700 0.000 0.000
y 0.000 -23.728 0.000
z 0.000 0.000 -29.065
Traceless
 xyz
x 1.696 0.000 0.000
y 0.000 3.155 0.000
z 0.000 0.000 -4.851
Polar
3z2-r2-9.702
x2-y2-0.972
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.647 0.000 0.000
y 0.000 7.827 0.000
z 0.000 0.000 5.615


<r2> (average value of r2) Å2
<r2> 80.002
(<r2>)1/2 8.944