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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: B3LYPultrafine/daug-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 B3LYPultrafine/daug-cc-pVDZ
 hartrees
Energy at 0K-189.331222
Energy at 298.15K 
HF Energy-189.331222
Nuclear repulsion energy117.126358
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 B3LYPultrafine/daug-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 3593 3593 1.67      
2 A 3496 3496 0.02      
3 A 3147 3147 0.07      
4 A 1747 1747 0.50      
5 A 1626 1626 17.37      
6 A 1327 1327 0.41      
7 A 1271 1271 0.01      
8 A 1026 1026 0.01      
9 A 925 925 67.03      
10 A 768 768 131.37      
11 A 550 550 1.71      
12 A 320 320 3.62      
13 A 241 241 14.56      
14 B 3592 3592 6.78      
15 B 3494 3494 2.39      
16 B 3152 3152 45.46      
17 B 1633 1633 50.26      
18 B 1382 1382 9.33      
19 B 1165 1165 129.17      
20 B 1117 1117 2.18      
21 B 814 814 49.20      
22 B 714 714 298.46      
23 B 340 340 29.65      
24 B 246 246 97.09      

Unscaled Zero Point Vibrational Energy (zpe) 18843.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18843.0 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 B3LYPultrafine/daug-cc-pVDZ
ABC
1.43583 0.13149 0.12216

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/daug-cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.314 0.594 0.036
C2 -0.314 -0.594 0.036
N3 -0.314 1.856 -0.109
N4 0.314 -1.856 -0.109
H5 1.406 0.640 0.039
H6 -1.406 -0.640 0.039
H7 -1.327 1.803 -0.050
H8 1.327 -1.803 -0.050
H9 0.023 2.545 0.557
H10 -0.023 -2.545 0.557

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.34301.41722.45361.09282.11642.04002.60302.04063.1993
C21.34302.45361.41722.11641.09282.60302.04003.19932.0406
N31.41722.45363.76432.11142.72801.01584.01001.01594.4604
N42.45361.41723.76432.72802.11144.01001.01584.46041.0159
H51.09282.11642.11142.72803.08922.97102.44552.41053.5289
H62.11641.09282.72802.11143.08922.44552.97103.52892.4105
H72.04002.60301.01584.01002.97102.44554.47671.65554.5795
H82.60302.04004.01001.01582.44552.97104.47674.57951.6555
H92.04063.19931.01594.46042.41053.52891.65554.57955.0903
H103.19932.04064.46041.01593.52892.41054.57951.65555.0903

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.456 C1 C2 H6 120.302
C1 N3 H7 112.916 C1 N3 H9 112.968
C2 C1 N3 125.456 C2 C1 H5 120.302
C2 N4 H8 112.916 C2 N4 H10 112.968
N3 C1 H5 113.908 N4 C2 H6 113.908
H7 N3 H9 109.145 H8 N4 H10 109.145
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.485      
2 C 0.485      
3 N 0.662      
4 N 0.662      
5 H -0.958      
6 H -0.958      
7 H -0.144      
8 H -0.144      
9 H -0.045      
10 H -0.045      


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 1.999 1.999
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.322 -1.321 0.000
y -1.321 -23.708 0.000
z 0.000 0.000 -29.086
Traceless
 xyz
x 5.074 -1.321 0.000
y -1.321 1.496 0.000
z 0.000 0.000 -6.571
Polar
3z2-r2-13.141
x2-y22.386
xy-1.321
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.497 -0.043 0.000
y -0.043 10.482 0.000
z 0.000 0.000 5.423


<r2> (average value of r2) Å2
<r2> 98.992
(<r2>)1/2 9.949