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

using model chemistry: LSDA/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 LSDA/6-31G
 hartrees
Energy at 0K-233.203668
Energy at 298.15K-233.212564
Nuclear repulsion energy206.593364
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 LSDA/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 3081 3019 24.43      
2 A 3047 2985 8.60      
3 A 2989 2929 28.59      
4 A 2977 2916 19.66      
5 A 2969 2909 34.91      
6 A 2940 2880 26.97      
7 A 2352 2304 0.08      
8 A 1488 1458 12.90      
9 A 1475 1445 2.85      
10 A 1461 1431 12.53      
11 A 1456 1426 0.79      
12 A 1406 1377 0.23      
13 A 1397 1369 12.27      
14 A 1353 1325 2.28      
15 A 1291 1265 2.25      
16 A 1211 1186 2.17      
17 A 1114 1091 9.68      
18 A 1086 1063 0.17      
19 A 1043 1022 5.50      
20 A 911 892 6.61      
21 A 785 769 0.64      
22 A 494 484 1.37      
23 A 340 333 0.51      
24 A 278 273 6.51      
25 A 99 97 1.87      
26 A 3065 3003 45.16      
27 A 3047 2985 8.74      
28 A 3033 2971 5.12      
29 A 2975 2914 9.24      
30 A 1479 1449 14.22      
31 A 1461 1431 11.60      
32 A 1289 1263 0.10      
33 A 1234 1209 0.19      
34 A 1107 1085 2.67      
35 A 1043 1021 5.50      
36 A 871 853 0.87      
37 A 750 734 6.77      
38 A 384 376 0.01      
39 A 245 240 0.17      
40 A 220 216 9.66      
41 A 81 80 0.43      
42 A 17 17 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 30670.3 cm-1
Scaled (by 0.9797) Zero Point Vibrational Energy (zpe) 30047.7 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 LSDA/6-31G
ABC
0.59471 0.04028 0.03882

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.267 -2.782 0.000
C2 -1.779 2.806 0.000
C3 0.933 -0.284 0.000
C4 0.000 0.822 0.000
C5 0.255 -1.656 0.000
C6 -0.820 1.727 0.000
H7 0.780 -3.772 0.000
H8 -2.820 2.430 0.000
H9 1.921 -2.730 0.891
H10 1.921 -2.730 -0.891
H11 -0.407 -1.726 -0.885
H12 -0.407 -1.726 0.885
H13 1.606 -0.224 -0.883
H14 1.606 -0.224 0.883
H15 -1.671 3.455 0.889
H16 -1.671 3.455 -0.889

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C16.36452.52033.82121.51464.96891.10346.62381.10621.10622.16802.16802.72712.72716.95166.9516
C26.36454.11172.66434.90331.44377.05821.10596.71726.71724.81694.81694.62804.62801.10591.1059
C32.52034.11171.44791.52992.66813.49134.63182.78342.78342.15792.15791.11111.11114.64264.6426
C43.82122.66431.44792.49131.22064.66053.24574.13524.13522.72822.72822.11032.11033.24203.2420
C51.51464.90331.52992.49133.54942.18075.11362.17282.17281.10701.10702.15682.15685.53325.5332
C64.96891.44372.66811.22063.54945.72722.12005.30695.30693.58853.58853.23573.23572.12132.1213
H71.10347.05823.49134.66052.18075.72727.17131.78401.78402.52532.52533.74823.74827.68287.6828
H86.62381.10594.63183.24575.11362.12007.17137.06307.06304.88674.88675.23555.23551.77711.7771
H91.10626.71722.78344.13522.17285.30691.78407.06301.78223.09452.53433.08552.52497.15157.3697
H101.10626.71722.78344.13522.17285.30691.78407.06301.78222.53433.09452.52493.08557.36977.1515
H112.16804.81692.15792.72821.10703.58852.52534.88673.09452.53431.76932.51103.07055.62005.3328
H122.16804.81692.15792.72821.10703.58852.52534.88672.53433.09451.76933.07052.51105.33285.6200
H132.72714.62801.11112.11032.15683.23573.74825.23553.08552.52492.51103.07051.76505.23564.9268
H142.72714.62801.11112.11032.15683.23573.74825.23552.52493.08553.07052.51101.76504.92685.2356
H156.95161.10594.64263.24205.53322.12137.68281.77717.15157.36975.62005.33285.23564.92681.7777
H166.95161.10594.64263.24205.53322.12137.68281.77717.36977.15155.33285.62004.92685.23561.7777

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 111.749 C1 C5 H11 110.621
C1 C5 H12 110.621 C2 C6 C4 179.487
C3 C4 C6 177.964 C3 C5 H11 108.783
C3 C5 H12 108.783 C4 C3 C5 113.543
C4 C3 H13 110.420 C4 C3 H14 110.420
C5 C1 H7 111.850 C5 C1 H9 111.046
C5 C1 H10 111.046 C5 C3 H13 108.463
C5 C3 H14 108.463 C6 C2 H8 111.825
C6 C2 H15 111.928 C6 C2 H16 111.928
H7 C1 H9 107.683 H7 C1 H10 107.683
H8 C2 H15 106.928 H8 C2 H16 106.928
H9 C1 H10 107.331 H11 C5 H12 106.098
H13 C3 H14 105.165 H15 C2 H16 106.974
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.494      
2 C -0.582      
3 C -0.382      
4 C 0.039      
5 C -0.303      
6 C -0.081      
7 H 0.167      
8 H 0.200      
9 H 0.163      
10 H 0.163      
11 H 0.171      
12 H 0.171      
13 H 0.184      
14 H 0.184      
15 H 0.200      
16 H 0.200      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.164 -0.040 0.000 0.169
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.592 -3.351 0.000
y -3.351 -34.329 0.000
z 0.000 0.000 -38.222
Traceless
 xyz
x 0.683 -3.351 0.000
y -3.351 2.578 0.000
z 0.000 0.000 -3.261
Polar
3z2-r2-6.523
x2-y2-1.263
xy-3.351
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.620 -3.378 0.000
y -3.378 11.905 0.000
z 0.000 0.000 6.903


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