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

using model chemistry: B1B95/6-31+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 B1B95/6-31+G**
 hartrees
Energy at 0K-234.485881
Energy at 298.15K-234.494788
Nuclear repulsion energy206.540368
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 B1B95/6-31+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 3138 3002 33.53      
2 A 3126 2991 8.71      
3 A 3069 2935 29.09      
4 A 3052 2920 12.27      
5 A 3052 2919 62.10      
6 A 3038 2906 21.24      
7 A 2371 2268 0.03      
8 A 1505 1439 7.29      
9 A 1492 1427 0.93      
10 A 1478 1414 8.28      
11 A 1472 1408 1.41      
12 A 1413 1351 2.41      
13 A 1411 1349 2.64      
14 A 1382 1322 2.25      
15 A 1298 1242 8.89      
16 A 1179 1128 1.05      
17 A 1113 1065 2.74      
18 A 1061 1015 0.79      
19 A 1044 999 0.75      
20 A 903 864 3.79      
21 A 775 741 0.24      
22 A 487 466 1.83      
23 A 335 320 0.36      
24 A 276 264 8.15      
25 A 101 97 2.21      
26 A 3133 2997 58.84      
27 A 3125 2990 8.78      
28 A 3108 2974 2.63      
29 A 3072 2939 6.32      
30 A 1498 1433 9.58      
31 A 1478 1414 7.72      
32 A 1318 1261 0.00      
33 A 1251 1197 0.14      
34 A 1115 1066 0.17      
35 A 1044 998 0.83      
36 A 868 831 0.64      
37 A 739 707 2.32      
38 A 382 366 0.00      
39 A 241 231 0.14      
40 A 219 209 11.87      
41 A 83 79 0.45      
42 A 29 28 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 31136.3 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 29785.0 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 B1B95/6-31+G**
ABC
0.60413 0.03995 0.03854

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.220 -2.822 0.000
C2 -1.725 2.859 0.000
C3 0.927 -0.303 0.000
C4 0.000 0.824 0.000
C5 0.228 -1.668 0.000
C6 -0.786 1.746 0.000
H7 0.707 -3.787 0.000
H8 -2.759 2.502 0.000
H9 1.866 -2.790 0.883
H10 1.866 -2.790 -0.883
H11 -0.425 -1.731 -0.876
H12 -0.425 -1.731 0.876
H13 1.583 -0.233 -0.876
H14 1.583 -0.233 0.876
H15 -1.590 3.489 0.883
H16 -1.590 3.489 -0.883

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C16.39892.53633.84521.52224.98911.09286.64641.09451.09452.15982.15982.75732.75736.96486.9648
C26.39894.12632.66724.92991.45617.07651.09366.75176.75174.85034.85034.61194.61191.09361.0936
C32.53634.12631.45911.53382.67023.49094.63102.80162.80162.15282.15281.09701.09704.63604.6360
C43.84522.66721.45912.50271.21114.66503.22854.16254.16252.73482.73482.09572.09573.22633.2263
C51.52224.92991.53382.50273.56122.17235.12882.17342.17341.09451.09452.15982.15985.53895.5389
C64.98911.45612.67021.21113.56125.73052.11255.32815.32813.60383.60383.20873.20872.11322.1132
H71.09287.07653.49094.66502.17235.73057.18031.76541.76542.50502.50503.76363.76367.68077.6807
H86.64641.09364.63103.22855.12882.11257.18037.08327.08324.91244.91245.20555.20551.76641.7664
H91.09456.75172.80164.16252.17345.32811.76547.08321.76603.07672.52393.11662.57287.16757.3820
H101.09456.75172.80164.16252.17345.32811.76547.08321.76602.52393.07672.57283.11667.38207.1675
H112.15984.85032.15282.73481.09453.60382.50504.91243.07672.52391.75292.50543.05755.63075.3485
H122.15984.85032.15282.73481.09453.60382.50504.91242.52393.07671.75293.05752.50545.34855.6307
H132.75734.61191.09702.09572.15983.20873.76365.20553.11662.57282.50543.05751.75205.19794.8911
H142.75734.61191.09702.09572.15983.20873.76365.20552.57283.11663.05752.50541.75204.89115.1979
H156.96481.09364.63603.22635.53892.11327.68071.76647.16757.38205.63075.34855.19794.89111.7670
H166.96481.09364.63603.22635.53892.11327.68071.76647.38207.16755.34855.63074.89115.19791.7670

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 112.184 C1 C5 H11 110.187
C1 C5 H12 110.187 C2 C6 C4 179.693
C3 C4 C6 178.963 C3 C5 H11 108.843
C3 C5 H12 108.843 C4 C3 C5 113.464
C4 C3 H13 109.324 C4 C3 H14 109.324
C5 C1 H7 111.281 C5 C1 H9 111.267
C5 C1 H10 111.267 C5 C3 H13 109.239
C5 C3 H14 109.239 C6 C2 H8 111.101
C6 C2 H15 111.162 C6 C2 H16 111.162
H7 C1 H9 107.634 H7 C1 H10 107.634
H8 C2 H15 107.734 H8 C2 H16 107.734
H9 C1 H10 107.570 H11 C5 H12 106.413
H13 C3 H14 105.980 H15 C2 H16 107.783
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.591      
2 C -0.991      
3 C -1.003      
4 C 0.687      
5 C -0.156      
6 C 0.340      
7 H 0.161      
8 H 0.184      
9 H 0.156      
10 H 0.156      
11 H 0.166      
12 H 0.166      
13 H 0.178      
14 H 0.178      
15 H 0.183      
16 H 0.183      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.148 -0.104 0.000 0.182
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.592 -3.168 0.000
y -3.168 -35.056 0.000
z 0.000 0.000 -38.770
Traceless
 xyz
x 0.321 -3.168 0.000
y -3.168 2.625 0.000
z 0.000 0.000 -2.946
Polar
3z2-r2-5.891
x2-y2-1.536
xy-3.168
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.477 -3.179 0.000
y -3.179 13.056 0.000
z 0.000 0.000 7.856


<r2> (average value of r2) Å2
<r2> 293.685
(<r2>)1/2 17.137