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

using model chemistry: BLYP/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 BLYP/6-31G**
 hartrees
Energy at 0K-234.475365
Energy at 298.15K-234.484090
Nuclear repulsion energy204.481785
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 BLYP/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 3035 3011 39.19      
2 A 3004 2981 17.71      
3 A 2971 2948 35.90      
4 A 2963 2940 25.42      
5 A 2950 2927 49.61      
6 A 2927 2905 31.94      
7 A 2289 2271 0.01      
8 A 1486 1475 2.18      
9 A 1470 1459 0.33      
10 A 1456 1445 4.46      
11 A 1451 1440 1.36      
12 A 1391 1380 9.57      
13 A 1390 1380 1.08      
14 A 1347 1336 1.76      
15 A 1275 1266 23.31      
16 A 1142 1133 0.15      
17 A 1077 1069 2.26      
18 A 1029 1021 1.06      
19 A 1002 995 1.10      
20 A 865 858 2.56      
21 A 749 743 0.20      
22 A 461 457 1.37      
23 A 326 324 0.13      
24 A 269 267 4.79      
25 A 99 98 1.27      
26 A 3030 3006 68.95      
27 A 3004 2981 17.95      
28 A 3001 2978 5.84      
29 A 2951 2928 13.78      
30 A 1478 1467 4.90      
31 A 1456 1444 4.19      
32 A 1292 1282 0.01      
33 A 1229 1220 0.12      
34 A 1096 1088 0.41      
35 A 1028 1020 1.31      
36 A 855 848 0.52      
37 A 730 725 2.61      
38 A 353 350 0.00      
39 A 241 239 0.03      
40 A 215 214 6.85      
41 A 82 81 0.28      
42 A 17 17 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 30240.1 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 30007.3 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 BLYP/6-31G**
ABC
0.59086 0.03914 0.03775

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.233 -2.857 0.000
C2 -1.742 2.882 0.000
C3 0.936 -0.296 0.000
C4 0.000 0.837 0.000
C5 0.232 -1.685 0.000
C6 -0.794 1.764 0.000
H7 0.711 -3.826 0.000
H8 -2.787 2.527 0.000
H9 1.885 -2.828 0.890
H10 1.885 -2.828 -0.890
H11 -0.427 -1.748 -0.883
H12 -0.427 -1.748 0.883
H13 1.602 -0.231 -0.882
H14 1.602 -0.231 0.882
H15 -1.614 3.523 0.889
H16 -1.614 3.523 -0.889

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C16.46412.57753.89371.54115.04551.10156.71891.10311.10312.18222.18222.79462.79467.04257.0425
C26.46414.15632.68694.97551.46617.14291.10386.82316.82314.89414.89414.65294.65291.10381.1038
C32.57754.15631.46961.55692.69023.53734.67252.84652.84652.17822.17821.10701.10704.67764.6776
C43.89372.68691.46962.53231.22074.71703.25974.21614.21612.76492.76492.11722.11723.25763.2576
C51.54114.97551.55692.53233.59812.19435.18222.19772.19771.10331.10332.18392.18395.59665.5966
C65.04551.46612.69021.22073.59815.78912.13415.39025.39023.64003.64003.23973.23972.13502.1350
H71.10157.14293.53734.71702.19435.78917.25261.77931.77932.52812.52813.80823.80827.75967.7596
H86.71891.10384.67253.25975.18222.13417.25267.16217.16214.96294.96295.25795.25791.77801.7780
H91.10316.82312.84654.21612.19775.39021.77937.16211.77923.10642.55113.15702.61317.25127.4662
H101.10316.82312.84654.21612.19775.39021.77937.16211.77922.55113.10642.61313.15707.46627.2512
H112.18224.89412.17822.76491.10333.64002.52814.96293.10642.55111.76592.53353.08765.68685.4037
H122.18224.89412.17822.76491.10333.64002.52814.96292.55113.10641.76593.08762.53355.40375.6868
H132.79464.65291.10702.11722.18393.23973.80825.25793.15702.61312.53353.08761.76375.25044.9427
H142.79464.65291.10702.11722.18393.23973.80825.25792.61313.15703.08762.53351.76374.94275.2504
H157.04251.10384.67763.25765.59662.13507.75961.77807.25127.46625.68685.40375.25044.94271.7784
H167.04251.10384.67763.25765.59662.13507.75961.77807.46627.25125.40375.68684.94275.25041.7784

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 112.606 C1 C5 H11 110.120
C1 C5 H12 110.120 C2 C6 C4 179.690
C3 C4 C6 178.961 C3 C5 H11 108.736
C3 C5 H12 108.736 C4 C3 C5 113.561
C4 C3 H13 109.710 C4 C3 H14 109.710
C5 C1 H7 111.184 C5 C1 H9 111.360
C5 C1 H10 111.360 C5 C3 H13 108.966
C5 C3 H14 108.966 C6 C2 H8 111.508
C6 C2 H15 111.578 C6 C2 H16 111.578
H7 C1 H9 107.621 H7 C1 H10 107.621
H8 C2 H15 107.297 H8 C2 H16 107.297
H9 C1 H10 107.502 H11 C5 H12 106.312
H13 C3 H14 105.618 H15 C2 H16 107.336
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.281      
2 C -0.407      
3 C -0.282      
4 C 0.114      
5 C -0.140      
6 C -0.030      
7 H 0.090      
8 H 0.122      
9 H 0.091      
10 H 0.091      
11 H 0.091      
12 H 0.091      
13 H 0.104      
14 H 0.104      
15 H 0.122      
16 H 0.122      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.112 -0.082 0.000 0.139
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.110 -2.862 0.000
y -2.862 -34.810 0.000
z 0.000 0.000 -38.227
Traceless
 xyz
x 0.408 -2.862 0.000
y -2.862 2.358 0.000
z 0.000 0.000 -2.766
Polar
3z2-r2-5.533
x2-y2-1.300
xy-2.862
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> 299.079
(<r2>)1/2 17.294