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

using model chemistry: HF/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 HF/6-31G
 hartrees
Energy at 0K-232.889760
Energy at 298.15K-232.899240
Nuclear repulsion energy206.727772
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 HF/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 3259 2943 23.25      
2 A 3256 2940 51.86      
3 A 3198 2888 32.36      
4 A 3191 2881 31.55      
5 A 3184 2875 66.99      
6 A 3179 2870 6.08      
7 A 2547 2299 0.02      
8 A 1666 1504 6.81      
9 A 1654 1493 1.71      
10 A 1645 1485 1.36      
11 A 1643 1483 7.87      
12 A 1589 1435 0.68      
13 A 1580 1426 4.61      
14 A 1530 1381 2.40      
15 A 1463 1321 6.06      
16 A 1240 1120 11.71      
17 A 1226 1107 0.80      
18 A 1196 1080 0.76      
19 A 1116 1008 2.08      
20 A 972 878 3.72      
21 A 824 744 0.36      
22 A 605 546 0.57      
23 A 387 350 2.38      
24 A 321 290 6.98      
25 A 115 104 2.21      
26 A 3259 2942 44.52      
27 A 3258 2942 77.72      
28 A 3231 2917 1.60      
29 A 3208 2897 5.44      
30 A 1657 1496 8.25      
31 A 1642 1483 7.73      
32 A 1455 1313 0.02      
33 A 1398 1262 0.03      
34 A 1261 1138 0.03      
35 A 1196 1080 0.75      
36 A 980 885 0.58      
37 A 824 744 2.62      
38 A 540 487 0.05      
39 A 249 225 4.23      
40 A 241 218 7.07      
41 A 88 79 0.34      
42 A 4 3 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 33537.0 cm-1
Scaled (by 0.9029) Zero Point Vibrational Energy (zpe) 30280.6 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 HF/6-31G
ABC
0.60671 0.03989 0.03848

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.194 -2.841 0.000
C2 -1.697 2.879 0.000
C3 0.928 -0.309 0.000
C4 0.000 0.830 0.000
C5 0.210 -1.670 0.000
C6 -0.765 1.749 0.000
H7 0.670 -3.790 0.000
H8 -2.725 2.534 0.000
H9 1.834 -2.817 0.877
H10 1.834 -2.817 -0.877
H11 -0.435 -1.729 -0.870
H12 -0.435 -1.729 0.870
H13 1.575 -0.243 -0.870
H14 1.575 -0.243 0.870
H15 -1.555 3.501 0.876
H16 -1.555 3.501 -0.876

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C16.40982.54643.86071.52984.99151.08416.65251.08531.08532.15632.15632.76632.76636.96786.9678
C26.40984.12992.66084.93301.46467.07691.08386.75896.75894.85664.85664.60604.60601.08381.0838
C32.54644.12991.46911.53892.66533.49084.62872.80712.80712.15232.15231.08641.08644.63114.6311
C43.86072.66081.46912.50901.19634.66843.21384.17514.17512.73792.73792.09522.09523.21243.2124
C51.52984.93301.53892.50903.55592.16925.12742.17252.17251.08501.08502.15792.15795.53385.5338
C64.99151.46462.66531.19633.55595.72242.11065.32695.32693.60083.60083.19463.19462.11172.1117
H71.08417.07693.49084.66842.16925.72247.17771.75211.75212.49532.49533.76263.76267.67317.6731
H86.65251.08384.62873.21385.12742.11067.17777.08407.08404.91684.91685.19235.19231.75231.7523
H91.08536.75892.80714.17512.17255.32691.75217.08401.75323.06322.51633.12132.58687.16937.3805
H101.08536.75892.80714.17512.17255.32691.75217.08401.75322.51633.06322.58683.12137.38057.1693
H112.15634.85662.15232.73791.08503.60082.49534.91683.06322.51631.74042.49993.04605.62655.3485
H122.15634.85662.15232.73791.08503.60082.49534.91682.51633.06321.74043.04602.49995.34855.6265
H132.76634.60601.08642.09522.15793.19463.76265.19233.12132.58682.49993.04601.74015.18324.8802
H142.76634.60601.08642.09522.15793.19463.76265.19232.58683.12133.04602.49991.74014.88025.1832
H156.96781.08384.63113.21245.53382.11177.67311.75237.16937.38055.62655.34855.18324.88021.7526
H166.96781.08384.63113.21245.53382.11177.67311.75237.38057.16935.34855.62654.88025.18321.7526

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 112.153 C1 C5 H11 109.943
C1 C5 H12 109.943 C2 C6 C4 179.734
C3 C4 C6 179.391 C3 C5 H11 108.996
C3 C5 H12 108.996 C4 C3 C5 113.024
C4 C3 H13 109.234 C4 C3 H14 109.234
C5 C1 H7 111.024 C5 C1 H9 111.216
C5 C1 H10 111.216 C5 C3 H13 109.352
C5 C3 H14 109.352 C6 C2 H8 110.954
C6 C2 H15 111.037 C6 C2 H16 111.037
H7 C1 H9 107.732 H7 C1 H10 107.732
H8 C2 H15 107.884 H8 C2 H16 107.884
H9 C1 H10 107.754 H11 C5 H12 106.650
H13 C3 H14 106.430 H15 C2 H16 107.901
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.458 -0.211    
2 C -0.324 0.091    
3 C -0.155 0.349    
4 C -0.205 -0.314    
5 C -0.292 0.114    
6 C -0.285 -0.104    
7 H 0.157 0.063    
8 H 0.187 0.019    
9 H 0.151 0.036    
10 H 0.151 0.036    
11 H 0.164 -0.026    
12 H 0.164 -0.026    
13 H 0.184 -0.037    
14 H 0.184 -0.037    
15 H 0.187 0.022    
16 H 0.187 0.022    


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.118 -0.071 0.000 0.138
CHELPG -0.096 -0.053 0.000 0.110
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.818 -3.147 0.000
y -3.147 -35.290 0.000
z 0.000 0.000 -39.101
Traceless
 xyz
x 0.377 -3.147 0.000
y -3.147 2.669 0.000
z 0.000 0.000 -3.047
Polar
3z2-r2-6.093
x2-y2-1.528
xy-3.147
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.517 -2.590 0.000
y -2.590 10.685 0.000
z 0.000 0.000 6.583


<r2> (average value of r2) Å2
<r2> 294.068
(<r2>)1/2 17.148