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

using model chemistry: B3PW91/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 B3PW91/cc-pVDZ
 hartrees
Energy at 0K-234.528601
Energy at 298.15K-234.537519
Nuclear repulsion energy205.869245
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 B3PW91/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 3126 3017 28.75      
2 A 3114 3005 8.25      
3 A 3051 2944 25.42      
4 A 3037 2931 27.75      
5 A 3035 2929 45.55      
6 A 3019 2913 21.35      
7 A 2372 2289 0.03      
8 A 1478 1426 5.12      
9 A 1464 1413 0.52      
10 A 1446 1396 7.37      
11 A 1444 1393 1.94      
12 A 1399 1350 0.47      
13 A 1390 1341 5.70      
14 A 1375 1327 1.83      
15 A 1290 1245 12.32      
16 A 1182 1141 2.64      
17 A 1111 1072 1.83      
18 A 1065 1027 0.74      
19 A 1033 997 1.31      
20 A 904 873 3.28      
21 A 778 750 0.23      
22 A 491 474 1.16      
23 A 339 327 0.41      
24 A 278 268 6.06      
25 A 102 98 1.72      
26 A 3119 3010 51.33      
27 A 3114 3005 8.28      
28 A 3092 2983 6.36      
29 A 3055 2948 6.51      
30 A 1469 1417 7.14      
31 A 1446 1395 7.35      
32 A 1310 1264 0.00      
33 A 1243 1199 0.02      
34 A 1107 1068 0.32      
35 A 1033 997 1.49      
36 A 866 836 0.64      
37 A 745 719 3.44      
38 A 387 374 0.00      
39 A 249 240 0.03      
40 A 220 213 8.71      
41 A 86 83 0.42      
42 A 11 11 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 30937.2 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 29854.4 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 B3PW91/cc-pVDZ
ABC
0.60015 0.03974 0.03834

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.218 -2.832 0.000
C2 -1.724 2.867 0.000
C3 0.927 -0.304 0.000
C4 0.000 0.825 0.000
C5 0.229 -1.672 0.000
C6 -0.787 1.751 0.000
H7 0.697 -3.801 0.000
H8 -2.767 2.513 0.000
H9 1.870 -2.805 0.889
H10 1.870 -2.805 -0.889
H11 -0.431 -1.735 -0.882
H12 -0.431 -1.735 0.882
H13 1.590 -0.230 -0.881
H14 1.590 -0.230 0.881
H15 -1.588 3.504 0.889
H16 -1.588 3.504 -0.889

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C16.41342.54433.85431.52375.00221.10096.66631.10271.10272.16752.16752.77192.77196.98576.9857
C26.41344.13342.67234.94181.45727.09461.10196.77346.77344.86084.86084.62104.62101.10191.1019
C32.54434.13341.46121.53582.67623.50514.64552.81642.81642.16062.16061.10531.10534.64934.6493
C43.85432.67231.46122.50781.21514.67893.24084.17904.17902.74152.74152.10232.10233.23843.2384
C51.52374.94181.53582.50783.57112.18015.14682.18292.18291.10311.10312.16982.16985.55725.5572
C65.00221.45722.67621.21513.57115.74772.12165.34855.34853.61343.61343.21763.21762.12222.1222
H71.10097.09463.50514.67892.18015.74777.20191.77761.77762.51412.51413.78543.78547.70577.7057
H86.66631.10194.64553.24085.14682.12167.20197.11117.11114.92694.92695.22355.22351.77831.7783
H91.10276.77342.81644.17902.18295.34851.77767.11111.77703.09402.53773.13672.58987.19427.4106
H101.10276.77342.81644.17902.18295.34851.77767.11111.77702.53773.09402.58983.13677.41067.1942
H112.16754.86082.16062.74151.10313.61342.51414.92693.09402.53771.76312.51963.07505.64945.3646
H122.16754.86082.16062.74151.10313.61342.51414.92692.53773.09401.76313.07502.51965.36465.6494
H132.77194.62101.10532.10232.16983.21763.78545.22353.13672.58982.51963.07501.76255.21334.9034
H142.77194.62101.10532.10232.16983.21763.78545.22352.58983.13673.07502.51961.76254.90345.2133
H156.98571.10194.64933.23845.55722.12227.70571.77837.19427.41065.64945.36465.21334.90341.7788
H166.98571.10194.64933.23845.55722.12227.70571.77837.41067.19425.36465.64944.90345.21331.7788

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 112.528 C1 C5 H11 110.185
C1 C5 H12 110.185 C2 C6 C4 179.680
C3 C4 C6 179.054 C3 C5 H11 108.811
C3 C5 H12 108.811 C4 C3 C5 113.580
C4 C3 H13 109.213 C4 C3 H14 109.213
C5 C1 H7 111.314 C5 C1 H9 111.424
C5 C1 H10 111.424 C5 C3 H13 109.398
C5 C3 H14 109.398 C6 C2 H8 111.241
C6 C2 H15 111.291 C6 C2 H16 111.291
H7 C1 H9 107.549 H7 C1 H10 107.549
H8 C2 H15 107.597 H8 C2 H16 107.597
H9 C1 H10 107.368 H11 C5 H12 106.102
H13 C3 H14 105.742 H15 C2 H16 107.635
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.072      
2 C -0.026      
3 C -0.066      
4 C -0.002      
5 C -0.103      
6 C -0.289      
7 H 0.042      
8 H 0.075      
9 H 0.041      
10 H 0.041      
11 H 0.045      
12 H 0.045      
13 H 0.061      
14 H 0.061      
15 H 0.075      
16 H 0.075      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.123 -0.076 0.000 0.145
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.954 -3.144 0.000
y -3.144 -34.496 0.000
z 0.000 0.000 -38.242
Traceless
 xyz
x 0.415 -3.144 0.000
y -3.144 2.602 0.000
z 0.000 0.000 -3.017
Polar
3z2-r2-6.034
x2-y2-1.458
xy-3.144
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> 294.854
(<r2>)1/2 17.171