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All results from a given calculation for C6H6 (2,4-Hexadiyne)

using model chemistry: PBEPBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-231.834476
Energy at 298.15K-231.837436
Nuclear repulsion energy168.660916
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 PBEPBE/cc-pVDZ
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 2953 2936 0.00      
2 A 2305 2292 0.00      
3 A 1356 1348 0.00      
4 A 1291 1283 0.00      
5 A 561 558 0.00      
6 A 13 13 0.00      
7 A 2952 2935 82.89      
8 A 2206 2193 7.34      
9 A 1333 1326 24.30      
10 A 959 953 7.88      
11 A 3027 3009 10.45      
11 A 3027 3009 10.44      
12 A 1389 1381 15.18      
12 A 1389 1381 15.18      
13 A 991 985 5.45      
13 A 991 985 5.45      
14 A 356 354 5.20      
14 A 356 354 5.20      
15 A 100 100 7.02      
15 A 100 99 7.02      
16 A 3027 3010 0.00      
16 A 3027 3010 0.00      
17 A 1389 1381 0.00      
17 A 1389 1381 0.00      
18 A 985 980 0.00      
18 A 985 980 0.00      
19 A 543 540 0.00      
19 A 543 540 0.00      
20 A 237 235 0.00      
20 A 237 235 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20008.5 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 19892.5 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 PBEPBE/cc-pVDZ
ABC
2.60545 0.03651 0.03651

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.684
C2 0.000 0.000 -0.684
C3 0.000 0.000 1.918
C4 0.000 0.000 -1.918
C5 0.000 0.000 3.372
C6 0.000 0.000 -3.372
H7 0.000 1.034 3.776
H8 -0.896 -0.517 3.776
H9 0.896 -0.517 3.776
H10 0.000 1.034 -3.776
H11 0.896 -0.517 -3.776
H12 -0.896 -0.517 -3.776

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.36721.23412.60132.68814.05533.26053.26053.26054.57774.57774.5777
C21.36722.60131.23414.05532.68814.57774.57774.57773.26053.26053.2605
C31.23412.60133.83541.45415.28942.12662.12662.12665.78665.78665.7866
C42.60131.23413.83545.28941.45415.78665.78665.78662.12662.12662.1266
C52.68814.05531.45415.28946.74351.11051.11051.11057.22197.22197.2219
C64.05532.68815.28941.45416.74357.22197.22197.22191.11051.11051.1105
H73.26054.57772.12665.78661.11057.22191.79161.79167.55147.76117.7611
H83.26054.57772.12665.78661.11057.22191.79161.79167.76117.76117.5514
H93.26054.57772.12665.78661.11057.22191.79161.79167.76117.55147.7611
H104.57773.26055.78662.12667.22191.11057.55147.76117.76111.79161.7916
H114.57773.26055.78662.12667.22191.11057.76117.76117.55141.79161.7916
H124.57773.26055.78662.12667.22191.11057.76117.55147.76111.79161.7916

picture of 2,4-Hexadiyne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 180.000 C1 C3 C5 180.000
C2 C1 C3 180.000 C2 C4 C6 180.000
C3 C5 H7 111.333 C3 C5 H8 111.333
C3 C5 H9 111.333 C4 C6 H10 111.333
C4 C6 H11 111.333 C4 C6 H12 111.333
H7 C5 H8 107.547 H7 C5 H9 107.547
H8 C5 H9 107.547 H10 C6 H11 107.547
H10 C6 H12 107.547 H11 C6 H12 107.547
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.334      
2 C 0.334      
3 C -0.504      
4 C -0.504      
5 C -0.049      
6 C -0.049      
7 H 0.073      
8 H 0.073      
9 H 0.073      
10 H 0.073      
11 H 0.073      
12 H 0.073      


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 -36.231 0.000 0.000
y 0.000 -36.231 0.000
z 0.000 0.000 -18.800
Traceless
 xyz
x -8.716 0.000 0.000
y 0.000 -8.716 0.000
z 0.000 0.000 17.431
Polar
3z2-r234.862
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.574 0.000 0.000
y 0.000 5.574 0.000
z 0.000 0.000 23.197


<r2> (average value of r2) Å2
<r2> 297.117
(<r2>)1/2 17.237