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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: wB97X-D/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 wB97X-D/cc-pVDZ
 hartrees
Energy at 0K-189.243622
Energy at 298.15K 
HF Energy-189.243622
Nuclear repulsion energy117.395585
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 wB97X-D/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 3625 3453 1.40      
2 A 3530 3362 2.75      
3 A 3170 3019 0.01      
4 A 1801 1716 0.30      
5 A 1637 1559 20.08      
6 A 1333 1270 0.52      
7 A 1297 1236 0.00      
8 A 1056 1006 0.35      
9 A 937 893 63.32      
10 A 838 799 118.36      
11 A 563 537 0.78      
12 A 330 315 1.40      
13 A 256 244 15.28      
14 B 3624 3452 3.12      
15 B 3528 3361 0.27      
16 B 3169 3019 49.32      
17 B 1646 1568 43.61      
18 B 1389 1323 10.80      
19 B 1207 1150 110.72      
20 B 1135 1081 0.55      
21 B 826 787 160.99      
22 B 762 726 256.44      
23 B 351 335 34.91      
24 B 258 246 103.44      

Unscaled Zero Point Vibrational Energy (zpe) 19134.2 cm-1
Scaled (by 0.9526) Zero Point Vibrational Energy (zpe) 18227.2 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 wB97X-D/cc-pVDZ
ABC
1.43256 0.13233 0.12302

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.312 0.592 0.028
C2 -0.312 -0.592 0.028
N3 -0.312 1.853 -0.110
N4 0.312 -1.853 -0.110
H5 1.408 0.635 0.029
H6 -1.408 -0.635 0.029
H7 -1.324 1.779 -0.028
H8 1.324 -1.779 -0.028
H9 0.010 2.508 0.600
H10 -0.010 -2.508 0.600

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.33901.41332.44901.09642.11282.02222.57922.02213.1694
C21.33902.44901.41332.11281.09642.57922.02223.16942.0221
N31.41332.44903.75782.11172.72211.01823.98451.01864.4288
N42.44901.41333.75782.72212.11173.98451.01824.42881.0186
H51.09642.11282.11172.72213.08862.96232.41652.40553.4954
H62.11281.09642.72212.11173.08862.41652.96233.49542.4055
H72.02222.57921.01823.98452.96232.41654.43601.64534.5281
H82.57922.02223.98451.01822.41652.96234.43604.52811.6453
H92.02213.16941.01864.42882.40553.49541.64534.52815.0167
H103.16942.02214.42881.01863.49542.40554.52811.64535.0167

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.679 C1 C2 H6 120.018
C1 N3 H7 111.512 C1 N3 H9 111.475
C2 C1 N3 125.679 C2 C1 H5 120.018
C2 N4 H8 111.512 C2 N4 H10 111.475
N3 C1 H5 113.990 N4 C2 H6 113.990
H7 N3 H9 107.758 H8 N4 H10 107.758
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.038      
2 C -0.038      
3 N -0.166      
4 N -0.166      
5 H 0.012      
6 H 0.012      
7 H 0.088      
8 H 0.088      
9 H 0.104      
10 H 0.104      


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 2.228 2.228
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.568 -1.635 0.000
y -1.635 -22.436 0.000
z 0.000 0.000 -27.536
Traceless
 xyz
x 4.418 -1.635 0.000
y -1.635 1.615 0.000
z 0.000 0.000 -6.034
Polar
3z2-r2-12.068
x2-y21.869
xy-1.635
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.332 0.176 0.000
y 0.176 8.452 0.000
z 0.000 0.000 2.981


<r2> (average value of r2) Å2
<r2> 97.583
(<r2>)1/2 9.878