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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: B97D3/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B97D3/TZVP
 hartrees
Energy at 0K-189.251392
Energy at 298.15K 
HF Energy-189.251392
Nuclear repulsion energy117.190294
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 B97D3/TZVP
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 3537 3486 0.78      
2 A 3437 3387 0.40      
3 A 3082 3038 0.07      
4 A 1701 1677 0.67      
5 A 1622 1599 22.96      
6 A 1312 1293 0.39      
7 A 1255 1237 0.01      
8 A 1014 1000 0.79      
9 A 896 883 71.64      
10 A 778 767 146.88      
11 A 546 538 1.29      
12 A 328 324 2.22      
13 A 240 237 19.48      
14 B 3536 3485 1.62      
15 B 3435 3385 0.68      
16 B 3087 3043 58.96      
17 B 1629 1605 50.23      
18 B 1370 1350 7.66      
19 B 1144 1128 102.17      
20 B 1114 1097 2.31      
21 B 763 752 86.17      
22 B 721 710 334.54      
23 B 348 343 38.81      
24 B 250 246 99.10      

Unscaled Zero Point Vibrational Energy (zpe) 18571.9 cm-1
Scaled (by 0.9856) Zero Point Vibrational Energy (zpe) 18304.4 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 B97D3/TZVP
ABC
1.43098 0.13167 0.12243

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/TZVP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.313 0.594 0.048
C2 -0.313 -0.594 0.048
N3 -0.313 1.854 -0.117
N4 0.313 -1.854 -0.117
H5 1.403 0.640 0.051
H6 -1.403 -0.640 0.051
H7 -1.326 1.793 -0.079
H8 1.326 -1.793 -0.079
H9 0.006 2.545 0.556
H10 -0.006 -2.545 0.556

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.34341.41662.45341.09112.11472.03532.59652.03883.1955
C21.34342.45341.41662.11471.09112.59652.03533.19552.0388
N31.41662.45343.76002.10892.72721.01543.99881.01594.4602
N42.45341.41663.76002.72722.10893.99881.01544.46021.0159
H51.09112.11472.10892.72723.08542.96602.43842.41563.5194
H62.11471.09112.72722.10893.08542.43842.96603.51942.4156
H72.03532.59651.01543.99882.96602.43844.46081.65594.5787
H82.59652.03533.99881.01542.43842.96604.46084.57871.6559
H92.03883.19551.01594.46022.41563.51941.65594.57875.0894
H103.19552.03884.46021.01593.51942.41564.57871.65595.0894

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.457 C1 C2 H6 120.242
C1 N3 H7 112.585 C1 N3 H9 112.862
C2 C1 N3 125.457 C2 C1 H5 120.242
C2 N4 H8 112.585 C2 N4 H10 112.862
N3 C1 H5 113.862 N4 C2 H6 113.862
H7 N3 H9 109.211 H8 N4 H10 109.211
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.110      
2 C -0.110      
3 N -0.372      
4 N -0.372      
5 H 0.084      
6 H 0.084      
7 H 0.193      
8 H 0.193      
9 H 0.206      
10 H 0.206      


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 2.064 2.064
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.840 -1.761 0.000
y -1.761 -22.604 0.000
z 0.000 0.000 -28.790
Traceless
 xyz
x 4.857 -1.761 0.000
y -1.761 2.211 0.000
z 0.000 0.000 -7.068
Polar
3z2-r2-14.136
x2-y21.764
xy-1.761
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.840 0.096 0.000
y 0.096 9.697 0.000
z 0.000 0.000 4.319


<r2> (average value of r2) Å2
<r2> 98.450
(<r2>)1/2 9.922