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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: wB97X-D/CEP-31G

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/CEP-31G
 hartrees
Energy at 0K-34.637656
Energy at 298.15K 
HF Energy-34.637656
Nuclear repulsion energy65.746231
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/CEP-31G
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 3809 3809 3.12      
2 A 3666 3666 0.79      
3 A 3194 3194 0.01      
4 A 1778 1778 3.85      
5 A 1678 1678 6.46      
6 A 1334 1334 0.34      
7 A 1277 1277 2.05      
8 A 995 995 0.33      
9 A 938 938 128.16      
10 A 554 554 14.61      
11 A 379 379 516.79      
12 A 336 336 103.78      
13 A 202 202 35.21      
14 B 3810 3810 12.05      
15 B 3664 3664 20.97      
16 B 3196 3196 83.83      
17 B 1684 1684 146.59      
18 B 1380 1380 10.19      
19 B 1219 1219 235.88      
20 B 1074 1074 4.77      
21 B 819 819 20.13      
22 B 334 334 175.34      
23 B 308 308 16.48      
24 B 155 155 174.02      

Unscaled Zero Point Vibrational Energy (zpe) 18891.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18891.8 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/CEP-31G
ABC
1.43038 0.12812 0.11857

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.325 0.605 0.048
C2 -0.325 -0.605 0.048
N3 -0.325 1.868 -0.069
N4 0.325 -1.868 -0.069
H5 1.418 0.655 0.056
H6 -1.418 -0.655 0.056
H7 -1.322 1.902 -0.240
H8 1.322 -1.902 -0.240
H9 0.090 2.674 0.378
H10 -0.090 -2.674 0.378

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.37381.42562.47561.09402.15122.11662.71312.10863.3217
C21.37382.47561.42562.15121.09402.71312.11663.32172.1086
N31.42562.47563.79212.12762.75241.01214.11771.01124.5701
N42.47561.42563.79212.75242.12764.11771.01214.57011.0112
H51.09402.15122.12762.75243.12443.02532.57582.43833.6690
H62.15121.09402.75242.12763.12442.57583.02533.66902.4383
H72.11662.71311.01214.11773.02532.57584.63291.72414.7793
H82.71312.11664.11771.01212.57583.02534.63294.77931.7241
H92.10863.32171.01124.57012.43833.66901.72414.77935.3513
H103.32172.10864.57011.01123.66902.43834.77931.72415.3513

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 124.337 C1 C2 H6 120.899
C1 N3 H7 119.553 C1 N3 H9 118.861
C2 C1 N3 124.337 C2 C1 H5 120.899
C2 N4 H8 119.553 C2 N4 H10 118.861
N3 C1 H5 114.580 N4 C2 H6 114.580
H7 N3 H9 116.893 H8 N4 H10 116.893
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.276      
2 C -0.276      
3 N -0.510      
4 N -0.510      
5 H 0.220      
6 H 0.220      
7 H 0.285      
8 H 0.285      
9 H 0.281      
10 H 0.281      


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 1.299 1.299
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.607 -1.716 0.000
y -1.716 -18.672 0.000
z 0.000 0.000 -29.356
Traceless
 xyz
x 4.407 -1.716 0.000
y -1.716 5.810 0.000
z 0.000 0.000 -10.217
Polar
3z2-r2-20.434
x2-y2-0.935
xy-1.716
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.749 0.433 0.000
y 0.433 8.539 0.000
z 0.000 0.000 2.834


<r2> (average value of r2) Å2
<r2> 84.210
(<r2>)1/2 9.177