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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: M06-2X/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at M06-2X/3-21G
 hartrees
Energy at 0K-188.147626
Energy at 298.15K 
HF Energy-188.147626
Nuclear repulsion energy117.113091
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 M06-2X/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 A 3653 3502 3.40      
2 A 3540 3394 2.70      
3 A 3152 3022 0.11      
4 A 1776 1703 0.73      
5 A 1705 1634 14.30      
6 A 1368 1311 1.76      
7 A 1289 1236 0.01      
8 A 1029 987 0.00      
9 A 977 937 84.55      
10 A 580 556 126.67      
11 A 550 527 271.07      
12 A 345 331 16.58      
13 A 263 252 20.73      
14 B 3653 3502 10.46      
15 B 3538 3391 15.00      
16 B 3158 3028 35.90      
17 B 1708 1637 81.92      
18 B 1413 1355 3.70      
19 B 1194 1144 124.12      
20 B 1134 1087 5.45      
21 B 850 815 20.47      
22 B 491 471 281.73      
23 B 337 323 23.10      
24 B 178 170 270.78      

Unscaled Zero Point Vibrational Energy (zpe) 18939.4 cm-1
Scaled (by 0.9587) Zero Point Vibrational Energy (zpe) 18157.2 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 M06-2X/3-21G
ABC
1.45948 0.13127 0.12187

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.314 0.590 0.037
C2 -0.314 -0.590 0.037
N3 -0.314 1.852 -0.084
N4 0.314 -1.852 -0.084
H5 1.400 0.627 0.046
H6 -1.400 -0.627 0.046
H7 -1.325 1.848 -0.190
H8 1.325 -1.848 -0.190
H9 0.038 2.596 0.511
H10 -0.038 -2.596 0.511

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.33741.41502.44531.08662.10302.07882.64922.07993.2409
C21.33742.44531.41502.10301.08662.64922.07883.24092.0799
N31.41502.44533.75702.11112.70991.01644.04831.01634.4966
N42.44531.41503.75702.70992.11114.04831.01644.49661.0163
H51.08662.10302.11112.70993.06882.99572.48762.43923.5606
H62.10301.08662.70992.11113.06882.48762.99573.56062.4392
H72.07882.64921.01644.04832.99572.48764.54801.70594.6799
H82.64922.07884.04831.01642.48762.99574.54804.67991.7059
H92.07993.24091.01634.49662.43923.56061.70594.67995.1935
H103.24092.07994.49661.01633.56062.43924.67991.70595.1935

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.326 C1 C2 H6 119.994
C1 N3 H7 116.567 C1 N3 H9 116.674
C2 C1 N3 125.326 C2 C1 H5 119.994
C2 N4 H8 116.567 C2 N4 H10 116.674
N3 C1 H5 114.475 N4 C2 H6 114.475
H7 N3 H9 114.125 H8 N4 H10 114.125
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.020      
2 C -0.020      
3 N -0.757      
4 N -0.757      
5 H 0.190      
6 H 0.190      
7 H 0.293      
8 H 0.293      
9 H 0.294      
10 H 0.294      


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 1.998 1.998
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.091 -2.142 0.000
y -2.142 -20.482 0.000
z 0.000 0.000 -28.195
Traceless
 xyz
x 4.248 -2.142 0.000
y -2.142 3.661 0.000
z 0.000 0.000 -7.909
Polar
3z2-r2-15.817
x2-y20.392
xy-2.142
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.593 0.200 0.000
y 0.200 7.879 0.000
z 0.000 0.000 1.719


<r2> (average value of r2) Å2
<r2> 98.338
(<r2>)1/2 9.917