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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: B3LYPultrafine/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3LYPultrafine/6-311+G(3df,2p)
 hartrees
Energy at 0K-189.375649
Energy at 298.15K 
HF Energy-189.375649
Nuclear repulsion energy117.647031
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 B3LYPultrafine/6-311+G(3df,2p)
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 3605 3605 2.11      
2 A 3515 3515 0.24      
3 A 3131 3131 0.06      
4 A 1744 1744 0.44      
5 A 1643 1643 18.64      
6 A 1340 1340 0.42      
7 A 1275 1275 0.00      
8 A 1026 1026 0.08      
9 A 932 932 69.72      
10 A 763 763 142.17      
11 A 553 553 2.09      
12 A 326 326 4.15      
13 A 239 239 15.02      
14 B 3605 3605 9.04      
15 B 3513 3513 4.39      
16 B 3136 3136 43.11      
17 B 1649 1649 54.24      
18 B 1394 1394 8.59      
19 B 1162 1162 129.21      
20 B 1123 1123 3.08      
21 B 820 820 48.32      
22 B 708 708 313.12      
23 B 342 342 29.40      
24 B 248 248 99.14      

Unscaled Zero Point Vibrational Energy (zpe) 18894.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18894.9 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 B3LYPultrafine/6-311+G(3df,2p)
ABC
1.45686 0.13250 0.12312

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-311+G(3df,2p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.312 0.589 0.036
C2 -0.312 -0.589 0.036
N3 -0.312 1.848 -0.106
N4 0.312 -1.848 -0.106
H5 1.396 0.634 0.038
H6 -1.396 -0.634 0.038
H7 -1.321 1.805 -0.053
H8 1.321 -1.805 -0.053
H9 0.031 2.541 0.545
H10 -0.031 -2.541 0.545

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.33351.41232.44191.08542.10112.03742.59962.03693.1905
C21.33352.44191.41232.10111.08542.59962.03743.19052.0369
N31.41232.44193.74912.10082.71281.01124.00181.01124.4468
N42.44191.41233.74912.71282.10084.00181.01124.44681.0112
H51.08542.10112.10082.71283.06712.96002.44172.39983.5185
H62.10111.08542.71282.10083.06712.44172.96003.51852.3998
H72.03742.59961.01124.00182.96002.44174.47291.65204.5728
H82.59962.03744.00181.01122.44172.96004.47294.57281.6520
H92.03693.19051.01124.44682.39983.51851.65204.57285.0833
H103.19052.03694.44681.01123.51852.39984.57281.65205.0833

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.548 C1 C2 H6 120.249
C1 N3 H7 113.387 C1 N3 H9 113.346
C2 C1 N3 125.548 C2 C1 H5 120.249
C2 N4 H8 113.387 C2 N4 H10 113.346
N3 C1 H5 113.876 N4 C2 H6 113.876
H7 N3 H9 109.541 H8 N4 H10 109.541
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.262      
2 C 0.262      
3 N -0.799      
4 N -0.799      
5 H 0.133      
6 H 0.133      
7 H 0.199      
8 H 0.199      
9 H 0.205      
10 H 0.205      


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 1.980 1.980
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.172 -1.368 0.000
y -1.368 -23.317 0.000
z 0.000 0.000 -29.053
Traceless
 xyz
x 5.014 -1.368 0.000
y -1.368 1.795 0.000
z 0.000 0.000 -6.809
Polar
3z2-r2-13.617
x2-y22.146
xy-1.368
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.168 0.053 0.000
y 0.053 9.996 0.000
z 0.000 0.000 5.151


<r2> (average value of r2) Å2
<r2> 98.244
(<r2>)1/2 9.912