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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: B2PLYP/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 B2PLYP/daug-cc-pVDZ
 hartrees
Energy at 0K-189.132477
Energy at 298.15K 
HF Energy-188.918536
Nuclear repulsion energy117.033149
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 B2PLYP/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 3610 3610 2.12      
2 ?a 3610 3610 7.43      
3 A 3509 3509 0.03      
4 A 3173 3173 0.08      
5 A 1746 1746 0.27      
6 A 1633 1633 18.31      
7 A 1331 1331 0.44      
8 A 1278 1278 0.00      
9 A 1033 1033 0.09      
10 A 931 931 68.83      
11 A 789 789 119.98      
12 A 550 550 1.55      
13 A 317 317 2.72      
14 A 244 244 15.10      
15 B 3508 3508 2.99      
16 B 3177 3177 42.70      
17 B 1641 1641 48.22      
18 B 1387 1387 9.16      
19 B 1172 1172 118.21      
20 B 1123 1123 1.57      
21 B 811 811 75.77      
22 B 735 735 268.92      
23 B 339 339 31.29      
24 B 247 247 94.64      

Unscaled Zero Point Vibrational Energy (zpe) 18946.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18946.0 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 B2PLYP/daug-cc-pVDZ
ABC
1.42405 0.13141 0.12211

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/daug-cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.316 0.594 0.036
C2 -0.316 -0.594 0.036
N3 -0.316 1.857 -0.111
N4 0.316 -1.857 -0.111
H5 1.407 0.639 0.039
H6 -1.407 -0.639 0.039
H7 -1.329 1.792 -0.058
H8 1.329 -1.792 -0.058
H9 0.005 2.534 0.575
H10 -0.005 -2.534 0.575

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.34611.41982.45591.09252.11912.03642.59362.03753.1910
C21.34612.45591.41982.11911.09252.59362.03643.19102.0375
N31.41982.45593.76782.11602.72831.01614.00261.01604.4558
N42.45591.41983.76782.72832.11604.00261.01614.45581.0160
H51.09252.11912.11602.72833.09132.97062.43362.41853.5144
H62.11911.09252.72832.11603.09132.43362.97063.51442.4185
H72.03642.59361.01614.00262.97062.43364.46101.65234.5682
H82.59362.03644.00261.01612.43362.97064.46104.56821.6523
H92.03753.19101.01604.45582.41853.51441.65234.56825.0689
H103.19102.03754.45581.01603.51442.41854.56821.65235.0689

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.203 C1 C2 H6 120.329
C1 N3 H7 112.378 C1 N3 H9 112.486
C2 C1 N3 125.203 C2 C1 H5 120.329
C2 N4 H8 112.378 C2 N4 H10 112.486
N3 C1 H5 114.125 N4 C2 H6 114.125
H7 N3 H9 108.800 H8 N4 H10 108.800
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.461      
2 C 0.461      
3 N 0.470      
4 N 0.470      
5 H -0.802      
6 H -0.802      
7 H -0.109      
8 H -0.109      
9 H -0.020      
10 H -0.020      


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 2.049 2.049
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.413 -1.354 0.000
y -1.354 -24.203 0.000
z 0.000 0.000 -29.210
Traceless
 xyz
x 5.294 -1.354 0.000
y -1.354 1.108 0.000
z 0.000 0.000 -6.402
Polar
3z2-r2-12.803
x2-y22.791
xy-1.354
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.445 -0.031 0.000
y -0.031 10.274 0.000
z 0.000 0.000 5.421


<r2> (average value of r2) Å2
<r2> 99.135
(<r2>)1/2 9.957