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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: BLYP/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at BLYP/6-31G
 hartrees
Energy at 0K-189.158086
Energy at 298.15K 
HF Energy-189.158086
Nuclear repulsion energy116.165734
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 BLYP/6-31G
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 3578 3551 0.43      
2 A 3457 3431 0.04      
3 A 3078 3054 0.21      
4 A 1700 1687 1.53      
5 A 1654 1641 11.55      
6 A 1325 1315 1.55      
7 A 1253 1243 0.75      
8 A 991 983 0.63      
9 A 899 892 58.14      
10 A 556 552 88.12      
11 A 510 506 324.14      
12 A 349 346 5.70      
13 A 231 229 28.58      
14 B 3578 3550 2.17      
15 B 3455 3428 0.89      
16 B 3082 3059 74.42      
17 B 1656 1644 70.04      
18 B 1372 1362 6.68      
19 B 1166 1158 143.82      
20 B 1091 1082 5.69      
21 B 761 755 21.47      
22 B 463 459 276.28      
23 B 331 328 22.93      
24 B 215 214 178.75      

Unscaled Zero Point Vibrational Energy (zpe) 18374.0 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 18234.4 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 BLYP/6-31G
ABC
1.43225 0.12906 0.11978

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.318 0.601 0.056
C2 -0.318 -0.601 0.056
N3 -0.318 1.863 -0.092
N4 0.318 -1.863 -0.092
H5 1.413 0.652 0.068
H6 -1.413 -0.652 0.068
H7 -1.329 1.869 -0.214
H8 1.329 -1.869 -0.214
H9 0.042 2.643 0.457
H10 -0.042 -2.643 0.457

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.35981.42142.46881.09652.13712.09612.68232.09893.2879
C21.35982.46881.42142.13711.09652.68232.09613.28792.0989
N31.42142.46883.78072.11912.74821.01854.08141.01874.5477
N42.46881.42143.78072.74822.11914.08141.01854.54771.0187
H51.09652.13712.11912.74823.11283.01352.53792.44843.6224
H62.13711.09652.74822.11913.11282.53793.01353.62242.4484
H72.09612.68231.01854.08143.01352.53794.58661.71104.7392
H82.68232.09614.08141.01852.53793.01354.58664.73921.7110
H92.09893.28791.01874.54772.44843.62241.71104.73925.2859
H103.28792.09894.54771.01873.62242.44844.73921.71105.2859

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.154 C1 C2 H6 120.552
C1 N3 H7 117.478 C1 N3 H9 117.727
C2 C1 N3 125.154 C2 C1 H5 120.552
C2 N4 H8 117.478 C2 N4 H10 117.727
N3 C1 H5 114.005 N4 C2 H6 114.005
H7 N3 H9 114.250 H8 N4 H10 114.250
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.049      
2 C 0.049      
3 N -0.673      
4 N -0.673      
5 H 0.080      
6 H 0.080      
7 H 0.273      
8 H 0.273      
9 H 0.272      
10 H 0.272      


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 1.726 1.726
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.593 -2.240 0.000
y -2.240 -19.694 0.000
z 0.000 0.000 -28.389
Traceless
 xyz
x 3.448 -2.240 0.000
y -2.240 4.797 0.000
z 0.000 0.000 -8.245
Polar
3z2-r2-16.490
x2-y2-0.899
xy-2.240
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.109 0.058 0.000
y 0.058 9.021 0.000
z 0.000 0.000 2.193


<r2> (average value of r2) Å2
<r2> 99.881
(<r2>)1/2 9.994