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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: wB97X-D/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at wB97X-D/3-21G*
 hartrees
Energy at 0K-188.185606
Energy at 298.15K 
HF Energy-188.185606
Nuclear repulsion energy117.316572
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 wB97X-D/3-21G*
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 3671 3479 2.99      
2 A 3560 3374 2.22      
3 A 3192 3026 0.10      
4 A 1782 1689 0.83      
5 A 1717 1627 13.43      
6 A 1372 1300 1.57      
7 A 1296 1228 0.04      
8 A 1028 975 0.45      
9 A 963 913 90.98      
10 A 579 548 47.22      
11 A 529 502 367.19      
12 A 338 321 27.82      
13 A 240 227 18.66      
14 B 3670 3479 8.81      
15 B 3557 3372 13.60      
16 B 3196 3029 48.74      
17 B 1719 1629 88.18      
18 B 1418 1344 2.57      
19 B 1198 1135 139.90      
20 B 1134 1075 6.42      
21 B 836 793 20.91      
22 B 464 440 273.48      
23 B 339 321 14.96      
24 B 147 139 279.49      

Unscaled Zero Point Vibrational Energy (zpe) 18972.5 cm-1
Scaled (by 0.9478) Zero Point Vibrational Energy (zpe) 17982.1 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 wB97X-D/3-21G*
ABC
1.47054 0.13158 0.12211

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.313 0.591 0.037
C2 -0.313 -0.591 0.037
N3 -0.313 1.849 -0.082
N4 0.313 -1.849 -0.082
H5 1.399 0.630 0.045
H6 -1.399 -0.630 0.045
H7 -1.321 1.854 -0.182
H8 1.321 -1.854 -0.182
H9 0.057 2.600 0.488
H10 -0.057 -2.600 0.488

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.33801.41002.44321.08702.10332.07612.65332.07453.2439
C21.33802.44321.41002.10331.08702.65332.07613.24392.0745
N31.41002.44323.75072.10582.70961.01264.04821.01234.4925
N42.44321.41003.75072.70962.10584.04821.01264.49251.0123
H51.08702.10332.10582.70963.06922.99112.49512.42473.5703
H62.10331.08702.70962.10583.06922.49512.99113.57032.4247
H72.07612.65331.01264.04822.99112.49514.55181.70354.6775
H82.65332.07614.04821.01262.49512.99114.55184.67751.7035
H92.07453.24391.01234.49252.42473.57031.70354.67755.2009
H103.24392.07454.49251.01233.57032.42474.67751.70355.2009

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.490 C1 C2 H6 119.943
C1 N3 H7 117.009 C1 N3 H9 116.874
C2 C1 N3 125.490 C2 C1 H5 119.943
C2 N4 H8 117.009 C2 N4 H10 116.874
N3 C1 H5 114.367 N4 C2 H6 114.367
H7 N3 H9 114.550 H8 N4 H10 114.550
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.025      
2 C -0.025      
3 N -0.775      
4 N -0.775      
5 H 0.198      
6 H 0.198      
7 H 0.301      
8 H 0.301      
9 H 0.301      
10 H 0.301      


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 1.927 1.927
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.757 -2.109 0.000
y -2.109 -19.602 0.000
z 0.000 0.000 -28.054
Traceless
 xyz
x 4.071 -2.109 0.000
y -2.109 4.304 0.000
z 0.000 0.000 -8.375
Polar
3z2-r2-16.749
x2-y2-0.155
xy-2.109
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.570 0.223 0.000
y 0.223 7.909 0.000
z 0.000 0.000 1.684


<r2> (average value of r2) Å2
<r2> 97.894
(<r2>)1/2 9.894