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

using model chemistry: B3LYP/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-234.629712
Energy at 298.15K-234.638619
Nuclear repulsion energy205.658700
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/6-31+G**
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 3105 2994 39.19      
2 A 3093 2982 11.33      
3 A 3044 2935 32.58      
4 A 3031 2923 4.58      
5 A 3031 2922 75.86      
6 A 3014 2906 21.44      
7 A 2351 2267 0.02      
8 A 1512 1458 6.36      
9 A 1498 1445 0.93      
10 A 1485 1432 7.80      
11 A 1481 1428 1.25      
12 A 1421 1370 4.65      
13 A 1420 1369 1.25      
14 A 1386 1336 1.83      
15 A 1308 1261 12.29      
16 A 1164 1122 0.25      
17 A 1110 1070 1.96      
18 A 1055 1017 0.54      
19 A 1039 1002 1.17      
20 A 894 862 3.24      
21 A 767 740 0.19      
22 A 483 466 1.94      
23 A 338 326 0.21      
24 A 278 268 7.99      
25 A 102 99 2.29      
26 A 3101 2990 69.17      
27 A 3093 2983 11.38      
28 A 3076 2966 2.32      
29 A 3041 2932 6.95      
30 A 1505 1451 8.65      
31 A 1485 1432 7.23      
32 A 1323 1276 0.00      
33 A 1259 1214 0.11      
34 A 1124 1083 0.09      
35 A 1054 1016 0.67      
36 A 876 844 0.60      
37 A 745 719 1.95      
38 A 381 368 0.01      
39 A 243 234 0.16      
40 A 219 211 11.74      
41 A 84 81 0.48      
42 A 24 24 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 31020.9 cm-1
Scaled (by 0.9642) Zero Point Vibrational Energy (zpe) 29910.4 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/6-31+G**
ABC
0.60241 0.03952 0.03814

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.210 -2.847 0.000
C2 -1.710 2.886 0.000
C3 0.925 -0.307 0.000
C4 0.000 0.829 0.000
C5 0.218 -1.680 0.000
C6 -0.778 1.759 0.000
H7 0.687 -3.809 0.000
H8 -2.750 2.540 0.000
H9 1.857 -2.821 0.885
H10 1.857 -2.821 -0.885
H11 -0.435 -1.741 -0.878
H12 -0.435 -1.741 0.878
H13 1.584 -0.240 -0.878
H14 1.584 -0.240 0.878
H15 -1.570 3.517 0.885
H16 -1.570 3.517 -0.885

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C16.43412.55583.87041.53175.01691.09516.68591.09661.09662.16822.16822.77582.77587.00097.0009
C26.43414.14052.67504.95641.46267.11181.09596.78776.78774.87944.87944.62554.62551.09591.0959
C32.55584.14051.46561.54372.67803.51034.64922.82272.82272.16302.16301.09911.09914.65134.6513
C43.87042.67501.46562.51841.21244.68933.23874.18954.18952.75092.75092.10292.10293.23603.2360
C51.53174.95641.54372.51843.58012.18085.15912.18392.18391.09651.09652.16912.16915.56655.5665
C65.01691.46262.67801.21243.58015.75802.12095.35715.35713.62483.62483.21653.21652.12152.1215
H71.09517.11183.51034.68932.18085.75807.21991.76911.76912.51172.51173.78313.78317.71717.7171
H86.68591.09594.64923.23875.15912.12097.21997.12337.12334.94544.94545.22315.22311.76951.7695
H91.09666.78772.82274.18952.18395.35711.76917.12331.76993.08672.53363.13662.59457.20477.4189
H101.09666.78772.82274.18952.18395.35711.76917.12331.76992.53363.08672.59453.13667.41897.2047
H112.16824.87942.16302.75091.09653.62482.51174.94543.08672.53361.75652.51543.06775.66085.3792
H122.16824.87942.16302.75091.09653.62482.51174.94542.53363.08671.75653.06772.51545.37925.6608
H132.77584.62551.09912.10292.16913.21653.78315.22313.13662.59452.51543.06771.75525.21244.9054
H142.77584.62551.09912.10292.16913.21653.78315.22312.59453.13663.06772.51541.75524.90545.2124
H157.00091.09594.65133.23605.56652.12157.71711.76957.20477.41895.66085.37925.21244.90541.7699
H167.00091.09594.65133.23605.56652.12157.71711.76957.41897.20475.37925.66084.90545.21241.7699

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 112.413 C1 C5 H11 110.065
C1 C5 H12 110.065 C2 C6 C4 179.656
C3 C4 C6 179.222 C3 C5 H11 108.833
C3 C5 H12 108.833 C4 C3 C5 113.594
C4 C3 H13 109.330 C4 C3 H14 109.330
C5 C1 H7 111.150 C5 C1 H9 111.307
C5 C1 H10 111.307 C5 C3 H13 109.164
C5 C3 H14 109.164 C6 C2 H8 111.171
C6 C2 H15 111.223 C6 C2 H16 111.223
H7 C1 H9 107.643 H7 C1 H10 107.643
H8 C2 H15 107.670 H8 C2 H16 107.670
H9 C1 H10 107.605 H11 C5 H12 106.441
H13 C3 H14 105.978 H15 C2 H16 107.707
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.559     -0.338
2 C -0.551     -0.204
3 C -0.504     0.256
4 C 0.230     -0.378
5 C -0.129     0.136
6 C -0.063     0.027
7 H 0.148     0.093
8 H 0.172     0.090
9 H 0.145     0.069
10 H 0.145     0.069
11 H 0.150     -0.009
12 H 0.150     -0.009
13 H 0.162     0.003
14 H 0.162     0.003
15 H 0.172     0.096
16 H 0.172     0.096


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.142 -0.094 0.000 0.170
CHELPG        
AIM        
ESP -0.130 -0.056 0.000 0.142


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.148 -3.101 0.000
y -3.101 -35.537 0.000
z 0.000 0.000 -39.212
Traceless
 xyz
x 0.226 -3.101 0.000
y -3.101 2.643 0.000
z 0.000 0.000 -2.869
Polar
3z2-r2-5.739
x2-y2-1.611
xy-3.101
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.557 -3.162 0.000
y -3.162 13.272 0.000
z 0.000 0.000 7.962


<r2> (average value of r2) Å2
<r2> 296.747
(<r2>)1/2 17.226