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All results from a given calculation for NH2CCNH2 (Diaminoacetylene)

using model chemistry: M06-2X/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 M06-2X/6-311G*
 hartrees
Energy at 0K-188.000952
Energy at 298.15K-188.005166
HF Energy-188.000952
Nuclear repulsion energy102.113644
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 M06-2X/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3667 3667 19.65      
2 A 3579 3579 3.47      
3 A 2417 2417 0.26      
4 A 1703 1703 14.08      
5 A 1226 1226 0.22      
6 A 836 836 3.25      
7 A 580 580 162.64      
8 A 456 456 7.24      
9 A 432 432 27.71      
10 A 226 226 22.00      
11 B 3667 3667 19.22      
12 B 3582 3582 9.86      
13 B 1705 1705 44.57      
14 B 1385 1385 114.04      
15 B 1226 1226 0.26      
16 B 637 637 377.24      
17 B 459 459 25.79      
18 B 226 226 26.05      

Unscaled Zero Point Vibrational Energy (zpe) 14003.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14003.8 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 M06-2X/6-311G*
ABC
5.19208 0.11991 0.11990

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-311G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.002 0.602 0.055
C2 -0.002 -0.602 0.055
N3 -0.002 1.952 -0.084
N4 0.002 -1.952 -0.084
H5 -0.338 2.464 0.718
H6 0.850 2.346 -0.457
H7 0.338 -2.464 0.718
H8 -0.850 -2.346 -0.457

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8
C11.20441.35652.55752.00602.00593.15563.1115
C21.20442.55751.35653.15563.11152.00602.0059
N31.35652.55753.90301.01011.01034.50124.3967
N42.55751.35653.90304.50124.39671.01011.0103
H52.00603.15561.01014.50121.67574.97524.9787
H62.00593.11151.01034.39671.67574.97874.9913
H73.15562.00604.50121.01014.97524.97871.6757
H83.11152.00594.39671.01034.97874.99131.6757

picture of Diaminoacetylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 174.119 C1 N3 H5 115.133
C1 N3 H6 115.108 C2 C1 N3 174.119
C2 N4 H7 115.133 C2 N4 H8 115.108
H5 N3 H6 112.067 H7 N4 H8 112.067
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.229      
2 C 0.229      
3 N -0.923      
4 N -0.923      
5 H 0.346      
6 H 0.348      
7 H 0.346      
8 H 0.348      


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 1.610 1.610
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.663 4.462 0.000
y 4.462 -13.725 0.000
z 0.000 0.000 -23.827
Traceless
 xyz
x -4.887 4.462 0.000
y 4.462 10.020 0.000
z 0.000 0.000 -5.133
Polar
3z2-r2-10.266
x2-y2-9.938
xy4.462
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.048 0.227 0.000
y 0.227 8.909 0.000
z 0.000 0.000 3.038


<r2> (average value of r2) Å2
<r2> 96.852
(<r2>)1/2 9.841