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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: HSEh1PBE/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at HSEh1PBE/6-311G*
 hartrees
Energy at 0K-189.122958
Energy at 298.15K 
HF Energy-189.122958
Nuclear repulsion energy117.804973
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 HSEh1PBE/6-311G*
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 3634 3487 0.37      
2 A 3539 3396 0.94      
3 A 3149 3022 0.02      
4 A 1785 1713 0.00      
5 A 1699 1630 31.89      
6 A 1345 1291 0.61      
7 A 1304 1251 0.15      
8 A 1054 1012 0.67      
9 A 935 897 80.68      
10 A 832 799 159.94      
11 A 559 536 1.89      
12 A 338 325 0.75      
13 A 255 245 21.70      
14 B 3633 3487 0.93      
15 B 3537 3394 0.90      
16 B 3153 3025 61.81      
17 B 1709 1640 65.53      
18 B 1410 1353 7.93      
19 B 1203 1154 99.59      
20 B 1144 1098 0.80      
21 B 816 783 172.78      
22 B 759 728 300.10      
23 B 351 337 46.56      
24 B 252 242 108.55      

Unscaled Zero Point Vibrational Energy (zpe) 19197.6 cm-1
Scaled (by 0.9596) Zero Point Vibrational Energy (zpe) 18422.0 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 HSEh1PBE/6-311G*
ABC
1.44993 0.13294 0.12368

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-311G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.310 0.592 0.041
C2 -0.310 -0.592 0.041
N3 -0.310 1.846 -0.112
N4 0.310 -1.846 -0.112
H5 1.398 0.636 0.041
H6 -1.398 -0.636 0.041
H7 -1.319 1.782 -0.083
H8 1.319 -1.782 -0.083
H9 -0.002 2.517 0.580
H10 0.002 -2.517 0.580

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.33551.40752.44281.08982.10362.02102.58242.02393.1704
C21.33552.44281.40752.10361.08982.58242.02103.17042.0239
N31.40752.44283.74422.09892.71511.01153.97731.01184.4292
N42.44281.40753.74422.71512.09893.97731.01154.42921.0118
H51.08982.10362.09892.71513.07282.95152.42302.40623.4910
H62.10361.08982.71512.09893.07282.42302.95153.49102.4062
H72.02102.58241.01153.97732.95152.42304.43421.64744.5464
H82.58242.02103.97731.01152.42302.95154.43424.54641.6474
H92.02393.17041.01184.42922.40623.49101.64744.54645.0348
H103.17042.02394.42921.01183.49102.40624.54641.64745.0348

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.859 C1 C2 H6 119.971
C1 N3 H7 112.292 C1 N3 H9 112.526
C2 C1 N3 125.859 C2 C1 H5 119.971
C2 N4 H8 112.292 C2 N4 H10 112.526
N3 C1 H5 113.773 N4 C2 H6 113.773
H7 N3 H9 109.016 H8 N4 H10 109.016
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.086      
2 C -0.086      
3 N -0.771      
4 N -0.771      
5 H 0.201      
6 H 0.201      
7 H 0.329      
8 H 0.329      
9 H 0.327      
10 H 0.327      


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 2.319 2.319
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.399 -1.901 0.000
y -1.901 -22.560 0.000
z 0.000 0.000 -28.401
Traceless
 xyz
x 5.082 -1.901 0.000
y -1.901 1.840 0.000
z 0.000 0.000 -6.922
Polar
3z2-r2-13.843
x2-y22.161
xy-1.901
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.333 0.170 0.000
y 0.170 8.660 0.000
z 0.000 0.000 3.275


<r2> (average value of r2) Å2
<r2> 97.387
(<r2>)1/2 9.868