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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: BLYP/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at BLYP/6-31+G**
 hartrees
Energy at 0K-189.237207
Energy at 298.15K 
HF Energy-189.237207
Nuclear repulsion energy116.223130
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 BLYP/6-31+G**
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 3500 3481 1.14      
2 A 3398 3380 0.06      
3 A 3070 3054 0.06      
4 A 1679 1670 0.47      
5 A 1604 1596 24.38      
6 A 1297 1290 0.68      
7 A 1234 1228 0.03      
8 A 997 992 0.34      
9 A 884 880 77.29      
10 A 757 753 161.32      
11 A 534 531 1.98      
12 A 318 316 2.38      
13 A 237 236 20.36      
14 B 3499 3480 2.87      
15 B 3396 3378 1.37      
16 B 3075 3059 56.37      
17 B 1611 1603 54.98      
18 B 1350 1343 7.95      
19 B 1126 1120 118.39      
20 B 1091 1085 5.10      
21 B 752 748 78.14      
22 B 703 700 322.19      
23 B 339 337 39.65      
24 B 249 248 97.77      

Unscaled Zero Point Vibrational Energy (zpe) 18349.5 cm-1
Scaled (by 0.9947) Zero Point Vibrational Energy (zpe) 18252.3 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 BLYP/6-31+G**
ABC
1.41018 0.12942 0.12034

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.316 0.599 0.050
C2 -0.316 -0.599 0.050
N3 -0.316 1.869 -0.117
N4 0.316 -1.869 -0.117
H5 1.411 0.651 0.051
H6 -1.411 -0.651 0.051
H7 -1.338 1.815 -0.083
H8 1.338 -1.815 -0.083
H9 0.008 2.571 0.553
H10 -0.008 -2.571 0.553

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.35481.42862.47361.09642.13272.05732.62472.05883.2264
C21.35482.47361.42862.13271.09642.62472.05733.22642.0588
N31.42862.47363.79092.12032.75311.02354.03841.02384.5012
N42.47361.42863.79092.75312.12034.03841.02354.50121.0238
H51.09642.13272.12032.75313.10902.98842.47122.43083.5571
H62.13271.09642.75312.12033.10902.47122.98843.55712.4308
H72.05732.62471.02354.03842.98842.47124.50961.66974.6276
H82.62472.05734.03841.02352.47122.98844.50964.62761.6697
H92.05883.22641.02384.50122.43083.55711.66974.62765.1429
H103.22642.05884.50121.02383.55712.43084.62761.66975.1429

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.399 C1 C2 H6 120.575
C1 N3 H7 113.035 C1 N3 H9 113.139
C2 C1 N3 125.399 C2 C1 H5 120.575
C2 N4 H8 113.035 C2 N4 H10 113.139
N3 C1 H5 113.576 N4 C2 H6 113.576
H7 N3 H9 109.285 H8 N4 H10 109.285
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.092      
2 C -0.092      
3 N -0.553      
4 N -0.553      
5 H 0.098      
6 H 0.098      
7 H 0.270      
8 H 0.270      
9 H 0.277      
10 H 0.277      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 2.124 2.124
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.329 -1.757 0.000
y -1.757 -23.483 0.000
z 0.000 0.000 -29.775
Traceless
 xyz
x 5.300 -1.757 0.000
y -1.757 2.069 0.000
z 0.000 0.000 -7.369
Polar
3z2-r2-14.737
x2-y22.154
xy-1.757
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.050 0.117 0.000
y 0.117 10.189 0.000
z 0.000 0.000 5.042


<r2> (average value of r2) Å2
<r2> 100.414
(<r2>)1/2 10.021