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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-234.465618
Energy at 298.15K-234.474629
Nuclear repulsion energy205.746293
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 3136 3003 38.28      
2 A 3116 2984 15.94      
3 A 3060 2931 30.60      
4 A 3046 2917 33.14      
5 A 3041 2912 43.24      
6 A 3024 2896 25.53      
7 A 2381 2281 0.03      
8 A 1549 1484 8.84      
9 A 1538 1473 1.78      
10 A 1525 1461 9.77      
11 A 1522 1458 0.74      
12 A 1465 1403 0.46      
13 A 1458 1396 6.01      
14 A 1403 1344 1.90      
15 A 1343 1286 5.81      
16 A 1201 1150 0.65      
17 A 1138 1090 6.32      
18 A 1090 1044 2.51      
19 A 1071 1025 0.84      
20 A 915 877 4.62      
21 A 783 750 0.40      
22 A 503 481 1.29      
23 A 347 333 0.62      
24 A 286 274 6.53      
25 A 103 99 1.95      
26 A 3132 2999 69.00      
27 A 3116 2984 15.85      
28 A 3102 2970 5.19      
29 A 3059 2929 9.98      
30 A 1543 1478 10.01      
31 A 1525 1460 9.02      
32 A 1345 1288 0.06      
33 A 1288 1233 0.09      
34 A 1155 1106 1.00      
35 A 1089 1043 2.90      
36 A 905 866 0.71      
37 A 768 736 4.86      
38 A 404 387 0.02      
39 A 240 229 0.23      
40 A 221 211 9.52      
41 A 82 78 0.38      
42 A 18 17 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 31515.6 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 30182.5 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
0.59708 0.03966 0.03825

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 1.233 -2.831 0.000
C2 -1.742 2.859 0.000
C3 0.933 -0.296 0.000
C4 0.000 0.830 0.000
C5 0.234 -1.673 0.000
C6 -0.795 1.751 0.000
H7 0.719 -3.799 0.000
H8 -2.778 2.501 0.000
H9 1.880 -2.798 0.886
H10 1.880 -2.798 -0.886
H11 -0.420 -1.738 -0.879
H12 -0.420 -1.738 0.879
H13 1.594 -0.232 -0.878
H14 1.594 -0.232 0.878
H15 -1.615 3.496 0.884
H16 -1.615 3.496 -0.884

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C16.42172.55303.86401.53045.01071.09566.67281.09721.09722.16892.16892.76722.76726.99516.9951
C26.42174.13692.67414.94401.45837.09811.09696.77536.77534.86344.86344.63184.63181.09691.0969
C32.55304.13691.46291.54432.67853.50904.64742.81752.81752.16412.16411.10061.10064.65354.6535
C43.86402.67411.46292.51411.21584.68443.24184.18114.18112.74682.74682.10702.10703.23963.2396
C51.53044.94401.54432.51413.57442.18045.14682.18192.18191.09761.09762.16712.16715.56015.5601
C65.01071.45832.67851.21583.57445.75172.12085.35015.35013.61683.61683.22583.22582.12162.1216
H71.09567.09813.50904.68442.18045.75177.20481.77071.77072.51352.51353.77573.77577.70967.7096
H86.67281.09694.64743.24185.14682.12087.20487.11047.11044.92934.92935.23005.23001.76801.7680
H91.09726.77532.81754.18112.18195.35011.77077.11041.77143.08712.53273.12652.58147.19897.4133
H101.09726.77532.81754.18112.18195.35011.77077.11041.77142.53273.08712.58143.12657.41337.1989
H112.16894.86342.16412.74681.09763.61682.51354.92933.08712.53271.75872.51433.06775.65055.3683
H122.16894.86342.16412.74681.09763.61682.51354.92932.53273.08711.75873.06772.51435.36835.6505
H132.76724.63181.10062.10702.16713.22583.77575.23003.12652.58142.51433.06771.75635.22494.9187
H142.76724.63181.10062.10702.16713.22583.77575.23002.58143.12653.06772.51431.75634.91875.2249
H156.99511.09694.65353.23965.56012.12167.70961.76807.19897.41335.65055.36835.22494.91871.7684
H166.99511.09694.65353.23965.56012.12167.70961.76807.41337.19895.36835.65054.91875.22491.7684

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 112.263 C1 C5 H11 110.143
C1 C5 H12 110.143 C2 C6 C4 179.687
C3 C4 C6 178.825 C3 C5 H11 108.817
C3 C5 H12 108.817 C4 C3 C5 113.415
C4 C3 H13 109.754 C4 C3 H14 109.754
C5 C1 H7 111.182 C5 C1 H9 111.205
C5 C1 H10 111.205 C5 C3 H13 108.885
C5 C3 H14 108.885 C6 C2 H8 111.413
C6 C2 H15 111.479 C6 C2 H16 111.479
H7 C1 H9 107.708 H7 C1 H10 107.708
H8 C2 H15 107.404 H8 C2 H16 107.404
H9 C1 H10 107.657 H11 C5 H12 106.476
H13 C3 H14 105.865 H15 C2 H16 107.436
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 -0.477      
2 C -0.499      
3 C -0.323      
4 C -0.026      
5 C -0.296      
6 C -0.133      
7 H 0.161      
8 H 0.192      
9 H 0.158      
10 H 0.158      
11 H 0.167      
12 H 0.167      
13 H 0.183      
14 H 0.183      
15 H 0.192      
16 H 0.192      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.126 -0.072 0.000 0.145
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.704 -3.211 0.000
y -3.211 -34.302 0.000
z 0.000 0.000 -38.138
Traceless
 xyz
x 0.516 -3.211 0.000
y -3.211 2.619 0.000
z 0.000 0.000 -3.136
Polar
3z2-r2-6.271
x2-y2-1.402
xy-3.211
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> 295.287
(<r2>)1/2 17.184