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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: BLYP/STO-3G

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/STO-3G
 hartrees
Energy at 0K-186.756288
Energy at 298.15K 
HF Energy-186.756288
Nuclear repulsion energy113.649196
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/STO-3G
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 3542 3277 0.85      
2 A 3345 3095 13.93      
3 A 3335 3085 1.65      
4 A 1804 1669 1.46      
5 A 1754 1622 11.13      
6 A 1369 1267 1.52      
7 A 1334 1234 0.63      
8 A 1066 986 3.69      
9 A 970 897 44.51      
10 A 860 796 36.08      
11 A 525 486 0.09      
12 A 326 302 1.07      
13 A 255 236 8.18      
14 B 3541 3276 20.65      
15 B 3338 3088 12.13      
16 B 3331 3082 19.32      
17 B 1766 1633 7.85      
18 B 1447 1339 10.58      
19 B 1216 1125 6.16      
20 B 1169 1081 1.63      
21 B 789 730 431.09      
22 B 747 691 29.34      
23 B 369 341 58.39      
24 B 268 248 34.84      

Unscaled Zero Point Vibrational Energy (zpe) 19231.4 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 17792.9 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/STO-3G
ABC
1.32200 0.12476 0.11609

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.327 0.599 0.042
C2 -0.327 -0.599 0.042
N3 -0.327 1.912 -0.145
N4 0.327 -1.912 -0.145
H5 1.433 0.652 0.030
H6 -1.433 -0.652 0.030
H7 -1.352 1.800 0.140
H8 1.352 -1.800 0.140
H9 0.077 2.580 0.589
H10 -0.077 -2.580 0.589

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.36521.47892.51821.10722.15942.06622.61012.07003.2509
C21.36522.51821.47892.15941.10722.61012.06623.25092.0700
N31.47892.51823.87992.17192.79781.06944.08371.07114.5585
N42.51821.47893.87992.79782.17194.08371.06944.55851.0711
H51.10722.15942.17192.79783.14863.01392.45522.42243.6106
H62.15941.10722.79782.17193.14862.45523.01393.61062.4224
H72.06622.61011.06944.08373.01392.45524.50131.68864.5833
H82.61012.06624.08371.06942.45523.01394.50134.58331.6886
H92.07003.25091.07114.55852.42243.61061.68864.58335.1623
H103.25092.07004.55851.07113.61062.42244.58331.68865.1623

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 124.557 C1 C2 H6 121.365
C1 N3 H7 107.254 C1 N3 H9 107.458
C2 C1 N3 124.557 C2 C1 H5 121.365
C2 N4 H8 107.254 C2 N4 H10 107.458
N3 C1 H5 113.466 N4 C2 H6 113.466
H7 N3 H9 104.163 H8 N4 H10 104.163
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.052      
2 C -0.052      
3 N -0.337      
4 N -0.337      
5 H 0.064      
6 H 0.064      
7 H 0.163      
8 H 0.163      
9 H 0.162      
10 H 0.162      


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 2.744 2.744
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.854 -1.092 0.000
y -1.092 -21.975 0.000
z 0.000 0.000 -25.091
Traceless
 xyz
x 3.679 -1.092 0.000
y -1.092 0.497 0.000
z 0.000 0.000 -4.177
Polar
3z2-r2-8.353
x2-y22.121
xy-1.092
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.331 -0.050 0.000
y -0.050 6.609 0.000
z 0.000 0.000 1.001


<r2> (average value of r2) Å2
<r2> 101.672
(<r2>)1/2 10.083