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

using model chemistry: B3PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at B3PW91/3-21G
 hartrees
Energy at 0K-188.143807
Energy at 298.15K-188.151168
HF Energy-188.143807
Nuclear repulsion energy118.158821
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 B3PW91/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3146 3024 0.00      
2 Ag 3049 2931 0.00      
3 Ag 1549 1489 0.00      
4 Ag 1477 1420 0.00      
5 Ag 1399 1344 0.00      
6 Ag 1186 1140 0.00      
7 Ag 864 831 0.00      
8 Ag 584 562 0.00      
9 Au 3133 3011 22.83      
10 Au 1536 1476 21.07      
11 Au 1140 1095 0.24      
12 Au 282 271 8.85      
13 Au 166 160 4.40      
14 Bg 3133 3011 0.00      
15 Bg 1534 1474 0.00      
16 Bg 1040 1000 0.00      
17 Bg 224 215 0.00      
18 Bu 3145 3023 25.28      
19 Bu 3048 2930 29.05      
20 Bu 1535 1475 30.96      
21 Bu 1426 1371 8.61      
22 Bu 1147 1103 1.24      
23 Bu 954 917 3.75      
24 Bu 339 326 17.82      

Unscaled Zero Point Vibrational Energy (zpe) 18517.5 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 17799.0 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 B3PW91/3-21G
ABC
1.33485 0.14445 0.13707

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.388 0.505 0.000
N2 -0.388 -0.505 0.000
C3 -0.388 1.782 0.000
C4 0.388 -1.782 0.000
H5 -1.467 1.597 0.000
H6 1.467 -1.597 0.000
H7 -0.088 2.351 0.887
H8 -0.088 2.351 -0.887
H9 0.088 -2.351 0.887
H10 0.088 -2.351 -0.887

Atom - Atom Distances (Å)
  N1 N2 C3 C4 H5 H6 H7 H8 H9 H10
N11.27351.49462.28712.15272.36272.10252.10253.00513.0051
N21.27352.28711.49462.36272.15273.00513.00512.10252.1025
C31.49462.28713.64791.09483.85501.09541.09544.25374.2537
C42.28711.49463.64793.85501.09484.25374.25371.09541.0954
H52.15272.36271.09483.85504.33721.80431.80434.33484.3348
H62.36272.15273.85501.09484.33724.33484.33481.80431.8043
H72.10253.00511.09544.25371.80434.33481.77414.70465.0280
H82.10253.00511.09544.25371.80434.33481.77415.02804.7046
H93.00512.10254.25371.09544.33481.80434.70465.02801.7741
H103.00512.10254.25371.09544.33481.80435.02804.70461.7741

picture of (E)-1,2-Dimethyldiazene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 N2 C4 111.177 N1 C3 H5 111.545
N1 C3 H7 107.544 N1 C3 H8 107.544
N2 N1 C3 111.177 N2 C4 H6 111.545
N2 C4 H9 107.544 N2 C4 H10 107.544
H5 C3 H7 110.943 H5 C3 H8 110.943
H6 C4 H9 110.943 H6 C4 H10 110.943
H7 C3 H8 108.159 H9 C4 H10 108.159
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.219      
2 N -0.219      
3 C -0.481      
4 C -0.481      
5 H 0.224      
6 H 0.224      
7 H 0.238      
8 H 0.238      
9 H 0.238      
10 H 0.238      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.415 -1.933 0.000
y -1.933 -19.290 0.000
z 0.000 0.000 -24.279
Traceless
 xyz
x -5.631 -1.933 0.000
y -1.933 6.557 0.000
z 0.000 0.000 -0.926
Polar
3z2-r2-1.852
x2-y2-8.125
xy-1.933
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.120 -0.213 0.000
y -0.213 7.750 0.000
z 0.000 0.000 3.645


<r2> (average value of r2) Å2
<r2> 95.062
(<r2>)1/2 9.750