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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: B2PLYP=FULLultrafine/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B2PLYP=FULLultrafine/6-311G**
 hartrees
Energy at 0K-189.174105
Energy at 298.15K 
HF Energy-188.938131
Nuclear repulsion energy117.471449
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 B2PLYP=FULLultrafine/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3621 3621 0.89      
2 A 3526 3526 0.96      
3 A 3160 3160 0.01      
4 A 1755 1755 0.04      
5 A 1652 1652 24.65      
6 A 1340 1340 0.69      
7 A 1293 1293 0.00      
8 A 1044 1044 0.77      
9 A 933 933 81.70      
10 A 831 831 131.77      
11 A 555 555 1.08      
12 A 326 326 1.23      
13 A 250 250 17.09      
14 B 3620 3620 1.83      
15 B 3524 3524 0.50      
16 B 3163 3163 51.30      
17 B 1661 1661 50.72      
18 B 1401 1401 7.57      
19 B 1183 1183 92.19      
20 B 1139 1139 0.80      
21 B 806 806 209.14      
22 B 760 760 226.78      
23 B 344 344 35.11      
24 B 248 248 98.74      

Unscaled Zero Point Vibrational Energy (zpe) 19067.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19067.0 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 B2PLYP=FULLultrafine/6-311G**
ABC
1.43886 0.13220 0.12294

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-311G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.313 0.592 0.037
C2 -0.313 -0.592 0.037
N3 -0.313 1.853 -0.112
N4 0.313 -1.853 -0.112
H5 1.399 0.634 0.038
H6 -1.399 -0.634 0.038
H7 -1.322 1.781 -0.060
H8 1.322 -1.781 -0.060
H9 0.002 2.519 0.583
H10 -0.002 -2.519 0.583

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.33921.41582.44921.08702.10622.02432.58052.02663.1737
C21.33922.44921.41582.10621.08702.58052.02433.17372.0266
N31.41582.44923.75832.10692.71821.01263.98541.01274.4372
N42.44921.41583.75832.71822.10693.98541.01264.43721.0127
H51.08702.10622.10692.71823.07282.95462.41902.40823.4933
H62.10621.08702.71822.10693.07282.41902.95463.49332.4082
H72.02432.58051.01263.98542.95462.41904.43651.64624.5436
H82.58052.02433.98541.01262.41902.95464.43654.54361.6462
H92.02663.17371.01274.43722.40823.49331.64624.54365.0372
H103.17372.02664.43721.01273.49332.40824.54361.64625.0372

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.477 C1 C2 H6 120.130
C1 N3 H7 111.863 C1 N3 H9 112.066
C2 C1 N3 125.477 C2 C1 H5 120.130
C2 N4 H8 111.863 C2 N4 H10 112.066
N3 C1 H5 114.027 N4 C2 H6 114.027
H7 N3 H9 108.748 H8 N4 H10 108.748
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability