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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: BLYP/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-189.303003
Energy at 298.15K 
HF Energy-189.303003
Nuclear repulsion energy116.721788
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/aug-cc-pVTZ
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 3482 3470 1.00      
2 A 3394 3382 0.15      
3 A 3057 3047 0.08      
4 A 1672 1667 0.30      
5 A 1602 1596 15.46      
6 A 1301 1296 0.48      
7 A 1236 1232 0.00      
8 A 996 992 0.56      
9 A 892 889 68.16      
10 A 752 749 123.89      
11 A 536 534 1.33      
12 A 321 319 2.94      
13 A 234 234 15.09      
14 B 3481 3469 3.88      
15 B 3392 3380 1.31      
16 B 3063 3053 46.47      
17 B 1607 1601 40.26      
18 B 1357 1352 8.81      
19 B 1119 1115 108.36      
20 B 1097 1094 6.63      
21 B 771 768 53.47      
22 B 701 699 304.23      
23 B 341 339 33.07      
24 B 248 247 84.58      

Unscaled Zero Point Vibrational Energy (zpe) 18324.7 cm-1
Scaled (by 0.9966) Zero Point Vibrational Energy (zpe) 18262.4 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/aug-cc-pVTZ
ABC
1.43144 0.13039 0.12121

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/aug-cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.314 0.595 0.044
C2 -0.314 -0.595 0.044
N3 -0.314 1.863 -0.114
N4 0.314 -1.863 -0.114
H5 1.404 0.643 0.047
H6 -1.404 -0.643 0.047
H7 -1.330 1.815 -0.053
H8 1.330 -1.815 -0.053
H9 0.029 2.564 0.541
H10 -0.029 -2.564 0.541

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.34541.42402.46261.09132.11832.05042.61752.05083.2160
C21.34542.46261.42402.11831.09132.61752.05043.21602.0508
N31.42402.46263.77812.11352.73771.01904.02961.01914.4841
N42.46261.42403.77812.73772.11354.02961.01904.48411.0191
H51.09132.11832.11352.73773.08972.97712.46202.41333.5479
H62.11831.09132.73772.11353.08972.46202.97713.54792.4133
H72.05042.61751.01904.02962.97712.46204.50151.66164.6071
H82.61752.05044.02961.01902.46202.97714.50154.60711.6616
H92.05083.21601.01914.48412.41333.54791.66164.60715.1285
H103.21602.05084.48411.01913.54792.41334.60711.66165.1285

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.528 C1 C2 H6 120.404
C1 N3 H7 113.085 C1 N3 H9 113.116
C2 C1 N3 125.528 C2 C1 H5 120.404
C2 N4 H8 113.085 C2 N4 H10 113.116
N3 C1 H5 113.673 N4 C2 H6 113.673
H7 N3 H9 109.221 H8 N4 H10 109.221
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.084      
2 C -0.084      
3 N -0.349      
4 N -0.349      
5 H 0.337      
6 H 0.337      
7 H 0.056      
8 H 0.056      
9 H 0.040      
10 H 0.040      


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 1.904 1.904
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.652 -1.344 0.000
y -1.344 -23.596 0.000
z 0.000 0.000 -29.313
Traceless
 xyz
x 4.803 -1.344 0.000
y -1.344 1.886 0.000
z 0.000 0.000 -6.688
Polar
3z2-r2-13.377
x2-y21.944
xy-1.344
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.728 -0.137 0.000
y -0.137 11.036 0.000
z 0.000 0.000 5.641


<r2> (average value of r2) Å2
<r2> 99.768
(<r2>)1/2 9.988