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All results from a given calculation for C6H4 ((E)-Hexa-1,5-diyne-3-ene)

using model chemistry: B3LYP/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1Ag
Energy calculated at B3LYP/LANL2DZ
 hartrees
Energy at 0K-230.847928
Energy at 298.15K-230.849045
Nuclear repulsion energy160.108470
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 B3LYP/LANL2DZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3492 3356 0.00      
2 Ag 3182 3059 0.00      
3 Ag 2170 2085 0.00      
4 Ag 1644 1581 0.00      
5 Ag 1323 1271 0.00      
6 Ag 1026 986 0.00      
7 Ag 697 670 0.00      
8 Ag 526 505 0.00      
9 Ag 237 227 0.00      
10 Au 1006 967 69.91      
11 Au 675 649 147.68      
12 Au 526 506 7.35      
13 Au 126 121 1.83      
14 Bg 913 878 0.00      
15 Bg 674 648 0.00      
16 Bg 366 351 0.00      
17 Bu 3492 3356 186.63      
18 Bu 3192 3068 17.83      
19 Bu 2193 2107 1.15      
20 Bu 1306 1255 1.98      
21 Bu 1045 1004 21.43      
22 Bu 698 671 142.29      
23 Bu 507 488 16.80      
24 Bu 127 122 1.52      

Unscaled Zero Point Vibrational Energy (zpe) 15571.0 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 14966.8 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 B3LYP/LANL2DZ
ABC
1.52061 0.04755 0.04610

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.683 0.000
C2 0.000 -0.683 0.000
C3 1.186 1.479 0.000
C4 -1.186 -1.479 0.000
H5 -0.954 1.210 0.000
H6 0.954 -1.210 0.000
C7 2.204 2.163 0.000
C8 -2.204 -2.163 0.000
H9 3.084 2.765 0.000
H10 -3.084 -2.765 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 C7 C8 H9 H10
C11.36581.42812.46571.08962.11982.65473.59933.72144.6263
C21.36582.46571.42812.11981.08963.59932.65474.62633.7214
C31.42812.46573.79122.15602.69931.22664.97512.29326.0204
C42.46571.42813.79122.69932.15604.97511.22666.02042.2932
H51.08962.11982.15602.69933.08163.29813.59734.32684.5105
H62.11981.08962.69932.15603.08163.59733.29814.51054.3268
C72.65473.59931.22664.97513.29813.59736.17571.06677.2284
C83.59932.65474.97511.22663.59733.29816.17577.22841.0667
H93.72144.62632.29326.02044.32684.51051.06677.22848.2847
H104.62633.72146.02042.29324.51054.32687.22841.06678.2847

picture of (E)-Hexa-1,5-diyne-3-ene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 123.876 C1 C2 H6 118.946
C1 C3 C7 180.000 C2 C1 C3 123.876
C2 C1 H5 118.946 C2 C4 C8 180.000
C3 C1 H5 117.178 C3 C7 H9 179.485
C4 C2 H6 117.178 C4 C8 H10 179.485
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.244      
2 C -0.244      
3 C 0.152      
4 C 0.152      
5 H 0.242      
6 H 0.242      
7 C -0.433      
8 C -0.433      
9 H 0.282      
10 H 0.282      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.997 4.610 0.000
y 4.610 -31.138 0.000
z 0.000 0.000 -38.049
Traceless
 xyz
x 7.596 4.610 0.000
y 4.610 1.385 0.000
z 0.000 0.000 -8.981
Polar
3z2-r2-17.963
x2-y24.141
xy4.610
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.294 7.894 0.000
y 7.894 13.573 0.000
z 0.000 0.000 3.524


<r2> (average value of r2) Å2
<r2> 222.225
(<r2>)1/2 14.907