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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: B97D3/6-31+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 B97D3/6-31+G**
 hartrees
Energy at 0K-189.198454
Energy at 298.15K 
HF Energy-189.198454
Nuclear repulsion energy116.843011
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 B97D3/6-31+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 3556 3495 1.29      
2 A 3448 3389 0.21      
3 A 3099 3046 0.08      
4 A 1707 1677 0.50      
5 A 1623 1595 25.50      
6 A 1308 1285 0.66      
7 A 1253 1231 0.03      
8 A 1013 996 0.39      
9 A 891 875 80.76      
10 A 775 762 156.99      
11 A 543 534 1.94      
12 A 321 316 2.42      
13 A 238 234 20.87      
14 B 3555 3494 3.29      
15 B 3445 3386 1.01      
16 B 3103 3049 62.84      
17 B 1631 1603 57.78      
18 B 1364 1341 8.40      
19 B 1150 1131 124.36      
20 B 1104 1085 2.42      
21 B 757 744 129.60      
22 B 717 704 278.28      
23 B 343 337 38.52      
24 B 249 244 101.51      

Unscaled Zero Point Vibrational Energy (zpe) 18596.3 cm-1
Scaled (by 0.9828) Zero Point Vibrational Energy (zpe) 18276.5 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 B97D3/6-31+G**
ABC
1.41954 0.13094 0.12172

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31+G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.315 0.597 0.048
C2 -0.315 -0.597 0.048
N3 -0.315 1.858 -0.117
N4 0.315 -1.858 -0.117
H5 1.408 0.646 0.048
H6 -1.408 -0.646 0.048
H7 -1.331 1.798 -0.078
H8 1.331 -1.798 -0.078
H9 0.004 2.552 0.557
H10 -0.004 -2.552 0.557

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.35061.41982.46101.09332.12502.04132.60412.04393.2059
C21.35062.46101.41982.12501.09332.60412.04133.20592.0439
N31.41982.46103.76992.11302.73751.01784.00961.01824.4725
N42.46101.41983.76992.73752.11304.00961.01784.47251.0182
H51.09332.12502.11302.73753.09792.97312.44852.42113.5329
H62.12501.09332.73752.11303.09792.44852.97313.53292.4211
H72.04132.60411.01784.00962.97312.44854.47311.65934.5918
H82.60412.04134.00961.01782.44852.97314.47314.59181.6593
H92.04393.20591.01824.47252.42113.53291.65934.59185.1042
H103.20592.04394.47251.01823.53292.42114.59181.65935.1042

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.304 C1 C2 H6 120.431
C1 N3 H7 112.694 C1 N3 H9 112.901
C2 C1 N3 125.304 C2 C1 H5 120.431
C2 N4 H8 112.694 C2 N4 H10 112.901
N3 C1 H5 113.811 N4 C2 H6 113.811
H7 N3 H9 109.177 H8 N4 H10 109.177
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.120      
2 C -0.120      
3 N -0.564      
4 N -0.564      
5 H 0.118      
6 H 0.118      
7 H 0.280      
8 H 0.280      
9 H 0.286      
10 H 0.286      


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 2.150 2.150
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.902 -1.769 0.000
y -1.769 -23.123 0.000
z 0.000 0.000 -29.336
Traceless
 xyz
x 5.328 -1.769 0.000
y -1.769 1.996 0.000
z 0.000 0.000 -7.323
Polar
3z2-r2-14.647
x2-y22.221
xy-1.769
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.905 0.135 0.000
y 0.135 9.944 0.000
z 0.000 0.000 4.867


<r2> (average value of r2) Å2
<r2> 99.173
(<r2>)1/2 9.959