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

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-234.517622
Energy at 298.15K-234.526519
Nuclear repulsion energy206.180453
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 B3PW91/6-31G*
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 3133 2998 34.28      
2 A 3114 2980 12.72      
3 A 3065 2932 29.38      
4 A 3052 2919 28.26      
5 A 3045 2913 39.34      
6 A 3028 2897 23.47      
7 A 2378 2275 0.02      
8 A 1532 1466 5.20      
9 A 1517 1452 0.64      
10 A 1504 1439 6.78      
11 A 1499 1434 1.29      
12 A 1438 1375 3.87      
13 A 1437 1375 2.53      
14 A 1401 1341 2.80      
15 A 1317 1260 12.65      
16 A 1186 1135 0.29      
17 A 1123 1075 3.60      
18 A 1063 1017 1.47      
19 A 1062 1016 0.88      
20 A 908 868 3.46      
21 A 778 745 0.27      
22 A 487 466 1.27      
23 A 338 323 0.27      
24 A 277 265 5.66      
25 A 102 98 1.47      
26 A 3128 2993 61.35      
27 A 3114 2980 12.66      
28 A 3102 2968 4.34      
29 A 3061 2928 9.53      
30 A 1525 1459 7.88      
31 A 1504 1439 6.37      
32 A 1335 1278 0.02      
33 A 1270 1215 0.14      
34 A 1132 1083 0.60      
35 A 1062 1016 1.77      
36 A 880 842 0.56      
37 A 748 716 3.49      
38 A 377 361 0.00      
39 A 246 235 0.10      
40 A 221 212 8.00      
41 A 84 81 0.31      
42 A 18 18 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 31296.6 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 29941.5 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 B3PW91/6-31G*
ABC
0.59905 0.03986 0.03844

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.225 -2.826 0.000
C2 -1.734 2.856 0.000
C3 0.932 -0.298 0.000
C4 0.000 0.828 0.000
C5 0.232 -1.668 0.000
C6 -0.789 1.746 0.000
H7 0.707 -3.792 0.000
H8 -2.771 2.496 0.000
H9 1.872 -2.797 0.885
H10 1.872 -2.797 -0.885
H11 -0.423 -1.731 -0.878
H12 -0.423 -1.731 0.878
H13 1.592 -0.229 -0.877
H14 1.592 -0.229 0.877
H15 -1.604 3.491 0.885
H16 -1.604 3.491 -0.885

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C16.40622.54563.85381.52574.99601.09566.65541.09701.09702.16432.16432.76622.76626.97786.9778
C26.40624.12922.66834.93211.45767.08131.09696.76316.76314.85044.85044.62004.62001.09691.0969
C32.54564.12921.46101.53822.67163.50134.63842.81312.81312.15842.15841.10001.10004.64394.6439
C43.85382.66831.46102.50601.21074.67323.23444.17444.17442.73782.73782.10222.10223.23233.2323
C51.52574.93211.53822.50603.56282.17655.13372.17912.17911.09701.09702.16522.16525.54645.5464
C64.99601.45762.67161.21073.56285.73602.11885.33875.33873.60443.60443.21523.21522.11942.1194
H71.09567.08133.50134.67322.17655.73607.18561.76961.76962.50872.50873.77463.77467.69137.6913
H86.65541.09694.63843.23445.13372.11887.18567.09637.09634.91474.91475.21795.21791.76961.7696
H91.09706.76312.81314.17442.17915.33871.76967.09631.76993.08392.53033.12722.58337.18467.3994
H101.09706.76312.81314.17442.17915.33871.76967.09631.76992.53033.08392.58333.12727.39947.1846
H112.16434.85042.15842.73781.09703.60442.50874.91473.08392.53031.75602.51263.06505.63635.3534
H122.16434.85042.15842.73781.09703.60442.50874.91472.53033.08391.75603.06502.51265.35345.6363
H132.76624.62001.10002.10222.16523.21523.77465.21793.12722.58332.51263.06501.75475.21104.9039
H142.76624.62001.10002.10222.16523.21523.77465.21792.58333.12723.06502.51261.75474.90395.2110
H156.97781.09694.64393.23235.54642.11947.69131.76967.18467.39945.63635.35345.21104.90391.7700
H166.97781.09694.64393.23235.54642.11947.69131.76967.39947.18465.35345.63634.90395.21101.7700

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 112.365 C1 C5 H11 110.146
C1 C5 H12 110.146 C2 C6 C4 179.716
C3 C4 C6 178.932 C3 C5 H11 108.831
C3 C5 H12 108.831 C4 C3 C5 113.323
C4 C3 H13 109.533 C4 C3 H14 109.533
C5 C1 H7 111.204 C5 C1 H9 111.321
C5 C1 H10 111.321 C5 C3 H13 109.188
C5 C3 H14 109.188 C6 C2 H8 111.294
C6 C2 H15 111.351 C6 C2 H16 111.351
H7 C1 H9 107.629 H7 C1 H10 107.629
H8 C2 H15 107.536 H8 C2 H16 107.536
H9 C1 H10 107.546 H11 C5 H12 106.326
H13 C3 H14 105.798 H15 C2 H16 107.573
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.510     -0.430
2 C -0.636     -0.334
3 C -0.441     0.167
4 C 0.093     -0.352
5 C -0.306     0.092
6 C -0.025     0.056
7 H 0.172     0.120
8 H 0.200     0.122
9 H 0.166     0.099
10 H 0.166     0.099
11 H 0.173     0.018
12 H 0.173     0.018
13 H 0.187     0.032
14 H 0.187     0.032
15 H 0.200     0.130
16 H 0.200     0.130


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.120 -0.086 0.000 0.148
CHELPG        
AIM        
ESP -0.121 -0.057 0.000 0.134


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.620 -3.025 0.000
y -3.025 -34.324 0.000
z 0.000 0.000 -37.843
Traceless
 xyz
x 0.463 -3.025 0.000
y -3.025 2.408 0.000
z 0.000 0.000 -2.871
Polar
3z2-r2-5.741
x2-y2-1.296
xy-3.025
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 293.911
(<r2>)1/2 17.144