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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: B97D3/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 B97D3/cc-pVDZ
 hartrees
Energy at 0K-189.190233
Energy at 298.15K 
HF Energy-189.190233
Nuclear repulsion energy116.711142
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/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 3486 3456 0.11      
2 A 3385 3356 0.29      
3 A 3079 3053 0.02      
4 A 1718 1703 0.29      
5 A 1599 1586 16.63      
6 A 1297 1286 0.58      
7 A 1265 1254 0.01      
8 A 1026 1017 1.05      
9 A 896 889 66.01      
10 A 830 822 87.89      
11 A 546 541 0.53      
12 A 334 331 0.36      
13 A 250 248 16.27      
14 B 3484 3455 1.44      
15 B 3382 3354 7.26      
16 B 3081 3055 62.57      
17 B 1606 1593 28.03      
18 B 1359 1348 12.23      
19 B 1166 1157 82.89      
20 B 1112 1103 0.88      
21 B 780 773 382.04      
22 B 744 738 44.27      
23 B 357 354 46.03      
24 B 259 257 76.24      

Unscaled Zero Point Vibrational Energy (zpe) 18521.0 cm-1
Scaled (by 0.9915) Zero Point Vibrational Energy (zpe) 18363.5 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/cc-pVDZ
ABC
1.40987 0.13082 0.12169

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.313 0.599 0.043
C2 -0.313 -0.599 0.043
N3 -0.313 1.862 -0.123
N4 0.313 -1.862 -0.123
H5 1.414 0.645 0.047
H6 -1.414 -0.645 0.047
H7 -1.331 1.782 -0.033
H8 1.331 -1.782 -0.033
H9 0.001 2.530 0.589
H10 -0.001 -2.530 0.589

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.35221.41952.46631.10112.12842.02692.59022.03083.1917
C21.35222.46631.41952.12841.10112.59022.02693.19172.0308
N31.41952.46633.77592.11972.74251.02443.99841.02554.4598
N42.46631.41953.77592.74252.11973.99841.02444.45981.0255
H51.10112.12842.11972.74253.10752.97182.42932.41733.5175
H62.12841.10112.74252.11973.10752.42932.97183.51752.4173
H72.02692.59021.02443.99842.97182.42934.44791.64914.5548
H82.59022.02693.99841.02442.42932.97184.44794.55481.6491
H92.03083.19171.02554.45982.41733.51751.64914.55485.0597
H103.19172.03084.45981.02553.51752.41734.55481.64915.0597

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.686 C1 C2 H6 120.006
C1 N3 H7 111.042 C1 N3 H9 111.303
C2 C1 N3 125.686 C2 C1 H5 120.006
C2 N4 H8 111.042 C2 N4 H10 111.303
N3 C1 H5 113.879 N4 C2 H6 113.879
H7 N3 H9 107.121 H8 N4 H10 107.121
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.027      
2 C -0.027      
3 N -0.109      
4 N -0.109      
5 H -0.018      
6 H -0.018      
7 H 0.069      
8 H 0.069      
9 H 0.085      
10 H 0.085      


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 2.070 2.070
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.924 -1.767 0.000
y -1.767 -22.047 0.000
z 0.000 0.000 -27.538
Traceless
 xyz
x 3.869 -1.767 0.000
y -1.767 2.183 0.000
z 0.000 0.000 -6.052
Polar
3z2-r2-12.104
x2-y21.123
xy-1.767
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.566 0.018 0.000
y 0.018 9.065 0.000
z 0.000 0.000 3.072


<r2> (average value of r2) Å2
<r2> 98.518
(<r2>)1/2 9.926