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

using model chemistry: PBEPBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-234.276590
Energy at 298.15K-234.285341
Nuclear repulsion energy204.871227
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 PBEPBE/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3053 3035 27.27      
2 A 3029 3012 8.53      
3 A 2976 2959 26.00      
4 A 2965 2948 29.37      
5 A 2956 2939 44.49      
6 A 2935 2918 27.05      
7 A 2301 2288 0.03      
8 A 1431 1423 4.22      
9 A 1416 1408 0.45      
10 A 1397 1389 6.71      
11 A 1393 1385 1.47      
12 A 1351 1343 0.50      
13 A 1344 1336 6.28      
14 A 1326 1318 1.51      
15 A 1249 1242 12.77      
16 A 1161 1154 5.54      
17 A 1076 1069 1.86      
18 A 1039 1033 0.74      
19 A 996 990 1.50      
20 A 879 874 3.39      
21 A 761 756 0.24      
22 A 469 466 1.32      
23 A 328 326 0.21      
24 A 267 266 5.85      
25 A 98 98 1.63      
26 A 3044 3026 48.25      
27 A 3028 3011 8.66      
28 A 3014 2997 6.85      
29 A 2967 2950 8.63      
30 A 1421 1413 6.67      
31 A 1397 1389 6.60      
32 A 1268 1261 0.00      
33 A 1201 1194 0.05      
34 A 1070 1064 0.48      
35 A 996 990 1.66      
36 A 839 834 0.67      
37 A 726 721 3.48      
38 A 355 353 0.00      
39 A 246 245 0.01      
40 A 214 213 8.35      
41 A 85 84 0.42      
42 A 20 20 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 30042.4 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 29868.2 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 PBEPBE/cc-pVDZ
ABC
0.59262 0.03941 0.03802

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.239 -2.835 0.000
C2 -1.748 2.867 0.000
C3 0.932 -0.299 0.000
C4 0.000 0.829 0.000
C5 0.239 -1.679 0.000
C6 -0.801 1.757 0.000
H7 0.724 -3.817 0.000
H8 -2.797 2.506 0.000
H9 1.897 -2.802 0.894
H10 1.897 -2.802 -0.894
H11 -0.426 -1.744 -0.887
H12 -0.426 -1.744 0.887
H13 1.603 -0.227 -0.886
H14 1.603 -0.227 0.886
H15 -1.620 3.512 0.895
H16 -1.620 3.512 -0.895

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C16.43702.55453.86771.52925.02461.10836.69481.11051.11052.18012.18012.77872.77877.01837.0183
C26.43704.14792.68504.96061.45927.12631.11026.79876.79874.87754.87754.64584.64581.11021.1102
C32.55454.14791.46301.54372.68873.52374.66652.82772.82772.17232.17231.11401.11404.67284.6728
C43.86772.68501.46302.51851.22584.70163.26174.19304.19302.75422.75422.11392.11393.25933.2593
C51.52924.96061.54372.51853.58902.19275.16982.19362.19361.11091.11092.18032.18035.58515.5851
C65.02461.45922.68871.22583.58905.77842.13255.37225.37223.63033.63033.24003.24002.13342.1334
H71.10837.12633.52374.70162.19275.77847.23741.78971.78972.53192.53193.80063.80067.74617.7461
H86.69481.11024.66653.26175.16982.13257.23747.14237.14234.94644.94645.25515.25511.78861.7886
H91.11056.79872.82774.19302.19365.37221.78977.14231.78823.11322.55323.14472.59227.22737.4453
H101.11056.79872.82774.19302.19365.37221.78977.14231.78822.55323.11322.59223.14477.44537.2273
H112.18014.87752.17232.75421.11093.63032.53194.94643.11322.55321.77482.53343.09275.67615.3891
H122.18014.87752.17232.75421.11093.63032.53194.94642.55323.11321.77483.09272.53345.38915.6761
H132.77874.64581.11402.11392.18033.24003.80065.25513.14472.59222.53343.09271.77275.24734.9358
H142.77874.64581.11402.11392.18033.24003.80065.25512.59223.14473.09272.53341.77274.93585.2473
H157.01831.11024.67283.25935.58512.13347.74611.78867.22737.44535.67615.38915.24734.93581.7895
H167.01831.11024.67283.25935.58512.13347.74611.78867.44537.22735.38915.67614.93585.24731.7895

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 112.463 C1 C5 H11 110.326
C1 C5 H12 110.326 C2 C6 C4 179.655
C3 C4 C6 178.768 C3 C5 H11 108.735
C3 C5 H12 108.735 C4 C3 C5 113.753
C4 C3 H13 109.485 C4 C3 H14 109.485
C5 C1 H7 111.481 C5 C1 H9 111.412
C5 C1 H10 111.412 C5 C3 H13 109.175
C5 C3 H14 109.175 C6 C2 H8 111.470
C6 C2 H15 111.541 C6 C2 H16 111.541
H7 C1 H9 107.534 H7 C1 H10 107.534
H8 C2 H15 107.325 H8 C2 H16 107.325
H9 C1 H10 107.245 H11 C5 H12 106.030
H13 C3 H14 105.435 H15 C2 H16 107.400
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.045      
2 C -0.010      
3 C -0.054      
4 C 0.006      
5 C -0.073      
6 C -0.272      
7 H 0.030      
8 H 0.065      
9 H 0.031      
10 H 0.031      
11 H 0.032      
12 H 0.032      
13 H 0.048      
14 H 0.048      
15 H 0.065      
16 H 0.065      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.132 -0.068 0.000 0.149
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.208 -3.141 0.000
y -3.141 -34.802 0.000
z 0.000 0.000 -38.538
Traceless
 xyz
x 0.462 -3.141 0.000
y -3.141 2.571 0.000
z 0.000 0.000 -3.033
Polar
3z2-r2-6.066
x2-y2-1.405
xy-3.141
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.291 -3.584 0.000
y -3.584 13.273 0.000
z 0.000 0.000 7.425


<r2> (average value of r2) Å2
<r2> 297.411
(<r2>)1/2 17.246