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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: B1B95/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B1B95/6-311G**
 hartrees
Energy at 0K-189.252632
Energy at 298.15K 
HF Energy-189.252632
Nuclear repulsion energy118.008879
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 B1B95/6-311G**
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 3643 3497 1.15      
2 A 3546 3405 1.69      
3 A 3159 3033 0.00      
4 A 1783 1712 0.34      
5 A 1648 1582 24.44      
6 A 1335 1282 0.57      
7 A 1292 1240 0.05      
8 A 1043 1002 0.14      
9 A 937 900 74.01      
10 A 805 772 148.89      
11 A 554 532 1.97      
12 A 333 320 1.70      
13 A 252 242 17.59      
14 B 3642 3497 2.79      
15 B 3545 3403 0.56      
16 B 3162 3036 55.26      
17 B 1656 1590 58.06      
18 B 1393 1337 10.05      
19 B 1198 1151 112.78      
20 B 1128 1083 1.10      
21 B 817 784 86.08      
22 B 738 709 337.48      
23 B 345 331 42.88      
24 B 245 235 100.30      

Unscaled Zero Point Vibrational Energy (zpe) 19099.2 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 18337.2 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 B1B95/6-311G**
ABC
1.45489 0.13349 0.12411

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.310 0.590 0.036
C2 -0.310 -0.590 0.036
N3 -0.310 1.843 -0.110
N4 0.310 -1.843 -0.110
H5 1.396 0.631 0.037
H6 -1.396 -0.631 0.037
H7 -1.317 1.779 -0.064
H8 1.317 -1.779 -0.064
H9 0.008 2.515 0.574
H10 -0.008 -2.515 0.574

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.33261.40632.43691.08612.09762.01842.57562.02153.1666
C21.33262.43691.40632.09761.08612.57562.01843.16662.0215
N31.40632.43693.73782.09812.70531.01013.97101.01034.4213
N42.43691.40633.73782.70532.09813.97101.01014.42131.0103
H51.08612.09762.09812.70533.06322.94782.41292.40053.4862
H62.09761.08612.70532.09813.06322.41292.94783.48622.4005
H72.01842.57561.01013.97102.94782.41294.42701.64524.5338
H82.57562.01843.97101.01012.41292.94784.42704.53381.6452
H92.02153.16661.01034.42132.40053.48621.64524.53385.0294
H103.16662.02154.42131.01033.48622.40054.53381.64525.0294

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.663 C1 C2 H6 119.932
C1 N3 H7 112.260 C1 N3 H9 112.516
C2 C1 N3 125.663 C2 C1 H5 119.932
C2 N4 H8 112.260 C2 N4 H10 112.516
N3 C1 H5 114.048 N4 C2 H6 114.048
H7 N3 H9 109.037 H8 N4 H10 109.037
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.059      
2 C -0.059      
3 N -0.452      
4 N -0.452      
5 H 0.107      
6 H 0.107      
7 H 0.199      
8 H 0.199      
9 H 0.205      
10 H 0.205      


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 2.181 2.181
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.502 -1.691 0.000
y -1.691 -22.420 0.000
z 0.000 0.000 -28.016
Traceless
 xyz
x 4.716 -1.691 0.000
y -1.691 1.839 0.000
z 0.000 0.000 -6.555
Polar
3z2-r2-13.109
x2-y21.918
xy-1.691
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.419 0.158 0.000
y 0.158 8.692 0.000
z 0.000 0.000 3.374


<r2> (average value of r2) Å2
<r2> 96.990
(<r2>)1/2 9.848