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

using model chemistry: B3PW91/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-234.601062
Energy at 298.15K-234.610023
Nuclear repulsion energy206.958663
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/cc-pVTZ
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 3107 2987 32.17      
2 A 3093 2974 9.01      
3 A 3045 2928 29.35      
4 A 3030 2914 8.96      
5 A 3030 2913 53.41      
6 A 3013 2898 18.13      
7 A 2362 2271 0.01      
8 A 1501 1443 6.98      
9 A 1487 1430 0.73      
10 A 1472 1415 7.65      
11 A 1467 1410 1.65      
12 A 1409 1355 2.79      
13 A 1407 1353 1.90      
14 A 1379 1326 1.41      
15 A 1302 1252 8.13      
16 A 1173 1128 1.30      
17 A 1112 1070 2.23      
18 A 1052 1012 0.86      
19 A 1047 1007 0.55      
20 A 900 865 3.47      
21 A 772 742 0.25      
22 A 499 480 1.22      
23 A 340 327 0.56      
24 A 280 269 6.69      
25 A 102 98 2.00      
26 A 3102 2983 56.14      
27 A 3093 2974 9.24      
28 A 3076 2957 2.33      
29 A 3040 2923 5.55      
30 A 1493 1436 7.63      
31 A 1471 1415 7.28      
32 A 1320 1269 0.01      
33 A 1254 1206 0.04      
34 A 1117 1074 0.08      
35 A 1046 1006 0.66      
36 A 871 837 0.58      
37 A 740 712 2.99      
38 A 402 387 0.00      
39 A 241 231 0.05      
40 A 218 209 10.01      
41 A 84 81 0.38      
42 A 20 20 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 30983.1 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 29793.3 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 B3PW91/cc-pVTZ
ABC
0.60588 0.04012 0.03871

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.210 -2.823 0.000
C2 -1.712 2.855 0.000
C3 0.923 -0.301 0.000
C4 0.000 0.825 0.000
C5 0.223 -1.665 0.000
C6 -0.778 1.743 0.000
H7 0.692 -3.783 0.000
H8 -2.746 2.502 0.000
H9 1.855 -2.795 0.881
H10 1.855 -2.795 -0.881
H11 -0.430 -1.726 -0.874
H12 -0.430 -1.726 0.874
H13 1.579 -0.230 -0.875
H14 1.579 -0.230 0.875
H15 -1.576 3.485 0.882
H16 -1.576 3.485 -0.882

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C16.38572.53833.84331.52134.97931.09136.63331.09291.09292.15752.15752.76082.76086.95156.9515
C26.38574.11152.65574.91701.45277.06071.09256.74006.74004.83714.83714.59564.59561.09251.0925
C32.53834.11151.45591.53322.65883.49044.61702.80482.80482.15082.15081.09581.09584.62094.6209
C43.84332.65571.45592.50001.20304.66033.21744.16224.16222.73092.73092.09132.09133.21493.2149
C51.52134.91701.53322.50003.55142.16995.11642.17212.17211.09281.09282.15922.15925.52575.5257
C64.97931.45272.65881.20303.55145.71822.10915.31985.31983.59403.59403.19623.19622.10962.1096
H71.09137.06073.49044.66032.16995.71827.16431.76271.76272.50112.50113.76523.76527.66487.6648
H86.63331.09254.61703.21745.11642.10917.16437.07147.07144.89964.89965.19035.19031.76461.7646
H91.09296.74002.80484.16222.17215.31981.76277.07141.76293.07342.52263.12032.57937.15587.3700
H101.09296.74002.80484.16222.17215.31981.76277.07141.76292.52263.07342.57933.12037.37007.1558
H112.15754.83712.15082.73091.09283.59402.50114.89963.07342.52261.74862.50473.05495.61725.3354
H122.15754.83712.15082.73091.09283.59402.50114.89962.52263.07341.74863.05492.50475.33545.6172
H132.76084.59561.09582.09132.15923.19623.76525.19033.12032.57932.50473.05491.74925.18124.8741
H142.76084.59561.09582.09132.15923.19623.76525.19032.57933.12033.05492.50471.74924.87415.1812
H156.95151.09254.62093.21495.52572.10967.66481.76467.15587.37005.61725.33545.18124.87411.7649
H166.95151.09254.62093.21495.52572.10967.66481.76467.37007.15585.33545.61724.87415.18121.7649

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 112.402 C1 C5 H11 110.168
C1 C5 H12 110.168 C2 C6 C4 179.688
C3 C4 C6 179.034 C3 C5 H11 108.818
C3 C5 H12 108.818 C4 C3 C5 113.492
C4 C3 H13 109.275 C4 C3 H14 109.275
C5 C1 H7 111.245 C5 C1 H9 111.324
C5 C1 H10 111.324 C5 C3 H13 109.304
C5 C3 H14 109.304 C6 C2 H8 111.134
C6 C2 H15 111.172 C6 C2 H16 111.172
H7 C1 H9 107.617 H7 C1 H10 107.617
H8 C2 H15 107.724 H8 C2 H16 107.724
H9 C1 H10 107.520 H11 C5 H12 106.265
H13 C3 H14 105.913 H15 C2 H16 107.747
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.288      
2 C -0.306      
3 C -0.214      
4 C -0.043      
5 C -0.136      
6 C 0.020      
7 H 0.096      
8 H 0.109      
9 H 0.086      
10 H 0.086      
11 H 0.091      
12 H 0.091      
13 H 0.096      
14 H 0.096      
15 H 0.108      
16 H 0.108      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.133 -0.090 0.000 0.161
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.332 -3.052 0.000
y -3.052 -34.878 0.000
z 0.000 0.000 -38.424
Traceless
 xyz
x 0.319 -3.052 0.000
y -3.052 2.500 0.000
z 0.000 0.000 -2.819
Polar
3z2-r2-5.639
x2-y2-1.454
xy-3.052
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> 292.384
(<r2>)1/2 17.099