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

using model chemistry: HF/aug-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 HF/aug-cc-pVDZ
 hartrees
Energy at 0K-233.004086
Energy at 298.15K-233.013395
Nuclear repulsion energy206.464971
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/aug-cc-pVDZ
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 3251 2961 16.06      
2 A 3232 2943 57.54      
3 A 3181 2896 53.86      
4 A 3180 2896 28.95      
5 A 3175 2892 19.24      
6 A 3159 2876 33.46      
7 A 2534 2307 0.03      
8 A 1607 1463 4.91      
9 A 1589 1447 0.97      
10 A 1583 1442 2.33      
11 A 1580 1438 7.44      
12 A 1525 1389 0.11      
13 A 1520 1384 6.40      
14 A 1502 1368 3.32      
15 A 1403 1278 14.79      
16 A 1212 1104 1.62      
17 A 1195 1088 0.54      
18 A 1137 1035 0.00      
19 A 1109 1010 1.66      
20 A 955 870 2.27      
21 A 805 733 0.24      
22 A 535 487 1.40      
23 A 364 331 0.75      
24 A 304 276 7.46      
25 A 108 99 2.24      
26 A 3251 2961 15.73      
27 A 3237 2947 101.57      
28 A 3213 2926 0.63      
29 A 3199 2913 1.15      
30 A 1593 1451 6.10      
31 A 1579 1438 7.18      
32 A 1420 1293 0.10      
33 A 1353 1232 0.00      
34 A 1210 1101 0.15      
35 A 1136 1034 0.00      
36 A 933 849 0.48      
37 A 789 718 1.21      
38 A 436 397 0.00      
39 A 257 234 0.10      
40 A 233 212 11.09      
41 A 88 80 0.41      
42 A 25 23 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 32846.9 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 29910.4 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/aug-cc-pVDZ
ABC
0.60331 0.03984 0.03844

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.195 -2.840 0.000
C2 -1.705 2.881 0.000
C3 0.931 -0.312 0.000
C4 0.000 0.831 0.000
C5 0.216 -1.669 0.000
C6 -0.767 1.747 0.000
H7 0.662 -3.792 0.000
H8 -2.734 2.525 0.000
H9 1.838 -2.818 0.882
H10 1.838 -2.818 -0.882
H11 -0.433 -1.727 -0.875
H12 -0.433 -1.727 0.875
H13 1.578 -0.237 -0.876
H14 1.578 -0.237 0.876
H15 -1.556 3.500 0.883
H16 -1.556 3.500 -0.883

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C16.41392.54263.86131.52694.98961.09056.65001.09191.09192.15752.15752.77382.77386.96826.9682
C26.41394.13992.66574.93811.47107.08001.08926.76796.76794.85964.85964.61104.61101.08921.0892
C32.54264.13991.47431.53422.66903.49094.63482.80772.80772.15212.15211.09121.09124.63684.6368
C43.86132.66571.47432.50931.19474.67063.21624.18034.18032.73862.73862.09712.09713.21353.2135
C51.52694.93811.53422.50933.55452.16985.12712.17492.17491.09101.09102.16182.16185.53535.5353
C64.98961.47102.66901.19473.55455.72072.11525.32985.32983.59853.59853.19413.19412.11582.1158
H71.09057.08003.49094.67062.16985.72077.17201.76301.76302.49582.49583.77453.77457.67357.6735
H86.65001.08924.63483.21625.12712.11527.17207.08727.08724.91334.91335.19505.19501.76611.7661
H91.09196.76792.80774.18032.17495.32981.76307.08721.76473.07162.51923.13422.59477.17257.3866
H101.09196.76792.80774.18032.17495.32981.76307.08721.76472.51923.07162.59473.13427.38667.1725
H112.15754.85962.15212.73861.09103.59852.49584.91333.07162.51921.75012.50343.05485.62875.3470
H122.15754.85962.15212.73861.09103.59852.49584.91332.51923.07161.75013.05482.50345.34705.6287
H132.77384.61101.09122.09712.16183.19413.77455.19503.13422.59472.50343.05481.75125.18504.8776
H142.77384.61101.09122.09712.16183.19413.77455.19502.59473.13423.05482.50341.75124.87765.1850
H156.96821.08924.63683.21355.53532.11587.67351.76617.17257.38665.62875.34705.18504.87761.7666
H166.96821.08924.63683.21355.53532.11587.67351.76617.38667.17255.34705.62874.87765.18501.7666

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 112.321 C1 C5 H11 109.884
C1 C5 H12 109.884 C2 C6 C4 179.653
C3 C4 C6 179.226 C3 C5 H11 108.961
C3 C5 H12 108.961 C4 C3 C5 113.023
C4 C3 H13 108.734 C4 C3 H14 108.734
C5 C1 H7 110.890 C5 C1 H9 111.214
C5 C1 H10 111.214 C5 C3 H13 109.709
C5 C3 H14 109.709 C6 C2 H8 110.534
C6 C2 H15 110.586 C6 C2 H16 110.586
H7 C1 H9 107.770 H7 C1 H10 107.770
H8 C2 H15 108.338 H8 C2 H16 108.338
H9 C1 H10 107.824 H11 C5 H12 106.660
H13 C3 H14 106.731 H15 C2 H16 108.380
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.485      
2 C 0.147      
3 C -0.081      
4 C 0.193      
5 C 0.315      
6 C -0.950      
7 H -0.067      
8 H 0.110      
9 H -0.076      
10 H -0.076      
11 H -0.174      
12 H -0.174      
13 H 0.050      
14 H 0.050      
15 H 0.124      
16 H 0.124      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.120 -0.113 0.000 0.165
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.073 -3.110 0.000
y -3.110 -35.576 0.000
z 0.000 0.000 -39.133
Traceless
 xyz
x 0.281 -3.110 0.000
y -3.110 2.527 0.000
z 0.000 0.000 -2.808
Polar
3z2-r2-5.617
x2-y2-1.498
xy-3.110
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 294.513
(<r2>)1/2 17.161