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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: MP3=FULL/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 MP3=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-188.807953
Energy at 298.15K 
HF Energy-188.121933
Nuclear repulsion energy116.762292
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 MP3=FULL/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 3640 3640 2.41      
2 A 3544 3544 0.09      
3 A 3200 3200 0.08      
4 A 1783 1783 0.15      
5 A 1649 1649 19.68      
6 A 1341 1341 0.51      
7 A 1291 1291 0.08      
8 A 1047 1047 0.36      
9 A 943 943 69.04      
10 A 822 822 102.74      
11 A 551 551 1.44      
12 A 309 309 1.70      
13 A 245 245 15.11      
14 B 3640 3640 6.32      
15 B 3543 3543 4.22      
16 B 3202 3202 41.75      
17 B 1658 1658 49.56      
18 B 1399 1399 9.46      
19 B 1182 1182 97.60      
20 B 1135 1135 0.40      
21 B 823 823 153.96      
22 B 757 757 174.72      
23 B 333 333 26.47      
24 B 241 241 97.42      

Unscaled Zero Point Vibrational Energy (zpe) 19139.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19139.3 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 MP3=FULL/aug-cc-pVDZ
ABC
1.40924 0.13084 0.12163

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/aug-cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.318 0.594 0.031
C2 -0.318 -0.594 0.031
N3 -0.318 1.864 -0.109
N4 0.318 -1.864 -0.109
H5 1.412 0.637 0.032
H6 -1.412 -0.637 0.032
H7 -1.331 1.783 -0.066
H8 1.331 -1.783 -0.066
H9 -0.019 2.514 0.613
H10 0.019 -2.514 0.613

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.34811.42722.46221.09492.12362.03472.58542.03383.1760
C21.34812.46221.42722.12361.09492.58542.03473.17602.0338
N31.42722.46223.78192.12592.73341.01674.00231.01664.4495
N42.46221.42723.78192.73342.12594.00231.01674.44951.0166
H51.09492.12362.12592.73343.09842.97412.42302.43053.4936
H62.12361.09492.73342.12593.09842.42302.97413.49362.4305
H72.03472.58541.01674.00232.97412.42304.44901.64814.5540
H82.58542.03474.00231.01672.42302.97414.44904.55401.6481
H92.03383.17601.01664.44952.43053.49361.64814.55405.0273
H103.17602.03384.44951.01663.49362.43054.55401.64815.0273

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.026 C1 C2 H6 120.400
C1 N3 H7 111.629 C1 N3 H9 111.553
C2 C1 N3 125.026 C2 C1 H5 120.400
C2 N4 H8 111.629 C2 N4 H10 111.553
N3 C1 H5 114.257 N4 C2 H6 114.257
H7 N3 H9 108.299 H8 N4 H10 108.299
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability