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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: BLYP/daug-cc-pVDZ

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/daug-cc-pVDZ
 hartrees
Energy at 0K-189.250623
Energy at 298.15K 
HF Energy-189.250623
Nuclear repulsion energy116.191982
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/daug-cc-pVDZ
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 3472 3472 0.78      
2 A 3376 3376 0.29      
3 A 3067 3067 0.09      
4 A 1675 1675 0.42      
5 A 1581 1581 15.82      
6 A 1290 1290 0.39      
7 A 1232 1232 0.00      
8 A 994 994 0.13      
9 A 884 884 66.44      
10 A 752 752 118.14      
11 A 534 534 1.15      
12 A 314 314 2.76      
13 A 236 236 14.90      
14 B 3472 3472 2.91      
15 B 3374 3374 1.48      
16 B 3072 3072 48.60      
17 B 1587 1587 39.93      
18 B 1344 1344 9.35      
19 B 1123 1123 111.18      
20 B 1089 1089 3.68      
21 B 765 765 51.99      
22 B 702 702 300.56      
23 B 338 338 32.36      
24 B 245 245 84.46      

Unscaled Zero Point Vibrational Energy (zpe) 18257.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18257.8 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 BLYP/daug-cc-pVDZ
ABC
1.41008 0.12941 0.12027

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/daug-cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.316 0.599 0.045
C2 -0.316 -0.599 0.045
N3 -0.316 1.870 -0.117
N4 0.316 -1.870 -0.117
H5 1.415 0.650 0.048
H6 -1.415 -0.650 0.048
H7 -1.337 1.815 -0.047
H8 1.337 -1.815 -0.047
H9 0.023 2.570 0.550
H10 -0.023 -2.570 0.550

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.35511.42862.47411.09952.13462.05412.62222.05553.2268
C21.35512.47411.42862.13461.09952.62222.05413.22682.0555
N31.42862.47413.79262.12422.75341.02434.03891.02454.4989
N42.47411.42863.79262.75342.12424.03891.02434.49891.0245
H51.09952.13462.12422.75343.11362.98952.46742.42413.5614
H62.13461.09952.75342.12423.11362.46742.98953.56142.4241
H72.05412.62221.02434.03892.98952.46744.50781.66594.6158
H82.62222.05414.03891.02432.46742.98954.50784.61581.6659
H92.05553.22681.02454.49892.42413.56141.66594.61585.1396
H103.22682.05554.49891.02453.56142.42414.61581.66595.1396

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.422 C1 C2 H6 120.482
C1 N3 H7 112.690 C1 N3 H9 112.803
C2 C1 N3 125.422 C2 C1 H5 120.482
C2 N4 H8 112.690 C2 N4 H10 112.803
N3 C1 H5 113.692 N4 C2 H6 113.692
H7 N3 H9 108.801 H8 N4 H10 108.801
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.564      
2 C 0.564      
3 N 0.738      
4 N 0.738      
5 H -1.077      
6 H -1.077      
7 H -0.163      
8 H -0.163      
9 H -0.062      
10 H -0.062      


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 1.938 1.938
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.732 -1.333 0.000
y -1.333 -23.835 0.000
z 0.000 0.000 -29.419
Traceless
 xyz
x 4.895 -1.333 0.000
y -1.333 1.741 0.000
z 0.000 0.000 -6.636
Polar
3z2-r2-13.271
x2-y22.102
xy-1.333
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.860 -0.171 0.000
y -0.171 11.257 0.000
z 0.000 0.000 5.742


<r2> (average value of r2) Å2
<r2> 100.509
(<r2>)1/2 10.025