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

using model chemistry: HF/STO-3G

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/STO-3G
 hartrees
Energy at 0K-230.200994
Energy at 298.15K-230.210288
Nuclear repulsion energy206.125683
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/STO-3G
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 3753 3064 2.99      
2 A 3752 3064 1.49      
3 A 3729 3045 1.29      
4 A 3727 3043 0.03      
5 A 3727 3043 0.03      
6 A 3699 3020 0.13      
7 A 3614 2951 3.08      
8 A 3591 2932 2.32      
9 A 3568 2914 2.23      
10 A 3554 2902 2.23      
11 A 2880 2351 0.09      
12 A 1846 1507 0.64      
13 A 1836 1499 2.11      
14 A 1825 1490 0.04      
15 A 1809 1477 3.13      
16 A 1809 1477 3.16      
17 A 1806 1474 2.19      
18 A 1745 1425 0.92      
19 A 1719 1404 13.06      
20 A 1697 1386 2.41      
21 A 1560 1273 34.50      
22 A 1557 1271 0.01      
23 A 1495 1221 0.03      
24 A 1336 1091 0.33      
25 A 1326 1083 7.37      
26 A 1321 1078 2.50      
27 A 1261 1030 1.38      
28 A 1261 1030 1.42      
29 A 1240 1012 1.41      
30 A 1070 874 1.32      
31 A 1043 852 0.09      
32 A 879 717 0.12      
33 A 866 707 3.21      
34 A 607 496 0.32      
35 A 519 424 0.00      
36 A 394 322 0.51      
37 A 329 269 1.53      
38 A 254 208 2.77      
39 A 251 205 0.05      
40 A 119 97 0.57      
41 A 87 71 0.06      
42 A 59 48 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 37260.1 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 30422.9 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/STO-3G
ABC
0.59806 0.03970 0.03828

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 3.091 0.159 -0.001
C2 -3.340 0.283 -0.001
C3 0.681 -0.712 0.000
C4 -0.763 -0.357 0.001
C5 1.598 0.539 0.001
C6 -1.900 -0.073 -0.000
H7 3.709 1.052 -0.002
H8 -3.469 1.363 -0.051
H9 3.337 -0.427 -0.881
H10 3.340 -0.426 0.879
H11 1.376 1.142 0.879
H12 1.374 1.145 -0.874
H13 0.903 -1.323 0.877
H14 0.902 -1.321 -0.878
H15 -3.846 -0.160 -0.857
H16 -3.826 -0.076 0.905

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C16.43192.56233.88861.54084.99621.08606.66951.08601.08602.16402.16402.78472.78396.99696.9796
C26.43194.14262.65484.94411.48347.09061.08896.77256.77514.87334.87084.62054.61911.08891.0889
C32.56234.14261.48781.55072.65923.50424.64062.81302.81492.16672.16661.09091.09094.64094.6409
C43.88862.65481.48782.52511.17144.68903.20644.19534.19712.75572.75502.11562.11563.20603.2053
C51.54084.94411.55072.52513.55072.17285.13332.17702.17701.08831.08832.17142.17145.55515.5323
C64.99621.48342.65921.17143.55075.72062.12785.32275.32523.60303.60083.19153.19022.12812.1281
H71.08607.09063.50424.68902.17285.72067.18471.76041.76042.49582.49433.77993.77847.69937.6724
H86.66951.08894.64063.20645.13332.12787.18477.08677.10164.93804.91715.21405.19551.76411.7641
H91.08606.77252.81304.19532.17705.32271.76047.08671.76013.06772.51553.13372.59427.18867.3909
H101.08606.77512.81494.19712.17705.32521.76047.10161.76012.51413.06772.59713.13537.39797.1746
H112.16404.87332.16672.75571.08833.60302.49584.93803.06772.51411.75372.51003.06255.65495.3422
H122.16404.87082.16662.75501.08833.60082.49434.91712.51553.06771.75373.06252.51075.38075.6296
H132.78474.62051.09092.11562.17143.19153.77995.21403.13372.59712.51003.06251.75455.18744.8902
H142.78394.61911.09092.11562.17143.19023.77845.19552.59423.13533.06252.51071.75454.88815.2040
H156.99691.08894.64093.20605.55512.12817.69931.76417.18867.39795.65495.38075.18744.88811.7642
H166.97961.08894.64093.20535.53232.12817.67241.76417.39097.17465.34225.62964.89025.20401.7642

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 111.951 C1 C5 H11 109.594
C1 C5 H12 109.594 C2 C6 C4 179.878
C3 C4 C6 179.783 C3 C5 H11 109.115
C3 C5 H12 109.114 C4 C3 C5 112.391
C4 C3 H13 109.283 C4 C3 H14 109.288
C5 C1 H7 110.425 C5 C1 H9 110.749
C5 C1 H10 110.752 C5 C3 H13 109.334
C5 C3 H14 109.336 C6 C2 H8 110.694
C6 C2 H15 110.715 C6 C2 H16 110.711
H7 C1 H9 108.286 H7 C1 H10 108.287
H8 C2 H15 108.206 H8 C2 H16 108.205
H9 C1 H10 108.253 H11 C5 H12 107.361
H13 C3 H14 107.065 H15 C2 H16 108.212
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.178      
2 C -0.183      
3 C -0.103      
4 C -0.066      
5 C -0.088      
6 C -0.063      
7 H 0.061      
8 H 0.081      
9 H 0.058      
10 H 0.058      
11 H 0.059      
12 H 0.059      
13 H 0.072      
14 H 0.072      
15 H 0.081      
16 H 0.081      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.088 0.086 -0.001 0.123
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.313 -0.963 0.002
y -0.963 -36.023 -0.000
z 0.002 -0.000 -36.020
Traceless
 xyz
x 3.708 -0.963 0.002
y -0.963 -1.856 -0.000
z 0.002 -0.000 -1.852
Polar
3z2-r2-3.704
x2-y23.709
xy-0.963
xz0.002
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.255 -0.625 0.003
y -0.625 3.528 -0.001
z 0.003 -0.001 3.335


<r2> (average value of r2) Å2
<r2> 294.021
(<r2>)1/2 17.147