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

using model chemistry: B3LYP/CEP-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 B3LYP/CEP-31G*
 hartrees
Energy at 0K-39.837595
Energy at 298.15K-39.847026
Nuclear repulsion energy111.314596
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 B3LYP/CEP-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 3108 3002 27.16      
2 A 3107 3001 53.15      
3 A 3055 2950 33.95      
4 A 3041 2937 39.44      
5 A 3035 2931 63.24      
6 A 3030 2926 14.55      
7 A 2347 2267 0.16      
8 A 1506 1454 7.21      
9 A 1488 1437 0.52      
10 A 1479 1429 9.35      
11 A 1479 1428 1.42      
12 A 1415 1366 1.89      
13 A 1413 1364 6.15      
14 A 1377 1330 3.19      
15 A 1287 1243 14.63      
16 A 1149 1109 0.36      
17 A 1102 1064 4.39      
18 A 1037 1001 0.59      
19 A 1035 999 1.33      
20 A 886 856 3.81      
21 A 750 724 0.15      
22 A 468 452 2.07      
23 A 317 306 0.07      
24 A 241 233 7.91      
25 A 88 85 1.71      
26 A 3114 3007 119.15      
27 A 3108 3002 21.70      
28 A 3088 2982 0.50      
29 A 3064 2959 7.33      
30 A 1500 1449 8.74      
31 A 1480 1429 7.92      
32 A 1315 1270 0.00      
33 A 1247 1204 0.03      
34 A 1094 1056 0.79      
35 A 1027 992 0.73      
36 A 838 810 0.29      
37 A 723 698 5.32      
38 A 259 250 0.36      
39 A 237 229 0.28      
40 A 206 199 10.72      
41 A 78 75 0.58      

Unscaled Zero Point Vibrational Energy (zpe) 30808.4 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 29751.7 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 B3LYP/CEP-31G*
ABC
0.55728 0.03896 0.03745

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.342 -2.766 0.000
C2 -1.936 2.831 0.000
C3 0.989 -0.221 0.000
C4 0.000 0.891 0.000
C5 0.305 -1.618 0.000
C6 -0.900 1.758 0.000
H7 0.847 -3.752 0.000
H8 -2.951 2.396 0.000
H9 1.993 -2.716 0.892
H10 1.993 -2.716 -0.892
H11 -0.350 -1.695 -0.885
H12 -0.350 -1.695 0.885
H13 1.644 -0.130 -0.886
H14 1.644 -0.130 0.886
H15 -1.837 3.471 0.894
H16 -1.837 3.471 -0.894

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C16.48642.56943.89591.54735.05021.10346.71401.10521.10522.19012.19012.79772.79777.05797.0579
C26.48644.22752.74044.98151.49057.14691.10426.85536.85534.87624.87624.72894.72891.10411.1041
C32.56944.22751.48871.55562.73703.53374.73002.83292.83292.17912.17911.10531.10534.73534.7353
C43.89592.74041.48872.52771.25034.71973.31214.21624.21622.75522.75522.12822.12823.29113.2911
C51.54734.98151.55562.52773.58552.20175.16842.20222.20221.10391.10392.18922.18925.59375.5937
C65.05021.49052.73701.25033.58555.78112.14705.40255.40253.60703.60703.28993.28992.14702.1470
H71.10347.14693.53374.71972.20175.78117.22631.78421.78422.53972.53973.81333.81337.75757.7575
H86.71401.10424.73003.31215.16842.14707.22637.16697.16694.92724.92725.31715.31711.78741.7874
H91.10526.85532.83294.21622.20225.40251.78427.16691.78383.11312.55623.15762.60947.27657.4925
H101.10526.85532.83294.21622.20225.40251.78427.16691.78382.55623.11312.60943.15767.49257.2765
H112.19014.87622.17912.75521.10393.60702.53974.92723.11312.55621.77012.53463.09225.66225.3754
H122.19014.87622.17912.75521.10393.60702.53974.92722.55623.11311.77013.09222.53465.37545.6622
H132.79774.72891.10532.12822.18923.28993.81335.31713.15762.60942.53463.09221.77245.31535.0083
H142.79774.72891.10532.12822.18923.28993.81335.31712.60943.15763.09222.53461.77245.00835.3153
H157.05791.10414.73533.29115.59372.14707.75751.78747.27657.49255.66225.37545.31535.00831.7882
H167.05791.10414.73533.29115.59372.14707.75751.78747.49257.27655.37545.66225.00835.31531.7882

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 111.800 C1 C5 H11 110.280
C1 C5 H12 110.280 C2 C6 C4 177.935
C3 C4 C6 175.597 C3 C5 H11 108.863
C3 C5 H12 108.863 C4 C3 C5 112.242
C4 C3 H13 109.366 C4 C3 H14 109.366
C5 C1 H7 111.218 C5 C1 H9 111.149
C5 C1 H10 111.149 C5 C3 H13 109.554
C5 C3 H14 109.554 C6 C2 H8 110.797
C6 C2 H15 110.807 C6 C2 H16 110.807
H7 C1 H9 107.774 H7 C1 H10 107.774
H8 C2 H15 108.080 H8 C2 H16 108.080
H9 C1 H10 107.606 H11 C5 H12 106.601
H13 C3 H14 106.598 H15 C2 H16 108.160
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.387      
2 C 0.141      
3 C 0.440      
4 C -0.580      
5 C -0.298      
6 C -0.758      
7 H 0.193      
8 H 0.151      
9 H 0.126      
10 H 0.126      
11 H 0.141      
12 H 0.141      
13 H 0.129      
14 H 0.129      
15 H 0.153      
16 H 0.153      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.146 -0.143 0.000 0.205
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.168 -3.333 0.000
y -3.333 -35.002 0.000
z 0.000 0.000 -37.819
Traceless
 xyz
x 1.243 -3.333 0.000
y -3.333 1.492 0.000
z 0.000 0.000 -2.734
Polar
3z2-r2-5.469
x2-y2-0.166
xy-3.333
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.044 -3.595 0.000
y -3.595 12.044 0.000
z 0.000 0.000 6.640


<r2> (average value of r2) Å2
<r2> 241.627
(<r2>)1/2 15.544