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

using model chemistry: BLYP/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 BLYP/6-31G*
 hartrees
Energy at 0K-234.461567
Energy at 298.15K-234.470323
HF Energy-234.461567
Nuclear repulsion energy204.398526
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 BLYP/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' 3031 3006 41.60      
2 A' 3000 2976 18.93      
3 A' 2969 2945 39.13      
4 A' 2962 2938 23.88      
5 A' 2949 2925 50.83      
6 A' 2925 2901 33.08      
7 A' 2289 2270 0.02      
8 A' 1502 1489 2.51      
9 A' 1485 1473 0.30      
10 A' 1473 1461 4.77      
11 A' 1468 1456 1.52      
12 A' 1409 1397 10.76      
13 A' 1404 1392 0.27      
14 A' 1357 1346 1.97      
15 A' 1287 1276 24.01      
16 A' 1145 1136 0.11      
17 A' 1084 1075 2.48      
18 A' 1043 1034 1.13      
19 A' 1006 998 1.09      
20 A' 868 861 2.48      
21 A' 750 744 0.18      
22 A' 463 460 1.35      
23 A' 326 324 0.13      
24 A' 269 267 4.74      
25 A' 99 99 1.24      
26 A" 3025 3001 73.12      
27 A" 3000 2975 19.13      
28 A" 2997 2973 6.07      
29 A" 2946 2923 14.44      
30 A" 1493 1481 5.41      
31 A" 1473 1461 4.46      
32 A" 1301 1291 0.01      
33 A" 1240 1230 0.15      
34 A" 1108 1099 0.49      
35 A" 1042 1034 1.42      
36 A" 862 855 0.51      
37 A" 735 729 2.57      
38 A" 354 351 0.00      
39 A" 243 241 0.03      
40 A" 216 214 6.79      
41 A" 83 82 0.26      
42 A" 30 30 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 30354.6 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 30108.7 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 BLYP/6-31G*
ABC
0.58770 0.03916 0.03776

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.237 -2.860 0.000
C2 -1.754 2.883 0.000
C3 0.942 -0.297 0.000
C4 0.000 0.840 0.000
C5 0.237 -1.683 0.000
C6 -0.797 1.764 0.000
H7 0.713 -3.829 0.000
H8 -2.796 2.518 0.000
H9 1.889 -2.833 0.890
H10 1.889 -2.833 -0.890
H11 -0.422 -1.748 -0.883
H12 -0.422 -1.748 0.883
H13 1.604 -0.225 -0.883
H14 1.604 -0.225 0.883
H15 -1.625 3.522 0.890
H16 -1.625 3.522 -0.890

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C16.47472.57963.90061.54405.05151.10256.72191.10341.10342.18312.18312.80232.80237.05037.0503
C26.47474.16892.69294.98121.47227.15111.10346.83616.83614.89884.89884.66034.66031.10321.1032
C32.57964.16891.47611.55502.69673.53994.67922.84942.84942.17802.17801.10591.10594.68664.6866
C43.90062.69291.47612.53391.22074.72313.26094.22454.22452.76632.76632.11822.11823.25993.2599
C51.54404.98121.55502.53393.59922.19835.18172.20052.20051.10341.10342.18462.18465.59935.5993
C65.05151.47222.69671.22073.59925.79382.13635.39805.39803.64093.64093.24083.24082.13702.1370
H71.10257.15113.53994.72312.19835.79387.25271.78021.78022.52952.52953.81613.81617.76527.7652
H86.72191.10344.67923.26095.18172.13637.25277.16747.16744.96154.96155.25975.25971.78031.7803
H91.10346.83612.84944.22452.20055.39801.78027.16741.77943.10772.55263.16562.62287.26167.4764
H101.10346.83612.84944.22452.20055.39801.78027.16741.77942.55263.10772.62283.16567.47647.2616
H112.18314.89882.17802.76631.10343.64092.52954.96153.10772.55261.76552.53403.08855.68885.4056
H122.18314.89882.17802.76631.10343.64092.52954.96152.55263.10771.76553.08852.53405.40565.6888
H132.80234.66031.10592.11822.18463.24083.81615.25973.16562.62282.53403.08851.76565.25474.9467
H142.80234.66031.10592.11822.18463.24083.81615.25972.62283.16563.08852.53401.76564.94675.2547
H157.05031.10324.68663.25995.59932.13707.76521.78037.26167.47645.68885.40565.25474.94671.7795
H167.05031.10324.68663.25995.59932.13707.76521.78037.47647.26165.40565.68884.94675.25471.7795

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 112.690 C1 C5 H11 109.990
C1 C5 H12 109.990 C2 C6 C4 179.813
C3 C4 C6 178.896 C3 C5 H11 108.841
C3 C5 H12 108.841 C4 C3 C5 113.403
C4 C3 H13 109.406 C4 C3 H14 109.406
C5 C1 H7 111.241 C5 C1 H9 111.354
C5 C1 H10 111.354 C5 C3 H13 109.208
C5 C3 H14 109.208 C6 C2 H8 111.277
C6 C2 H15 111.346 C6 C2 H16 111.346
H7 C1 H9 107.607 H7 C1 H10 107.607
H8 C2 H15 107.577 H8 C2 H16 107.577
H9 C1 H10 107.479 H11 C5 H12 106.272
H13 C3 H14 105.937 H15 C2 H16 107.521
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.401      
2 C -0.562      
3 C -0.391      
4 C 0.141      
5 C -0.210      
6 C 0.014      
7 H 0.131      
8 H 0.160      
9 H 0.129      
10 H 0.129      
11 H 0.128      
12 H 0.128      
13 H 0.141      
14 H 0.141      
15 H 0.160      
16 H 0.160      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.112 -0.087 0.000 0.142
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.139 -2.798 0.000
y -2.798 -34.953 0.000
z 0.000 0.000 -38.184
Traceless
 xyz
x 0.430 -2.798 0.000
y -2.798 2.209 0.000
z 0.000 0.000 -2.639
Polar
3z2-r2-5.277
x2-y2-1.186
xy-2.798
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.600 -3.401 0.000
y -3.401 12.388 0.000
z 0.000 0.000 6.971


<r2> (average value of r2) Å2
<r2> 299.105
(<r2>)1/2 17.295