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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

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

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/6-31G*
 hartrees
Energy at 0K-189.224279
Energy at 298.15K 
HF Energy-189.224279
Nuclear repulsion energy117.571495
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/6-31G*
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 3647 3459 0.86      
2 A 3547 3365 2.21      
3 A 3192 3028 0.11      
4 A 1813 1720 0.09      
5 A 1692 1605 28.98      
6 A 1360 1290 0.65      
7 A 1310 1243 0.01      
8 A 1065 1010 1.13      
9 A 950 902 60.27      
10 A 842 799 168.30      
11 A 566 537 1.22      
12 A 332 315 0.25      
13 A 253 240 20.52      
14 B 3646 3458 1.95      
15 B 3546 3363 0.05      
16 B 3192 3028 55.10      
17 B 1702 1614 56.28      
18 B 1416 1343 7.73      
19 B 1211 1149 93.31      
20 B 1150 1090 0.90      
21 B 827 784 181.01      
22 B 763 723 295.99      
23 B 352 334 36.32      
24 B 254 241 120.29      

Unscaled Zero Point Vibrational Energy (zpe) 19313.4 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 18318.8 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/6-31G*
ABC
1.43935 0.13261 0.12329

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.313 0.590 0.032
C2 -0.313 -0.590 0.032
N3 -0.313 1.850 -0.108
N4 0.313 -1.850 -0.108
H5 1.401 0.638 0.031
H6 -1.401 -0.638 0.031
H7 -1.324 1.780 -0.060
H8 1.324 -1.780 -0.060
H9 0.001 2.512 0.594
H10 -0.001 -2.512 0.594

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.33581.41352.44451.08942.10812.02532.57892.02653.1683
C21.33582.44451.41352.10811.08942.57892.02533.16832.0265
N31.41352.44453.75292.10382.71921.01453.98261.01464.4294
N42.44451.41353.75292.71922.10383.98261.01454.42941.0146
H51.08942.10812.10382.71923.07862.95592.42122.40633.4932
H62.10811.08942.71922.10383.07862.42122.95593.49322.4063
H72.02532.57891.01453.98262.95592.42124.43701.64844.5390
H82.57892.02533.98261.01452.42122.95594.43704.53901.6484
H92.02653.16831.01464.42942.40633.49321.64844.53905.0239
H103.16832.02654.42941.01463.49322.40634.53901.64845.0239

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.503 C1 C2 H6 120.406
C1 N3 H7 112.009 C1 N3 H9 112.101
C2 C1 N3 125.503 C2 C1 H5 120.406
C2 N4 H8 112.009 C2 N4 H10 112.101
N3 C1 H5 113.761 N4 C2 H6 113.761
H7 N3 H9 108.664 H8 N4 H10 108.664
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.030      
2 C -0.030      
3 N -0.766      
4 N -0.766      
5 H 0.146      
6 H 0.146      
7 H 0.324      
8 H 0.324      
9 H 0.325      
10 H 0.325      


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 2.477 2.477
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.112 -1.804 0.000
y -1.804 -22.809 0.000
z 0.000 0.000 -27.652
Traceless
 xyz
x 5.118 -1.804 0.000
y -1.804 1.074 0.000
z 0.000 0.000 -6.191
Polar
3z2-r2-12.383
x2-y22.696
xy-1.804
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.073 0.171 0.000
y 0.171 8.231 0.000
z 0.000 0.000 2.633


<r2> (average value of r2) Å2
<r2> 97.435
(<r2>)1/2 9.871