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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: B97D3/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-189.263250
Energy at 298.15K 
HF Energy-189.263250
Nuclear repulsion energy117.288406
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/Def2TZVPP
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 3536 3487 0.98      
2 A 3439 3392 0.09      
3 A 3082 3039 0.05      
4 A 1701 1677 0.42      
5 A 1614 1592 17.63      
6 A 1309 1291 0.55      
7 A 1256 1238 0.00      
8 A 1013 1000 0.82      
9 A 898 886 68.53      
10 A 785 774 120.78      
11 A 545 538 1.03      
12 A 328 323 2.32      
13 A 238 235 16.78      
14 B 3535 3486 2.21      
15 B 3437 3390 0.76      
16 B 3087 3044 55.02      
17 B 1620 1598 39.35      
18 B 1368 1349 9.80      
19 B 1147 1131 99.97      
20 B 1109 1094 1.75      
21 B 772 761 105.24      
22 B 725 715 303.86      
23 B 349 344 36.93      
24 B 250 246 87.81      

Unscaled Zero Point Vibrational Energy (zpe) 18569.7 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 18315.3 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/Def2TZVPP
ABC
1.43511 0.13187 0.12259

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/Def2TZVPP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.313 0.594 0.044
C2 -0.313 -0.594 0.044
N3 -0.313 1.853 -0.116
N4 0.313 -1.853 -0.116
H5 1.403 0.639 0.047
H6 -1.403 -0.639 0.047
H7 -1.324 1.792 -0.054
H8 1.324 -1.792 -0.054
H9 0.015 2.541 0.554
H10 -0.015 -2.541 0.554

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.34251.41562.45171.09022.11262.03152.59282.03473.1926
C21.34252.45171.41562.11261.09022.59282.03153.19262.0347
N31.41562.45173.75832.10822.72421.01473.99621.01494.4545
N42.45171.41563.75832.72422.10823.99621.01474.45451.0149
H51.09022.11262.10822.72423.08242.96232.43412.40823.5183
H62.11261.09022.72422.10823.08242.43412.96233.51832.4082
H72.03152.59281.01473.99622.96232.43414.45621.65084.5668
H82.59282.03153.99621.01472.43412.96234.45624.56681.6508
H92.03473.19261.01494.45452.40823.51831.65084.56685.0819
H103.19262.03474.45451.01493.51832.40824.56681.65085.0819

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.461 C1 C2 H6 120.194
C1 N3 H7 112.373 C1 N3 H9 112.637
C2 C1 N3 125.461 C2 C1 H5 120.194
C2 N4 H8 112.373 C2 N4 H10 112.637
N3 C1 H5 113.929 N4 C2 H6 113.929
H7 N3 H9 108.851 H8 N4 H10 108.851
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.024      
2 C -0.024      
3 N -0.280      
4 N -0.280      
5 H 0.037      
6 H 0.037      
7 H 0.128      
8 H 0.128      
9 H 0.139      
10 H 0.139      


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 1.940 1.940
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.023 -1.545 0.000
y -1.545 -22.647 0.000
z 0.000 0.000 -28.510
Traceless
 xyz
x 4.556 -1.545 0.000
y -1.545 2.119 0.000
z 0.000 0.000 -6.675
Polar
3z2-r2-13.350
x2-y21.624
xy-1.545
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.091 -0.004 0.000
y -0.004 9.925 0.000
z 0.000 0.000 4.583


<r2> (average value of r2) Å2
<r2> 98.298
(<r2>)1/2 9.915