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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: BLYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at BLYP/cc-pVTZ
 hartrees
Energy at 0K-189.296286
Energy at 298.15K 
HF Energy-189.296286
Nuclear repulsion energy116.719239
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 BLYP/cc-pVTZ
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 3472 3461 0.49      
2 A 3381 3371 0.02      
3 A 3053 3044 0.03      
4 A 1677 1672 0.12      
5 A 1602 1597 17.32      
6 A 1302 1298 0.68      
7 A 1242 1239 0.02      
8 A 1002 999 1.21      
9 A 894 891 70.51      
10 A 786 784 116.01      
11 A 537 536 0.77      
12 A 327 326 1.38      
13 A 241 240 15.91      
14 B 3471 3460 1.48      
15 B 3379 3369 1.84      
16 B 3059 3050 52.09      
17 B 1607 1602 36.17      
18 B 1359 1355 8.79      
19 B 1125 1121 79.32      
20 B 1104 1100 3.28      
21 B 772 769 114.34      
22 B 726 724 309.39      
23 B 347 346 37.67      
24 B 251 250 81.83      

Unscaled Zero Point Vibrational Energy (zpe) 18357.7 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 18302.6 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 BLYP/cc-pVTZ
ABC
1.42832 0.13036 0.12127

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.313 0.595 0.044
C2 -0.313 -0.595 0.044
N3 -0.313 1.864 -0.117
N4 0.313 -1.864 -0.117
H5 1.404 0.643 0.049
H6 -1.404 -0.643 0.049
H7 -1.329 1.805 -0.053
H8 1.329 -1.805 -0.053
H9 0.017 2.552 0.559
H10 -0.017 -2.552 0.559

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.34561.42452.46481.09182.11742.04262.60852.04493.2064
C21.34562.46481.42452.11741.09182.60852.04263.20642.0449
N31.42452.46483.78072.11412.73911.01984.02091.02024.4777
N42.46481.42453.78072.73912.11414.02091.01984.47771.0202
H51.09182.11742.11412.73913.08872.97222.45132.41433.5341
H62.11741.09182.73912.11413.08872.45132.97223.53412.4143
H72.04262.60851.01984.02092.97222.45134.48391.65734.5915
H82.60852.04264.02091.01982.45132.97224.48394.59151.6573
H92.04493.20641.02024.47772.41433.53411.65734.59155.1044
H103.20642.04494.47771.02023.53412.41434.59151.65735.1044

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.675 C1 C2 H6 120.263
C1 N3 H7 112.314 C1 N3 H9 112.487
C2 C1 N3 125.675 C2 C1 H5 120.263
C2 N4 H8 112.314 C2 N4 H10 112.487
N3 C1 H5 113.658 N4 C2 H6 113.658
H7 N3 H9 108.661 H8 N4 H10 108.661
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.076      
2 C -0.076      
3 N -0.250      
4 N -0.250      
5 H 0.074      
6 H 0.074      
7 H 0.123      
8 H 0.123      
9 H 0.130      
10 H 0.130      


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 1.947 1.947
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.349 -1.563 0.000
y -1.563 -22.802 0.000
z 0.000 0.000 -28.531
Traceless
 xyz
x 4.318 -1.563 0.000
y -1.563 2.137 0.000
z 0.000 0.000 -6.455
Polar
3z2-r2-12.910
x2-y21.454
xy-1.563
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.073 -0.024 0.000
y -0.024 9.840 0.000
z 0.000 0.000 4.132


<r2> (average value of r2) Å2
<r2> 99.294
(<r2>)1/2 9.965