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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: B3LYPultrafine/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3LYPultrafine/cc-pVTZ
 hartrees
Energy at 0K-189.375516
Energy at 298.15K 
HF Energy-189.375516
Nuclear repulsion energy117.644404
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 B3LYPultrafine/cc-pVTZ
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 3591 3472 1.27      
2 A 3500 3383 0.56      
3 A 3130 3026 0.02      
4 A 1748 1689 0.25      
5 A 1644 1589 18.68      
6 A 1339 1295 0.68      
7 A 1280 1237 0.00      
8 A 1031 997 0.45      
9 A 931 900 69.57      
10 A 795 768 134.71      
11 A 554 535 1.28      
12 A 329 318 2.42      
13 A 244 236 15.65      
14 B 3590 3471 3.51      
15 B 3498 3381 0.88      
16 B 3135 3031 48.51      
17 B 1650 1595 46.22      
18 B 1395 1349 8.93      
19 B 1165 1126 104.32      
20 B 1130 1092 1.64      
21 B 818 790 78.48      
22 B 733 708 334.17      
23 B 346 334 32.65      
24 B 249 240 96.65      

Unscaled Zero Point Vibrational Energy (zpe) 18910.9 cm-1
Scaled (by 0.9667) Zero Point Vibrational Energy (zpe) 18281.2 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 B3LYPultrafine/cc-pVTZ
ABC
1.45476 0.13243 0.12313

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.311 0.590 0.036
C2 -0.311 -0.590 0.036
N3 -0.311 1.850 -0.109
N4 0.311 -1.850 -0.109
H5 1.396 0.633 0.039
H6 -1.396 -0.633 0.039
H7 -1.319 1.796 -0.053
H8 1.319 -1.796 -0.053
H9 0.021 2.530 0.562
H10 -0.021 -2.530 0.562

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.33381.41312.44431.08552.10002.03012.59152.03133.1816
C21.33382.44431.41312.10001.08552.59152.03013.18162.0313
N31.41312.44433.75232.10162.71401.01123.99441.01154.4410
N42.44431.41313.75232.71402.10163.99441.01124.44101.0115
H51.08552.10002.10162.71403.06552.95512.43212.40023.5057
H62.10001.08552.71402.10163.06552.43212.95513.50572.4002
H72.03012.59151.01123.99442.95512.43214.45691.64804.5584
H82.59152.03013.99441.01122.43212.95514.45694.55841.6480
H92.03133.18161.01154.44102.40023.50571.64804.55845.0609
H103.18162.03134.44101.01153.50572.40024.55841.64805.0609

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.683 C1 C2 H6 120.109
C1 N3 H7 112.680 C1 N3 H9 112.768
C2 C1 N3 125.683 C2 C1 H5 120.109
C2 N4 H8 112.680 C2 N4 H10 112.768
N3 C1 H5 113.876 N4 C2 H6 113.876
H7 N3 H9 109.118 H8 N4 H10 109.118
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.087      
2 C -0.087      
3 N -0.272      
4 N -0.272      
5 H 0.093      
6 H 0.093      
7 H 0.130      
8 H 0.130      
9 H 0.136      
10 H 0.136      


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 2.000 2.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.998 -1.502 0.000
y -1.502 -22.785 0.000
z 0.000 0.000 -28.331
Traceless
 xyz
x 4.561 -1.502 0.000
y -1.502 1.879 0.000
z 0.000 0.000 -6.440
Polar
3z2-r2-12.880
x2-y21.787
xy-1.502
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.823 0.078 0.000
y 0.078 9.294 0.000
z 0.000 0.000 4.029


<r2> (average value of r2) Å2
<r2> 97.889
(<r2>)1/2 9.894