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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: BLYP/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 BLYP/Def2TZVPP
 hartrees
Energy at 0K-189.305044
Energy at 298.15K 
HF Energy-189.305044
Nuclear repulsion energy116.728436
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 BLYP/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 3483 3483 0.84      
2 A 3393 3393 0.08      
3 A 3059 3059 0.06      
4 A 1675 1675 0.38      
5 A 1602 1602 17.04      
6 A 1302 1302 0.56      
7 A 1241 1241 0.00      
8 A 1000 1000 0.75      
9 A 893 893 68.94      
10 A 771 771 124.96      
11 A 538 538 0.96      
12 A 325 325 2.28      
13 A 238 238 16.25      
14 B 3482 3482 2.04      
15 B 3391 3391 0.86      
16 B 3065 3065 48.91      
17 B 1607 1607 37.38      
18 B 1358 1358 9.09      
19 B 1125 1125 92.28      
20 B 1101 1101 3.75      
21 B 769 769 71.57      
22 B 714 714 337.79      
23 B 345 345 36.92      
24 B 250 250 85.36      

Unscaled Zero Point Vibrational Energy (zpe) 18361.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18361.2 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 BLYP/Def2TZVPP
ABC
1.42845 0.13044 0.12129

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.314 0.595 0.046
C2 -0.314 -0.595 0.046
N3 -0.314 1.863 -0.117
N4 0.314 -1.863 -0.117
H5 1.405 0.643 0.049
H6 -1.405 -0.643 0.049
H7 -1.330 1.810 -0.056
H8 1.330 -1.810 -0.056
H9 0.022 2.559 0.548
H10 -0.022 -2.559 0.548

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.34621.42362.46341.09202.11872.04662.61312.04813.2121
C21.34622.46341.42362.11871.09202.61312.04663.21212.0481
N31.42362.46343.77782.11402.73811.01944.02421.01964.4813
N42.46341.42363.77782.73812.11404.02421.01944.48131.0196
H51.09202.11872.11402.73813.09042.97532.45652.41533.5414
H62.11871.09202.73812.11403.09042.45652.97533.54142.4153
H72.04662.61311.01944.02422.97532.45654.49211.65954.6008
H82.61312.04664.02421.01942.45652.97534.49214.60081.6595
H92.04813.21211.01964.48132.41533.54141.65954.60085.1191
H103.21212.04814.48131.01963.54142.41534.60081.65955.1191

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.567 C1 C2 H6 120.316
C1 N3 H7 112.759 C1 N3 H9 112.880
C2 C1 N3 125.567 C2 C1 H5 120.316
C2 N4 H8 112.759 C2 N4 H10 112.880
N3 C1 H5 113.704 N4 C2 H6 113.704
H7 N3 H9 108.956 H8 N4 H10 108.956
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.038      
2 C -0.038      
3 N -0.274      
4 N -0.274      
5 H 0.060      
6 H 0.060      
7 H 0.122      
8 H 0.122      
9 H 0.130      
10 H 0.130      


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 1.928 1.928
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.416 -1.535 0.000
y -1.535 -22.962 0.000
z 0.000 0.000 -28.926
Traceless
 xyz
x 4.529 -1.535 0.000
y -1.535 2.209 0.000
z 0.000 0.000 -6.737
Polar
3z2-r2-13.474
x2-y21.547
xy-1.535
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.185 -0.020 0.000
y -0.020 10.107 0.000
z 0.000 0.000 4.602


<r2> (average value of r2) Å2
<r2> 99.445
(<r2>)1/2 9.972