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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: BLYP/daug-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/daug-cc-pVTZ
 hartrees
Energy at 0K-189.303250
Energy at 298.15K 
HF Energy-189.303250
Nuclear repulsion energy116.723536
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/daug-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 3481 3481 0.99      
2 A 3393 3393 0.17      
3 A 3056 3056 0.08      
4 A 1672 1672 0.30      
5 A 1601 1601 15.58      
6 A 1301 1301 0.48      
7 A 1236 1236 0.00      
8 A 996 996 0.53      
9 A 892 892 67.73      
10 A 752 752 124.15      
11 A 536 536 1.32      
12 A 321 321 2.88      
13 A 235 235 15.08      
14 B 3480 3480 3.84      
15 B 3391 3391 1.34      
16 B 3062 3062 46.51      
17 B 1606 1606 40.32      
18 B 1357 1357 8.79      
19 B 1119 1119 108.34      
20 B 1097 1097 6.63      
21 B 772 772 51.25      
22 B 701 701 305.05      
23 B 341 341 33.31      
24 B 248 248 84.02      

Unscaled Zero Point Vibrational Energy (zpe) 18321.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18321.5 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/daug-cc-pVTZ
ABC
1.43147 0.13040 0.12122

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/daug-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
C11.34541.42402.46261.09132.11832.05042.61752.05093.2160
C21.34542.46261.42402.11831.09132.61752.05043.21602.0509
N31.42402.46263.77802.11352.73771.01904.02951.01914.4840
N42.46261.42403.77802.73772.11354.02951.01904.48401.0191
H51.09132.11832.11352.73773.08972.97712.46202.41353.5476
H62.11831.09132.73772.11353.08972.46202.97713.54762.4135
H72.05042.61751.01904.02952.97712.46204.50141.66164.6072
H82.61752.05044.02951.01902.46202.97714.50144.60721.6616
H92.05093.21601.01914.48402.41353.54761.66164.60725.1283
H103.21602.05094.48401.01913.54762.41354.60721.66165.1283

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.529 C1 C2 H6 120.400
C1 N3 H7 113.091 C1 N3 H9 113.123
C2 C1 N3 125.529 C2 C1 H5 120.400
C2 N4 H8 113.091 C2 N4 H10 113.123
N3 C1 H5 113.678 N4 C2 H6 113.678
H7 N3 H9 109.225 H8 N4 H10 109.225
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.208      
2 C -0.208      
3 N -0.438      
4 N -0.438      
5 H 0.472      
6 H 0.472      
7 H 0.038      
8 H 0.038      
9 H 0.136      
10 H 0.136      


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 1.905 1.905
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.653 -1.335 0.000
y -1.335 -23.611 0.000
z 0.000 0.000 -29.318
Traceless
 xyz
x 4.811 -1.335 0.000
y -1.335 1.875 0.000
z 0.000 0.000 -6.686
Polar
3z2-r2-13.373
x2-y21.958
xy-1.335
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.763 -0.164 0.000
y -0.164 11.111 0.000
z 0.000 0.000 5.691


<r2> (average value of r2) Å2
<r2> 99.770
(<r2>)1/2 9.989