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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: B3LYP/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3LYP/aug-cc-pVDZ
 hartrees
Energy at 0K-189.330077
Energy at 298.15K 
HF Energy-189.330077
Nuclear repulsion energy117.107061
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 B3LYP/aug-cc-pVDZ
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 3595 3488 1.82      
2 A 3497 3393 0.03      
3 A 3146 3053 0.07      
4 A 1748 1696 0.58      
5 A 1624 1576 17.06      
6 A 1326 1287 0.52      
7 A 1270 1233 0.00      
8 A 1026 995 0.02      
9 A 924 897 68.60      
10 A 766 744 132.39      
11 A 550 534 1.90      
12 A 322 313 3.52      
13 A 242 234 15.18      
14 B 3594 3488 6.83      
15 B 3495 3392 2.49      
16 B 3151 3058 45.59      
17 B 1631 1583 50.04      
18 B 1381 1340 9.40      
19 B 1166 1131 130.08      
20 B 1116 1083 2.28      
21 B 811 787 51.49      
22 B 712 691 297.91      
23 B 341 331 30.78      
24 B 248 241 98.67      

Unscaled Zero Point Vibrational Energy (zpe) 18840.6 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 18282.9 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 B3LYP/aug-cc-pVDZ
ABC
1.43548 0.13144 0.12212

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.314 0.594 0.037
C2 -0.314 -0.594 0.037
N3 -0.314 1.856 -0.109
N4 0.314 -1.856 -0.109
H5 1.407 0.640 0.039
H6 -1.407 -0.640 0.039
H7 -1.327 1.804 -0.054
H8 1.327 -1.804 -0.054
H9 0.023 2.546 0.556
H10 -0.023 -2.546 0.556

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.34311.41722.45401.09382.11712.04092.60472.04113.2003
C21.34312.45401.41722.11711.09382.60472.04093.20032.0411
N31.41722.45403.76452.11182.72881.01594.01131.01604.4616
N42.45401.41723.76452.72882.11184.01131.01594.46161.0160
H51.09382.11712.11182.72883.09082.97242.44732.41163.5303
H62.11711.09382.72882.11183.09082.44732.97243.53032.4116
H72.04092.60471.01594.01132.97242.44734.47901.65674.5825
H82.60472.04094.01131.01592.44732.97244.47904.58251.6567
H92.04113.20031.01604.46162.41163.53031.65674.58255.0926
H103.20032.04114.46161.01603.53032.41164.58251.65675.0926

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.488 C1 C2 H6 120.286
C1 N3 H7 112.996 C1 N3 H9 113.009
C2 C1 N3 125.488 C2 C1 H5 120.286
C2 N4 H8 112.996 C2 N4 H10 113.009
N3 C1 H5 113.882 N4 C2 H6 113.882
H7 N3 H9 109.252 H8 N4 H10 109.252
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.917      
2 C 0.917      
3 N -0.111      
4 N -0.111      
5 H -0.634      
6 H -0.634      
7 H -0.088      
8 H -0.088      
9 H -0.083      
10 H -0.083      


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 1.988 1.988
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.306 -1.374 0.000
y -1.374 -23.666 0.000
z 0.000 0.000 -29.086
Traceless
 xyz
x 5.071 -1.374 0.000
y -1.374 1.530 0.000
z 0.000 0.000 -6.600
Polar
3z2-r2-13.201
x2-y22.361
xy-1.374
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.406 0.016 0.000
y 0.016 10.336 0.000
z 0.000 0.000 5.334


<r2> (average value of r2) Å2
<r2> 99.016
(<r2>)1/2 9.951