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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: HF/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at HF/LANL2DZ
 hartrees
Energy at 0K-188.040895
Energy at 298.15K 
HF Energy-188.040895
Nuclear repulsion energy117.610098
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 HF/LANL2DZ
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 3975 3577 8.00 92.45 0.71 0.83
2 A 3838 3454 1.98 225.20 0.09 0.16
3 A 3364 3027 0.02 141.57 0.30 0.46
4 A 1900 1710 1.48 85.65 0.22 0.36
5 A 1820 1638 9.56 9.70 0.75 0.86
6 A 1462 1316 0.41 29.12 0.49 0.65
7 A 1362 1226 0.95 9.27 0.74 0.85
8 A 1083 974 20.04 8.21 0.38 0.55
9 A 1058 952 84.14 4.60 0.28 0.44
10 A 601 540 26.82 10.52 0.27 0.42
11 A 481 433 504.18 3.62 0.07 0.13
12 A 336 302 45.28 2.25 0.72 0.83
13 A 232 209 31.24 2.78 0.75 0.86
14 B 3975 3577 25.98 29.71 0.75 0.86
15 B 3837 3453 27.67 31.10 0.75 0.86
16 B 3368 3031 77.15 0.74 0.75 0.86
17 B 1826 1643 131.56 1.72 0.75 0.86
18 B 1505 1354 4.15 0.33 0.75 0.86
19 B 1256 1130 223.75 0.09 0.75 0.86
20 B 1189 1070 11.36 5.62 0.75 0.86
21 B 940 846 28.07 22.54 0.75 0.86
22 B 431 388 283.04 1.23 0.75 0.86
23 B 336 303 4.02 0.66 0.75 0.86
24 B 108 97 226.04 0.38 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 20140.8 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 18124.7 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 HF/LANL2DZ
ABC
1.49583 0.13137 0.12205

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.315 0.588 0.036
C2 -0.315 -0.588 0.036
N3 -0.315 1.849 -0.067
N4 0.315 -1.849 -0.067
H5 1.390 0.630 0.045
H6 -1.390 -0.630 0.045
H7 -1.290 1.886 -0.261
H8 1.290 -1.886 -0.261
H9 0.049 2.603 0.469
H10 -0.049 -2.603 0.469

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.33531.41352.43971.07532.09602.08532.67582.07743.2410
C21.33532.43971.41352.09601.07532.67582.08533.24102.0774
N31.41352.43973.75182.09932.70440.99414.07010.99384.4918
N42.43971.41353.75182.70442.09934.07010.99414.49180.9938
H51.07532.09602.09932.70443.05212.97512.53662.42233.5640
H62.09601.07532.70442.09933.05212.53662.97513.56402.4223
H72.08532.67580.99414.07012.97512.53664.56971.68514.7137
H82.67582.08534.07010.99412.53662.97514.56974.71371.6851
H92.07743.24100.99384.49182.42233.56401.68514.71375.2063
H103.24102.07744.49180.99383.56402.42234.71371.68515.2063

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.113 C1 C2 H6 120.416
C1 N3 H7 118.987 C1 N3 H9 118.257
C2 C1 N3 125.113 C2 C1 H5 120.416
C2 N4 H8 118.987 C2 N4 H10 118.257
N3 C1 H5 114.334 N4 C2 H6 114.334
H7 N3 H9 115.913 H8 N4 H10 115.913
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.043      
2 C -0.043      
3 N -0.785      
4 N -0.785      
5 H 0.185      
6 H 0.185      
7 H 0.321      
8 H 0.321      
9 H 0.322      
10 H 0.322      


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 1.653 1.653
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.430 -1.832 0.000
y -1.832 -21.175 0.000
z 0.000 0.000 -29.391
Traceless
 xyz
x 4.853 -1.832 0.000
y -1.832 3.736 0.000
z 0.000 0.000 -8.589
Polar
3z2-r2-17.178
x2-y20.745
xy-1.832
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.636 0.640 0.000
y 0.640 7.765 0.000
z 0.000 0.000 2.556


<r2> (average value of r2) Å2
<r2> 98.703
(<r2>)1/2 9.935