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

using model chemistry: B3PW91/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/cc-pVDZ
 hartrees
Energy at 0K-189.197541
Energy at 298.15K-189.204918
HF Energy-189.197541
Nuclear repulsion energy122.290270
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 B3PW91/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3164 3054 0.75      
2 A1 3018 2912 12.18      
3 A1 1691 1632 15.88      
4 A1 1442 1391 0.30      
5 A1 1367 1320 19.74      
6 A1 1078 1041 4.07      
7 A1 891 860 0.09      
8 A1 360 347 0.91      
9 A2 3104 2995 0.00      
10 A2 1450 1400 0.00      
11 A2 1068 1031 0.00      
12 A2 481 464 0.00      
13 A2 98 94 0.00      
14 B1 3095 2987 28.18      
15 B1 1470 1418 21.55      
16 B1 909 877 1.10      
17 B1 170 165 0.01      
18 B2 3164 3053 26.77      
19 B2 3020 2914 3.71      
20 B2 1430 1380 12.37      
21 B2 1351 1304 3.64      
22 B2 1159 1119 17.16      
23 B2 966 932 20.32      
24 B2 631 609 0.43      

Unscaled Zero Point Vibrational Energy (zpe) 18288.0 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 17648.0 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 B3PW91/cc-pVDZ
ABC
0.54707 0.22562 0.17007

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.620 -0.780
N2 0.000 -0.620 -0.780
C3 0.000 1.353 0.498
C4 0.000 -1.353 0.498
H5 0.000 2.426 0.269
H6 0.000 -2.426 0.269
H7 -0.892 1.112 1.102
H8 0.892 1.112 1.102
H9 0.892 -1.112 1.102
H10 -0.892 -1.112 1.102

Atom - Atom Distances (Å)
  N1 N2 C3 C4 H5 H6 H7 H8 H9 H10
N11.23901.47302.34992.08883.22082.14032.14032.70862.7086
N21.23902.34991.47303.22082.08882.70862.70862.14032.1403
C31.47302.34992.70551.09683.78521.10401.10402.69002.6900
C42.34991.47302.70553.78521.09682.69002.69001.10401.1040
H52.08883.22081.09683.78524.85111.79281.79283.74223.7422
H63.22082.08883.78521.09684.85113.74223.74221.79281.7928
H72.14032.70861.10402.69001.79283.74221.78352.85102.2242
H82.14032.70861.10402.69001.79283.74221.78352.22422.8510
H92.70862.14032.69001.10403.74221.79282.85102.22421.7835
H102.70862.14032.69001.10403.74221.79282.22422.85101.7835

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 119.852 N1 C3 H5 107.845
N1 C3 H7 111.506 N1 C3 H8 111.506
N2 N1 C3 119.852 N2 C4 H6 107.845
N2 C4 H9 111.506 N2 C4 H10 111.506
H5 C3 H7 109.095 H5 C3 H8 109.095
H6 C4 H9 109.095 H6 C4 H10 109.095
H7 C3 H8 107.750 H9 C4 H10 107.750
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.153      
2 N -0.153      
3 C -0.024      
4 C -0.024      
5 H 0.063      
6 H 0.063      
7 H 0.057      
8 H 0.057      
9 H 0.057      
10 H 0.057      


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 3.072 3.072
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.236 0.000 0.000
y 0.000 -23.324 0.000
z 0.000 0.000 -28.412
Traceless
 xyz
x 1.632 0.000 0.000
y 0.000 3.000 0.000
z 0.000 0.000 -4.632
Polar
3z2-r2-9.264
x2-y2-0.912
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.109 0.000 0.000
y 0.000 7.244 0.000
z 0.000 0.000 4.911


<r2> (average value of r2) Å2
<r2> 79.537
(<r2>)1/2 8.918