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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: BLYP/6-311G*

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/6-311G*
 hartrees
Energy at 0K-189.259002
Energy at 298.15K 
HF Energy-189.259002
Nuclear repulsion energy116.453270
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/6-311G*
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 3461 3452 0.02      
2 A 3369 3360 0.05      
3 A 3040 3033 0.03      
4 A 1689 1685 1.26      
5 A 1646 1641 27.01      
6 A 1306 1303 0.74      
7 A 1254 1251 0.01      
8 A 1012 1010 2.08      
9 A 887 884 85.38      
10 A 811 809 129.26      
11 A 538 536 0.90      
12 A 331 330 0.27      
13 A 245 245 20.30      
14 B 3460 3451 4.01      
15 B 3366 3358 11.31      
16 B 3045 3038 68.74      
17 B 1657 1652 47.06      
18 B 1370 1367 7.21      
19 B 1134 1131 65.25      
20 B 1117 1114 3.26      
21 B 763 761 375.50      
22 B 737 736 106.39      
23 B 350 349 46.38      
24 B 252 252 89.85      

Unscaled Zero Point Vibrational Energy (zpe) 18419.2 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 18373.2 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 BLYP/6-311G*
ABC
1.41862 0.12974 0.12080

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.313 0.598 0.051
C2 -0.313 -0.598 0.051
N3 -0.313 1.868 -0.122
N4 0.313 -1.868 -0.122
H5 1.408 0.649 0.053
H6 -1.408 -0.649 0.053
H7 -1.332 1.804 -0.080
H8 1.332 -1.804 -0.080
H9 0.000 2.553 0.572
H10 -0.000 -2.553 0.572

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.34961.42642.47241.09622.12452.04412.61312.04713.2090
C21.34962.47241.42642.12451.09622.61312.04413.20902.0471
N31.42642.47243.78872.11592.75051.02264.02451.02334.4864
N42.47241.42643.78872.75052.11594.02451.02264.48641.0233
H51.09622.12452.11592.75053.09982.97662.45782.42413.5359
H62.12451.09622.75052.11593.09982.45782.97663.53592.4241
H72.04412.61311.02264.02452.97662.45784.48591.66144.6028
H82.61312.04414.02451.02262.45782.97664.48594.60281.6614
H92.04713.20901.02334.48642.42413.53591.66144.60285.1062
H103.20902.04714.48641.02333.53592.42414.60281.66145.1062

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.890 C1 C2 H6 120.252
C1 N3 H7 112.105 C1 N3 H9 112.322
C2 C1 N3 125.890 C2 C1 H5 120.252
C2 N4 H8 112.105 C2 N4 H10 112.322
N3 C1 H5 113.376 N4 C2 H6 113.376
H7 N3 H9 108.591 H8 N4 H10 108.591
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.077      
2 C -0.077      
3 N -0.695      
4 N -0.695      
5 H 0.169      
6 H 0.169      
7 H 0.302      
8 H 0.302      
9 H 0.301      
10 H 0.301      


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 2.236 2.236
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.969 -1.930 0.000
y -1.930 -22.669 0.000
z 0.000 0.000 -28.651
Traceless
 xyz
x 4.690 -1.930 0.000
y -1.930 2.141 0.000
z 0.000 0.000 -6.832
Polar
3z2-r2-13.663
x2-y21.699
xy-1.930
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.639 0.043 0.000
y 0.043 9.324 0.000
z 0.000 0.000 3.359


<r2> (average value of r2) Å2
<r2> 99.567
(<r2>)1/2 9.978