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

using model chemistry: B1B95/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-189.177082
Energy at 298.15K-189.184739
HF Energy-189.177082
Nuclear repulsion energy123.120466
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(2df,p)
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 3183 3048 0.67      
2 A1 3043 2914 11.34      
3 A1 1710 1638 11.01      
4 A1 1486 1423 0.83      
5 A1 1400 1341 17.67      
6 A1 1110 1063 4.19      
7 A1 906 868 0.19      
8 A1 409 392 0.73      
9 A2 3121 2989 0.00      
10 A2 1484 1421 0.00      
11 A2 1093 1046 0.00      
12 A2 486 466 0.00      
13 A2 120 115 0.00      
14 B1 3116 2984 26.90      
15 B1 1520 1456 20.81      
16 B1 947 907 1.44      
17 B1 281 269 0.10      
18 B2 3182 3047 31.64      
19 B2 3043 2914 1.42      
20 B2 1463 1401 9.93      
21 B2 1380 1322 3.55      
22 B2 1184 1134 17.45      
23 B2 982 940 15.55      
24 B2 640 613 0.79      

Unscaled Zero Point Vibrational Energy (zpe) 18643.1 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 17854.5 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 B1B95/6-31G(2df,p)
ABC
0.55079 0.22983 0.17263

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.616 -0.778
N2 0.000 -0.616 -0.778
C3 0.000 1.340 0.497
C4 0.000 -1.340 0.497
H5 0.000 2.405 0.279
H6 0.000 -2.405 0.279
H7 -0.884 1.095 1.093
H8 0.884 1.095 1.093
H9 0.884 -1.095 1.093
H10 -0.884 -1.095 1.093

Atom - Atom Distances (Å)
  N1 N2 C3 C4 H5 H6 H7 H8 H9 H10
N11.23271.46612.33502.07723.20052.12462.12462.68572.6857
N21.23272.33501.46613.20052.07722.68572.68572.12462.1246
C31.46612.33502.67921.08723.75071.09441.09442.65782.6578
C42.33501.46612.67923.75071.08722.65782.65781.09441.0944
H52.07723.20051.08723.75074.80931.77821.77823.70033.7003
H63.20052.07723.75071.08724.80933.70033.70031.77821.7782
H72.12462.68571.09442.65781.77823.70031.76882.81472.1895
H82.12462.68571.09442.65781.77823.70031.76882.18952.8147
H92.68572.12462.65781.09443.70031.77822.81472.18951.7688
H102.68572.12462.65781.09443.70031.77822.18952.81471.7688

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 119.560 N1 C3 H5 107.970
N1 C3 H7 111.321 N1 C3 H8 111.321
N2 N1 C3 119.560 N2 C4 H6 107.970
N2 C4 H9 111.321 N2 C4 H10 111.321
H5 C3 H7 109.188 H5 C3 H8 109.188
H6 C4 H9 109.188 H6 C4 H10 109.188
H7 C3 H8 107.819 H9 C4 H10 107.819
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.105      
2 N -0.105      
3 C -0.343      
4 C -0.343      
5 H 0.151      
6 H 0.151      
7 H 0.148      
8 H 0.148      
9 H 0.148      
10 H 0.148      


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 3.036 3.036
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.156 0.000 0.000
y 0.000 -23.105 0.000
z 0.000 0.000 -28.207
Traceless
 xyz
x 1.501 0.000 0.000
y 0.000 3.076 0.000
z 0.000 0.000 -4.577
Polar
3z2-r2-9.153
x2-y2-1.050
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.177 0.000 0.000
y 0.000 7.092 0.000
z 0.000 0.000 4.935


<r2> (average value of r2) Å2
<r2> 78.434
(<r2>)1/2 8.856