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All results from a given calculation for C6H10 (2-Hexyne)

using model chemistry: PBEPBE/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at PBEPBE/6-31G*
 hartrees
Energy at 0K-234.266432
Energy at 298.15K-234.275169
Nuclear repulsion energy205.145547
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/6-31G*
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 3061 3017 31.69      
2 A 3031 2988 12.54      
3 A 2989 2947 30.79      
4 A 2979 2936 24.72      
5 A 2966 2924 43.33      
6 A 2944 2902 28.20      
7 A 2304 2272 0.02      
8 A 1489 1468 4.64      
9 A 1474 1452 0.59      
10 A 1461 1440 6.37      
11 A 1453 1433 1.18      
12 A 1393 1373 6.77      
13 A 1392 1372 0.72      
14 A 1352 1333 2.29      
15 A 1275 1257 14.99      
16 A 1167 1150 1.23      
17 A 1089 1073 3.79      
18 A 1036 1021 0.78      
19 A 1028 1014 1.89      
20 A 882 870 3.59      
21 A 761 750 0.28      
22 A 464 458 1.47      
23 A 326 321 0.12      
24 A 267 263 5.36      
25 A 98 97 1.41      
26 A 3054 3010 55.75      
27 A 3030 2987 12.67      
28 A 3025 2982 5.47      
29 A 2973 2931 11.17      
30 A 1482 1461 7.61      
31 A 1460 1439 5.98      
32 A 1295 1276 0.03      
33 A 1231 1213 0.17      
34 A 1097 1081 0.92      
35 A 1028 1013 2.12      
36 A 854 842 0.62      
37 A 730 720 3.70      
38 A 347 342 0.00      
39 A 244 240 0.04      
40 A 216 213 7.72      
41 A 83 82 0.32      
42 A 25 25 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 30426.6 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 29991.5 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/6-31G*
ABC
0.59155 0.03951 0.03810

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.243 -2.832 0.000
C2 -1.755 2.858 0.000
C3 0.937 -0.294 0.000
C4 0.000 0.830 0.000
C5 0.240 -1.674 0.000
C6 -0.802 1.752 0.000
H7 0.728 -3.808 0.000
H8 -2.799 2.493 0.000
H9 1.896 -2.798 0.891
H10 1.896 -2.798 -0.891
H11 -0.419 -1.740 -0.884
H12 -0.419 -1.740 0.884
H13 1.604 -0.226 -0.883
H14 1.604 -0.226 0.883
H15 -1.632 3.501 0.891
H16 -1.632 3.501 -0.891

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C16.43132.55673.86751.53155.01941.10326.68541.10491.10492.17682.17682.77462.77467.01147.0114
C26.43134.14452.68164.95191.45977.11291.10546.79016.79014.86834.86834.64504.64501.10541.1054
C32.55674.14451.46311.54632.68483.52024.66062.82562.82562.17052.17051.10891.10894.66764.6676
C43.86752.68161.46312.51621.22194.69483.25574.18934.18932.74992.74992.11412.11413.25373.2537
C51.53154.95191.54632.51623.58132.18845.15812.18992.18991.10511.10512.17602.17605.57495.5749
C65.01941.45972.68481.22193.58135.76632.12985.36395.36393.62193.62193.23793.23792.13062.1306
H71.10327.11293.52024.69482.18845.76637.22091.78231.78232.52502.52503.79093.79097.73147.7314
H86.68541.10544.66063.25575.15812.12987.22097.12937.12934.93574.93575.25005.25001.78051.7805
H91.10496.79012.82564.18932.18995.36391.78237.12931.78193.10322.54533.13742.58777.21897.4355
H101.10496.79012.82564.18932.18995.36391.78237.12931.78192.54533.10322.58773.13747.43557.2189
H112.17684.86832.17052.74991.10513.62192.52504.93573.10322.54531.76842.52643.08325.66395.3787
H122.17684.86832.17052.74991.10513.62192.52504.93572.54533.10321.76843.08322.52645.37875.6639
H132.77464.64501.10892.11412.17603.23793.79095.25003.13742.58772.52643.08321.76615.24484.9358
H142.77464.64501.10892.11412.17603.23793.79095.25002.58773.13743.08322.52641.76614.93585.2448
H157.01141.10544.66763.25375.57492.13067.73141.78057.21897.43555.66395.37875.24484.93581.7810
H167.01141.10544.66763.25375.57492.13067.73141.78057.43557.21895.37875.66394.93585.24481.7810

picture of 2-Hexyne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 C3 112.344 C1 C5 H11 110.255
C1 C5 H12 110.255 C2 C6 C4 179.709
C3 C4 C6 178.755 C3 C5 H11 108.753
C3 C5 H12 108.753 C4 C3 C5 113.438
C4 C3 H13 109.799 C4 C3 H14 109.799
C5 C1 H7 111.286 C5 C1 H9 111.300
C5 C1 H10 111.300 C5 C3 H13 108.968
C5 C3 H14 108.968 C6 C2 H8 111.510
C6 C2 H15 111.577 C6 C2 H16 111.577
H7 C1 H9 107.639 H7 C1 H10 107.639
H8 C2 H15 107.294 H8 C2 H16 107.294
H9 C1 H10 107.485 H11 C5 H12 106.277
H13 C3 H14 105.564 H15 C2 H16 107.340
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.483      
2 C -0.633      
3 C -0.444      
4 C 0.122      
5 C -0.280      
6 C 0.003      
7 H 0.162      
8 H 0.190      
9 H 0.157      
10 H 0.157      
11 H 0.161      
12 H 0.161      
13 H 0.174      
14 H 0.174      
15 H 0.190      
16 H 0.190      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.126 -0.087 0.000 0.153
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.751 -3.033 0.000
y -3.033 -34.482 0.000
z 0.000 0.000 -38.008
Traceless
 xyz
x 0.493 -3.033 0.000
y -3.033 2.398 0.000
z 0.000 0.000 -2.891
Polar
3z2-r2-5.783
x2-y2-1.270
xy-3.033
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.648 -3.434 0.000
y -3.434 12.396 0.000
z 0.000 0.000 6.972


<r2> (average value of r2) Å2
<r2> 296.473
(<r2>)1/2 17.218