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

using model chemistry: HF/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at HF/SDD
 hartrees
Energy at 0K-232.912169
Energy at 298.15K-232.922449
Nuclear repulsion energy206.066206
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 HF/SDD
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 3290 2963 30.19      
2 A 3273 2947 76.79      
3 A 3219 2899 42.01      
4 A 3211 2891 32.62      
5 A 3208 2888 64.19      
6 A 3188 2870 54.91      
7 A 2524 2273 0.09      
8 A 1658 1493 10.37      
9 A 1647 1483 3.41      
10 A 1642 1478 1.24      
11 A 1639 1476 10.62      
12 A 1579 1422 0.10      
13 A 1567 1411 6.37      
14 A 1527 1375 3.42      
15 A 1452 1308 3.19      
16 A 1235 1112 10.98      
17 A 1222 1100 1.58      
18 A 1183 1065 0.34      
19 A 1124 1012 2.73      
20 A 969 873 4.46      
21 A 812 731 0.40      
22 A 564 508 1.48      
23 A 373 336 1.93      
24 A 312 281 9.33      
25 A 112 101 2.97      
26 A 3291 2964 33.62      
27 A 3285 2958 136.98      
28 A 3258 2934 0.61      
29 A 3246 2923 5.03      
30 A 1648 1484 9.99      
31 A 1639 1475 11.13      
32 A 1442 1299 0.00      
33 A 1384 1246 0.00      
34 A 1248 1124 0.00      
35 A 1183 1065 0.49      
36 A 969 872 0.74      
37 A 818 737 2.87      
38 A 483 435 0.00      
39 A 247 223 2.59      
40 A 237 214 12.78      
41 A 86 77 0.46      

Unscaled Zero Point Vibrational Energy (zpe) 33496.1 cm-1
Scaled (by 0.9004) Zero Point Vibrational Energy (zpe) 30159.9 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 HF/SDD
ABC
0.60750 0.03953 0.03815

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.189 -2.857 0.000
C2 -1.687 2.905 0.000
C3 0.927 -0.318 0.000
C4 0.000 0.830 0.000
C5 0.201 -1.681 0.000
C6 -0.760 1.761 0.000
H7 0.664 -3.806 0.000
H8 -2.716 2.566 0.000
H9 1.828 -2.831 0.877
H10 1.828 -2.831 -0.877
H11 -0.443 -1.739 -0.871
H12 -0.443 -1.739 0.871
H13 1.571 -0.253 -0.870
H14 1.571 -0.253 0.870
H15 -1.536 3.523 0.877
H16 -1.536 3.523 -0.877

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C16.44042.55213.87441.53615.01211.08476.68321.08571.08572.16132.16132.77172.77176.99276.9927
C26.44044.15062.67454.95981.47337.11161.08336.78526.78524.88644.88644.62124.62121.08321.0832
C32.55214.15061.47611.54372.67733.49764.64702.81022.81022.15692.15691.08511.08514.64654.6465
C43.87442.67451.47612.51931.20124.68393.22374.18574.18572.74892.74892.09802.09803.22153.2215
C51.53614.95981.54372.51933.57312.17525.15262.17732.17731.08441.08442.16172.16175.55565.5556
C65.01211.47332.67731.20123.57315.74602.11585.34365.34363.62023.62023.20153.20152.11592.1159
H71.08477.11163.49764.68392.17525.74607.21361.75351.75352.50132.50133.76873.76877.70227.7022
H86.68321.08334.64703.22375.15262.11587.21367.11037.11034.94594.94595.20515.20511.75421.7542
H91.08576.78522.81024.18572.17735.34361.75357.11031.75483.06692.52003.12522.59087.18987.4008
H101.08576.78522.81024.18572.17735.34361.75357.11031.75482.52003.06692.59083.12527.40087.1898
H112.16134.88642.15692.74891.08443.62022.50134.94593.06692.52001.74112.50293.04895.65125.3742
H122.16134.88642.15692.74891.08443.62022.50134.94592.52003.06691.74113.04892.50295.37425.6512
H132.77174.62121.08512.09802.16173.20153.76875.20513.12522.59082.50293.04891.74105.19334.8904
H142.77174.62121.08512.09802.16173.20153.76875.20512.59083.12523.04892.50291.74104.89045.1933
H156.99271.08324.64653.22155.55562.11597.70221.75427.18987.40085.65125.37425.19334.89041.7541
H166.99271.08324.64653.22155.55562.11597.70221.75427.40087.18985.37425.65124.89045.19331.7541

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 111.923 C1 C5 H11 109.929
C1 C5 H12 109.929 C2 C6 C4 179.756
C3 C4 C6 179.637 C3 C5 H11 109.064
C3 C5 H12 109.064 C4 C3 C5 113.061
C4 C3 H13 109.047 C4 C3 H14 109.047
C5 C1 H7 111.023 C5 C1 H9 111.131
C5 C1 H10 111.131 C5 C3 H13 109.398
C5 C3 H14 109.398 C6 C2 H8 110.774
C6 C2 H15 110.790 C6 C2 H16 110.790
H7 C1 H9 107.783 H7 C1 H10 107.783
H8 C2 H15 108.127 H8 C2 H16 108.127
H9 C1 H10 107.833 H11 C5 H12 106.790
H13 C3 H14 106.690 H15 C2 H16 108.126
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.575      
2 C -0.631      
3 C -0.349      
4 C -0.021      
5 C -0.260      
6 C -0.041      
7 H 0.188      
8 H 0.210      
9 H 0.171      
10 H 0.171      
11 H 0.169      
12 H 0.169      
13 H 0.190      
14 H 0.190      
15 H 0.210      
16 H 0.210      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.112 -0.095 0.000 0.146
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.924 -3.267 0.000
y -3.267 -35.330 0.000
z 0.000 0.000 -39.160
Traceless
 xyz
x 0.321 -3.267 0.000
y -3.267 2.712 0.000
z 0.000 0.000 -3.034
Polar
3z2-r2-6.067
x2-y2-1.594
xy-3.267
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.560 -2.482 0.000
y -2.482 10.746 0.000
z 0.000 0.000 6.636


<r2> (average value of r2) Å2
<r2> 296.308
(<r2>)1/2 17.214