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

using model chemistry: PBEPBE/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-234.285685
Energy at 298.15K-234.294431
Nuclear repulsion energy205.597852
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(2df,p)
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 3055 3024 27.27      
2 A 3026 2994 9.70      
3 A 2982 2951 28.13      
4 A 2970 2940 22.78      
5 A 2959 2929 40.76      
6 A 2938 2908 25.76      
7 A 2305 2281 0.03      
8 A 1458 1443 3.68      
9 A 1441 1426 0.49      
10 A 1428 1413 5.52      
11 A 1419 1404 1.23      
12 A 1361 1347 2.27      
13 A 1360 1346 4.72      
14 A 1329 1315 1.31      
15 A 1257 1244 14.28      
16 A 1158 1146 3.32      
17 A 1077 1066 2.33      
18 A 1031 1020 0.81      
19 A 1008 998 1.00      
20 A 876 867 3.05      
21 A 756 748 0.25      
22 A 469 464 1.18      
23 A 326 323 0.24      
24 A 268 265 5.34      
25 A 97 96 1.47      
26 A 3048 3016 47.42      
27 A 3025 2994 9.81      
28 A 3019 2988 4.56      
29 A 2968 2937 8.75      
30 A 1450 1435 6.04      
31 A 1427 1412 5.18      
32 A 1277 1264 0.00      
33 A 1212 1200 0.06      
34 A 1079 1068 0.41      
35 A 1008 997 1.14      
36 A 841 833 0.60      
37 A 720 713 3.11      
38 A 358 354 0.00      
39 A 241 239 0.02      
40 A 214 211 7.86      
41 A 82 81 0.31      
42 A 27 27 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 30172.9 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 29862.2 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(2df,p)
ABC
0.59054 0.03975 0.03832

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.250 -2.822 0.000
C2 -1.764 2.839 0.000
C3 0.937 -0.286 0.000
C4 0.000 0.832 0.000
C5 0.245 -1.667 0.000
C6 -0.806 1.743 0.000
H7 0.738 -3.798 0.000
H8 -2.804 2.467 0.000
H9 1.902 -2.786 0.889
H10 1.902 -2.786 -0.889
H11 -0.414 -1.733 -0.883
H12 -0.414 -1.733 0.883
H13 1.604 -0.216 -0.881
H14 1.604 -0.216 0.881
H15 -1.645 3.482 0.890
H16 -1.645 3.482 -0.890

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C16.41312.55563.86141.53065.00651.10156.66361.10351.10352.17582.17582.77392.77396.99346.9934
C26.41314.13042.67234.93361.45567.09281.10396.77286.77284.84764.84764.63194.63191.10391.1039
C32.55564.13041.45831.54512.67493.51784.64462.82382.82382.16792.16791.10751.10754.65334.6533
C43.86142.67231.45832.51061.21684.68783.24584.18284.18282.74322.74322.10902.10903.24363.2436
C51.53064.93361.54512.51063.56842.18715.13682.18812.18811.10371.10372.17472.17475.55645.5564
C65.00651.45562.67491.21683.56845.75192.12465.35145.35143.60723.60723.22863.22862.12562.1256
H71.10157.09283.51784.68782.18715.75197.19681.77981.77982.52432.52433.78903.78907.71127.7112
H86.66361.10394.64463.24585.13682.12467.19687.10837.10834.91184.91185.23495.23491.77821.7782
H91.10356.77282.82384.18282.18815.35141.77987.10831.77903.10062.54443.13552.58757.20187.4183
H101.10356.77282.82384.18282.18815.35141.77987.10831.77902.54443.10062.58753.13557.41837.2018
H112.17584.84762.16792.74321.10373.60722.52434.91183.10062.54441.76502.52483.08005.64305.3576
H122.17584.84762.16792.74321.10373.60722.52434.91182.54443.10061.76503.08002.52485.35765.6430
H132.77394.63191.10752.10902.17473.22863.78905.23493.13552.58752.52483.08001.76305.23134.9224
H142.77394.63191.10752.10902.17473.22863.78905.23492.58753.13553.08002.52481.76304.92245.2313
H156.99341.10394.65333.24365.55642.12567.71121.77827.20187.41835.64305.35765.23134.92241.7790
H166.99341.10394.65333.24365.55642.12567.71121.77827.41837.20185.35765.64304.92245.23131.7790

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 112.380 C1 C5 H11 110.320
C1 C5 H12 110.320 C2 C6 C4 179.661
C3 C4 C6 178.505 C3 C5 H11 108.714
C3 C5 H12 108.714 C4 C3 C5 113.389
C4 C3 H13 109.804 C4 C3 H14 109.804
C5 C1 H7 111.342 C5 C1 H9 111.301
C5 C1 H10 111.301 C5 C3 H13 109.026
C5 C3 H14 109.026 C6 C2 H8 111.479
C6 C2 H15 111.563 C6 C2 H16 111.563
H7 C1 H9 107.638 H7 C1 H10 107.638
H8 C2 H15 107.309 H8 C2 H16 107.309
H9 C1 H10 107.424 H11 C5 H12 106.182
H13 C3 H14 105.485 H15 C2 H16 107.376
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.415      
2 C -0.546      
3 C -0.375      
4 C 0.051      
5 C -0.180      
6 C 0.112      
7 H 0.126      
8 H 0.156      
9 H 0.126      
10 H 0.126      
11 H 0.120      
12 H 0.120      
13 H 0.133      
14 H 0.133      
15 H 0.156      
16 H 0.156      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.136 -0.093 0.000 0.164
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.697 -2.959 0.000
y -2.959 -34.576 0.000
z 0.000 0.000 -37.883
Traceless
 xyz
x 0.532 -2.959 0.000
y -2.959 2.214 0.000
z 0.000 0.000 -2.746
Polar
3z2-r2-5.492
x2-y2-1.121
xy-2.959
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.077 -3.445 0.000
y -3.445 12.871 0.000
z 0.000 0.000 7.353


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000