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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: B3LYP/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 B3LYP/cc-pVDZ
 hartrees
Energy at 0K-189.304732
Energy at 298.15K 
HF Energy-189.304732
Nuclear repulsion energy117.061063
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 B3LYP/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 3554 3447 0.35      
2 A 3461 3357 0.86      
3 A 3132 3038 0.01      
4 A 1763 1710 0.34      
5 A 1626 1577 17.55      
6 A 1323 1284 0.62      
7 A 1286 1248 0.00      
8 A 1041 1010 0.48      
9 A 930 902 59.45      
10 A 832 807 109.26      
11 A 555 538 0.74      
12 A 334 324 0.64      
13 A 258 250 15.67      
14 B 3553 3446 1.04      
15 B 3459 3355 1.25      
16 B 3134 3040 53.34      
17 B 1633 1584 34.87      
18 B 1383 1342 11.21      
19 B 1184 1148 97.31      
20 B 1129 1095 0.76      
21 B 810 786 170.75      
22 B 761 739 247.16      
23 B 354 343 44.37      
24 B 260 252 86.53      

Unscaled Zero Point Vibrational Energy (zpe) 18876.6 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 18310.3 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 B3LYP/cc-pVDZ
ABC
1.42786 0.13144 0.12224

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.312 0.595 0.034
C2 -0.312 -0.595 0.034
N3 -0.312 1.858 -0.114
N4 0.312 -1.858 -0.114
H5 1.409 0.640 0.038
H6 -1.409 -0.640 0.038
H7 -1.327 1.788 -0.035
H8 1.327 -1.788 -0.035
H9 0.009 2.523 0.592
H10 -0.009 -2.523 0.592

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.34391.41652.45771.09742.11782.02822.59082.02993.1839
C21.34392.45771.41652.11781.09742.59082.02823.18392.0299
N31.41652.45773.76822.11392.73201.02063.99801.02164.4480
N42.45771.41653.76822.73202.11393.99801.02064.44801.0216
H51.09742.11782.11392.73203.09392.96772.42952.41123.5097
H62.11781.09742.73202.11393.09392.42952.96773.50972.4112
H72.02822.59081.02063.99802.96772.42954.45261.64884.5510
H82.59082.02823.99801.02062.42952.96774.45264.55101.6488
H92.02993.18391.02164.44802.41123.50971.64884.55105.0462
H103.18392.02994.44801.02163.50972.41124.55101.64885.0462

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.807 C1 C2 H6 119.990
C1 N3 H7 111.619 C1 N3 H9 111.706
C2 C1 N3 125.807 C2 C1 H5 119.990
C2 N4 H8 111.619 C2 N4 H10 111.706
N3 C1 H5 113.862 N4 C2 H6 113.862
H7 N3 H9 107.677 H8 N4 H10 107.677
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.021      
2 C -0.021      
3 N -0.116      
4 N -0.116      
5 H -0.019      
6 H -0.019      
7 H 0.070      
8 H 0.070      
9 H 0.086      
10 H 0.086      


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 2.125 2.125
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.938 -1.706 0.000
y -1.706 -22.342 0.000
z 0.000 0.000 -27.595
Traceless
 xyz
x 4.030 -1.706 0.000
y -1.706 1.925 0.000
z 0.000 0.000 -5.955
Polar
3z2-r2-11.910
x2-y21.404
xy-1.706
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.450 0.102 0.000
y 0.102 8.724 0.000
z 0.000 0.000 3.002


<r2> (average value of r2) Å2
<r2> 98.206
(<r2>)1/2 9.910