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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: B2PLYP=FULL/6-31G**

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=FULL/6-31G**
 hartrees
Energy at 0K-189.101698
Energy at 298.15K 
HF Energy-188.893168
Nuclear repulsion energy117.493780
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=FULL/6-31G**
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 3645 3645 0.58      
2 A 3540 3540 1.00      
3 A 3194 3194 0.11      
4 A 1781 1781 0.09      
5 A 1669 1669 24.74      
6 A 1355 1355 0.75      
7 A 1302 1302 0.01      
8 A 1053 1053 0.91      
9 A 951 951 55.40      
10 A 841 841 147.85      
11 A 559 559 0.99      
12 A 331 331 0.01      
13 A 256 256 19.02      
14 B 3644 3644 1.63      
15 B 3539 3539 0.03      
16 B 3196 3196 50.85      
17 B 1678 1678 45.46      
18 B 1414 1414 9.21      
19 B 1198 1198 80.41      
20 B 1143 1143 0.65      
21 B 809 809 238.67      
22 B 763 763 215.64      
23 B 350 350 44.57      
24 B 257 257 96.70      

Unscaled Zero Point Vibrational Energy (zpe) 19233.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19233.6 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=FULL/6-31G**
ABC
1.43544 0.13235 0.12308

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.314 0.592 0.035
C2 -0.314 -0.592 0.035
N3 -0.314 1.852 -0.111
N4 0.314 -1.852 -0.111
H5 1.399 0.636 0.037
H6 -1.399 -0.636 0.037
H7 -1.323 1.776 -0.061
H8 1.323 -1.776 -0.061
H9 -0.006 2.513 0.593
H10 0.006 -2.513 0.593

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.34001.41522.44841.08642.10792.02222.57582.02563.1695
C21.34002.44841.41522.10791.08642.57582.02223.16952.0256
N31.41522.44843.75682.10592.71871.01323.98041.01354.4329
N42.44841.41523.75682.71872.10593.98041.01324.43291.0135
H51.08642.10792.10592.71873.07432.95272.41532.40963.4881
H62.10791.08642.71872.10593.07432.41532.95273.48812.4096
H72.02222.57581.01323.98042.95272.41534.42901.64444.5373
H82.57582.02223.98041.01322.41532.95274.42904.53731.6444
H92.02563.16951.01354.43292.40963.48811.64444.53735.0258
H103.16952.02564.43291.01353.48812.40964.53731.64445.0258

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.380 C1 C2 H6 120.255
C1 N3 H7 111.692 C1 N3 H9 111.964
C2 C1 N3 125.380 C2 C1 H5 120.255
C2 N4 H8 111.692 C2 N4 H10 111.964
N3 C1 H5 114.018 N4 C2 H6 114.018
H7 N3 H9 108.458 H8 N4 H10 108.458
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability