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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: wB97X-D/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at wB97X-D/6-31+G**
 hartrees
Energy at 0K-189.251507
Energy at 298.15K 
HF Energy-189.251507
Nuclear repulsion energy117.548211
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 wB97X-D/6-31+G**
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 3683 3508 3.26      
2 A 3578 3407 1.57      
3 A 3190 3038 0.06      
4 A 1794 1708 0.96      
5 A 1662 1582 26.97      
6 A 1345 1281 0.47      
7 A 1290 1228 0.13      
8 A 1047 997 0.10      
9 A 934 889 81.11      
10 A 774 738 185.33      
11 A 562 535 3.29      
12 A 326 310 3.99      
13 A 243 231 20.11      
14 B 3683 3507 11.45      
15 B 3576 3405 5.85      
16 B 3191 3039 52.45      
17 B 1670 1591 78.73      
18 B 1396 1329 7.13      
19 B 1197 1139 147.09      
20 B 1128 1074 2.05      
21 B 818 779 67.79      
22 B 714 680 330.03      
23 B 343 327 24.34      
24 B 244 232 128.70      

Unscaled Zero Point Vibrational Energy (zpe) 19192.4 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 18276.9 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 wB97X-D/6-31+G**
ABC
1.44317 0.13253 0.12312

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31+G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.314 0.590 0.035
C2 -0.314 -0.590 0.035
N3 -0.314 1.849 -0.104
N4 0.314 -1.849 -0.104
H5 1.401 0.637 0.034
H6 -1.401 -0.637 0.034
H7 -1.324 1.797 -0.079
H8 1.324 -1.797 -0.079
H9 0.011 2.532 0.568
H10 -0.011 -2.532 0.568

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.33711.41272.44291.08882.10902.03752.59482.03583.1840
C21.33712.44291.41272.10901.08882.59482.03753.18402.0358
N31.41272.44293.74992.10442.71661.01243.99651.01214.4419
N42.44291.41273.74992.71662.10443.99651.01244.44191.0121
H51.08882.10902.10442.71663.07882.96452.43752.40993.5103
H62.10901.08882.71662.10443.07882.43752.96453.51032.4099
H72.03752.59481.01243.99652.96452.43754.46421.65644.5693
H82.59482.03753.99651.01242.43752.96454.46424.56931.6564
H92.03583.18401.01214.44192.40993.51031.65644.56935.0635
H103.18402.03584.44191.01213.51032.40994.56931.65645.0635

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.319 C1 C2 H6 120.432
C1 N3 H7 113.285 C1 N3 H9 113.153
C2 C1 N3 125.319 C2 C1 H5 120.432
C2 N4 H8 113.285 C2 N4 H10 113.153
N3 C1 H5 113.922 N4 C2 H6 113.922
H7 N3 H9 109.802 H8 N4 H10 109.802
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.107      
2 C -0.107      
3 N -0.612      
4 N -0.612      
5 H 0.133      
6 H 0.133      
7 H 0.290      
8 H 0.290      
9 H 0.296      
10 H 0.296      


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 2.255 2.255
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.516 -1.682 0.000
y -1.682 -23.317 0.000
z 0.000 0.000 -29.075
Traceless
 xyz
x 5.680 -1.682 0.000
y -1.682 1.479 0.000
z 0.000 0.000 -7.159
Polar
3z2-r2-14.317
x2-y22.801
xy-1.682
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.618 0.293 0.000
y 0.293 9.246 0.000
z 0.000 0.000 4.567


<r2> (average value of r2) Å2
<r2> 98.109
(<r2>)1/2 9.905