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

using model chemistry: B3LYP/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 B3LYP/6-31G**
 hartrees
Energy at 0K-234.620510
Energy at 298.15K-234.629416
Nuclear repulsion energy205.885919
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/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 3115 2993 36.49      
2 A 3095 2974 14.65      
3 A 3050 2930 31.59      
4 A 3038 2919 26.31      
5 A 3032 2913 41.44      
6 A 3014 2896 24.86      
7 A 2371 2278 0.02      
8 A 1523 1463 3.25      
9 A 1507 1448 0.46      
10 A 1493 1435 5.41      
11 A 1489 1430 1.33      
12 A 1429 1373 1.80      
13 A 1428 1372 5.99      
14 A 1394 1339 2.24      
15 A 1312 1261 17.05      
16 A 1171 1126 0.11      
17 A 1114 1070 2.43      
18 A 1058 1016 1.08      
19 A 1043 1002 0.98      
20 A 897 862 2.74      
21 A 771 741 0.23      
22 A 486 467 1.20      
23 A 338 325 0.26      
24 A 279 268 5.14      
25 A 102 98 1.35      
26 A 3110 2988 65.96      
27 A 3095 2974 14.57      
28 A 3083 2962 4.59      
29 A 3042 2923 10.46      
30 A 1514 1455 5.87      
31 A 1493 1434 5.08      
32 A 1328 1276 0.01      
33 A 1264 1215 0.10      
34 A 1127 1083 0.33      
35 A 1057 1016 1.27      
36 A 878 843 0.51      
37 A 748 718 2.68      
38 A 381 366 0.00      
39 A 246 236 0.07      
40 A 222 213 7.27      
41 A 84 81 0.29      
42 A 16 16 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 31118.2 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 29898.4 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/6-31G**
ABC
0.59897 0.03968 0.03828

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.220 -2.837 0.000
C2 -1.728 2.867 0.000
C3 0.931 -0.299 0.000
C4 0.000 0.831 0.000
C5 0.228 -1.673 0.000
C6 -0.786 1.751 0.000
H7 0.701 -3.801 0.000
H8 -2.765 2.512 0.000
H9 1.868 -2.809 0.884
H10 1.868 -2.809 -0.884
H11 -0.426 -1.735 -0.877
H12 -0.426 -1.735 0.877
H13 1.591 -0.232 -0.877
H14 1.591 -0.232 0.877
H15 -1.596 3.501 0.884
H16 -1.596 3.501 -0.884

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C16.42112.55493.86601.53025.00771.09456.67101.09601.09602.16722.16722.77422.77426.99206.9920
C26.42114.13422.67034.94291.46057.09591.09606.77696.77694.86194.86194.62394.62391.09601.0960
C32.55494.13421.46401.54312.67373.50924.64362.82142.82142.16182.16181.09911.09914.64824.6482
C43.86602.67031.46402.51401.20984.68423.23614.18574.18572.74492.74492.10412.10413.23383.2338
C51.53024.94291.54312.51403.57052.17985.14502.18212.18211.09621.09622.16842.16845.55645.5564
C65.00771.46052.67371.20983.57055.74702.12085.34945.34943.61243.61243.21633.21632.12152.1215
H71.09457.09593.50924.68422.17985.74707.20151.76811.76812.51142.51143.78143.78147.70507.7050
H86.67101.09604.64363.23615.14502.12087.20157.11067.11064.92714.92715.22195.22191.76791.7679
H91.09606.77692.82144.18572.18215.34941.76817.11061.76813.08522.53313.13392.59257.19827.4122
H101.09606.77692.82144.18572.18215.34941.76817.11061.76812.53313.08522.59253.13397.41227.1982
H112.16724.86192.16182.74491.09623.61242.51144.92713.08522.53311.75452.51553.06665.64655.3647
H122.16724.86192.16182.74491.09623.61242.51144.92712.53313.08521.75453.06662.51555.36475.6465
H132.77424.62391.09912.10412.16843.21633.78145.22193.13392.59252.51553.06661.75335.21404.9077
H142.77424.62391.09912.10412.16843.21633.78145.22192.59253.13393.06662.51551.75334.90775.2140
H156.99201.09604.64823.23385.55642.12157.70501.76797.19827.41225.64655.36475.21404.90771.7682
H166.99201.09604.64823.23385.55642.12157.70501.76797.41227.19825.36475.64654.90775.21401.7682

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 112.469 C1 C5 H11 110.118
C1 C5 H12 110.118 C2 C6 C4 179.688
C3 C4 C6 178.989 C3 C5 H11 108.808
C3 C5 H12 108.808 C4 C3 C5 113.415
C4 C3 H13 109.526 C4 C3 H14 109.526
C5 C1 H7 111.217 C5 C1 H9 111.308
C5 C1 H10 111.308 C5 C3 H13 109.145
C5 C3 H14 109.145 C6 C2 H8 111.311
C6 C2 H15 111.369 C6 C2 H16 111.369
H7 C1 H9 107.644 H7 C1 H10 107.644
H8 C2 H15 107.519 H8 C2 H16 107.519
H9 C1 H10 107.529 H11 C5 H12 106.317
H13 C3 H14 105.802 H15 C2 H16 107.550
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.316      
2 C -0.417      
3 C -0.283      
4 C 0.082      
5 C -0.174      
6 C -0.060      
7 H 0.104      
8 H 0.135      
9 H 0.103      
10 H 0.103      
11 H 0.106      
12 H 0.106      
13 H 0.120      
14 H 0.120      
15 H 0.135      
16 H 0.135      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.116 -0.075 0.000 0.138
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.964 -2.910 0.000
y -2.910 -34.650 0.000
z 0.000 0.000 -38.096
Traceless
 xyz
x 0.409 -2.910 0.000
y -2.910 2.379 0.000
z 0.000 0.000 -2.789
Polar
3z2-r2-5.577
x2-y2-1.313
xy-2.910
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.339 -3.151 0.000
y -3.151 11.983 0.000
z 0.000 0.000 6.925


<r2> (average value of r2) Å2
<r2> 295.184
(<r2>)1/2 17.181