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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: B2PLYP=FULLultrafine/TZVP

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/TZVP
 hartrees
Energy at 0K-189.189716
Energy at 298.15K 
HF Energy-188.955329
Nuclear repulsion energy117.634549
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/TZVP
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 3629 3629 1.81      
2 A 3531 3531 1.21      
3 A 3170 3170 0.06      
4 A 1752 1752 0.58      
5 A 1657 1657 24.67      
6 A 1350 1350 0.38      
7 A 1288 1288 0.00      
8 A 1039 1039 0.71      
9 A 929 929 76.79      
10 A 807 807 155.87      
11 A 557 557 1.51      
12 A 324 324 2.83      
13 A 245 245 18.27      
14 B 3628 3628 4.58      
15 B 3529 3529 2.69      
16 B 3174 3174 46.06      
17 B 1664 1664 58.64      
18 B 1406 1406 6.34      
19 B 1175 1175 105.58      
20 B 1139 1139 1.47      
21 B 799 799 122.70      
22 B 746 746 292.95      
23 B 341 341 30.69      
24 B 246 246 107.80      

Unscaled Zero Point Vibrational Energy (zpe) 19060.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19060.8 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/TZVP
ABC
1.44504 0.13261 0.12328

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/TZVP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.313 0.590 0.041
C2 -0.313 -0.590 0.041
N3 -0.313 1.848 -0.111
N4 0.313 -1.848 -0.111
H5 1.397 0.634 0.041
H6 -1.397 -0.634 0.041
H7 -1.322 1.789 -0.077
H8 1.322 -1.789 -0.077
H9 0.005 2.528 0.566
H10 -0.005 -2.528 0.566

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.33541.41402.44291.08482.10262.03112.58672.03213.1781
C21.33542.44291.41402.10261.08482.58672.03113.17812.0321
N31.41402.44293.74962.10312.71281.01103.98831.01094.4396
N42.44291.41403.74962.71282.10313.98831.01104.43961.0109
H51.08482.10262.10312.71283.06792.95652.42702.40873.4987
H62.10261.08482.71282.10313.06792.42702.95653.49872.4087
H72.03112.58671.01103.98832.95652.42704.44901.65004.5595
H82.58672.03113.98831.01102.42702.95654.44904.55951.6500
H92.03213.17811.01094.43962.40873.49871.65004.55955.0567
H103.17812.03214.43961.01093.49872.40874.55951.65005.0567

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.358 C1 C2 H6 120.282
C1 N3 H7 112.714 C1 N3 H9 112.808
C2 C1 N3 125.358 C2 C1 H5 120.282
C2 N4 H8 112.714 C2 N4 H10 112.808
N3 C1 H5 113.984 N4 C2 H6 113.984
H7 N3 H9 109.380 H8 N4 H10 109.380
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability