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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: B2PLYP=FULLultrafine/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=FULLultrafine/6-31G
 hartrees
Energy at 0K-188.953669
Energy at 298.15K 
HF Energy-188.818343
Nuclear repulsion energy116.953703
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/6-31G
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 3722 3722 2.69      
2 A 3597 3597 0.58      
3 A 3183 3183 0.23      
4 A 1764 1764 0.58      
5 A 1721 1721 13.59      
6 A 1374 1374 1.49      
7 A 1299 1299 0.96      
8 A 1031 1031 0.78      
9 A 944 944 67.53      
10 A 579 579 134.75      
11 A 532 532 329.74      
12 A 344 344 4.47      
13 A 240 240 34.62      
14 B 3721 3721 5.92      
15 B 3595 3595 10.30      
16 B 3185 3185 63.25      
17 B 1725 1725 86.22      
18 B 1421 1421 5.37      
19 B 1208 1208 148.38      
20 B 1133 1133 5.77      
21 B 799 799 25.59      
22 B 485 485 320.77      
23 B 331 331 10.65      
24 B 192 192 184.66      

Unscaled Zero Point Vibrational Energy (zpe) 19061.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19061.8 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/6-31G
ABC
1.45118 0.13076 0.12139

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.318 0.595 0.049
C2 -0.318 -0.595 0.049
N3 -0.318 1.852 -0.085
N4 0.318 -1.852 -0.085
H5 1.405 0.641 0.060
H6 -1.405 -0.641 0.060
H7 -1.315 1.857 -0.237
H8 1.315 -1.857 -0.237
H9 0.027 2.616 0.476
H10 -0.027 -2.616 0.476

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.34971.41452.45131.08822.12042.08332.66352.08593.2583
C21.34972.45131.41452.12041.08822.66352.08333.25832.0859
N31.41452.45133.75842.11032.72411.00914.05591.00854.5131
N42.45131.41453.75842.72412.11034.05591.00914.51311.0085
H51.08822.12042.11032.72413.08842.99412.51812.44403.5825
H62.12041.08822.72412.11033.08842.51812.99413.58252.4440
H72.08332.66351.00914.05592.99412.51814.55171.69844.7101
H82.66352.08334.05591.00912.51812.99414.55174.71011.6984
H92.08593.25831.00854.51312.44403.58251.69844.71015.2331
H103.25832.08594.51311.00853.58252.44404.71011.69845.2331

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 124.935 C1 C2 H6 120.486
C1 N3 H7 117.572 C1 N3 H9 117.858
C2 C1 N3 124.935 C2 C1 H5 120.486
C2 N4 H8 117.572 C2 N4 H10 117.858
N3 C1 H5 114.336 N4 C2 H6 114.336
H7 N3 H9 114.666 H8 N4 H10 114.666
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability