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

using model chemistry: mPW1PW91/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 mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-234.568973
Energy at 298.15K-234.577787
Nuclear repulsion energy206.357701
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 mPW1PW91/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 3139 3008 33.05      
2 A 3134 3003 58.43      
3 A 3131 3001 8.54      
4 A 3131 3000 8.09      
5 A 3110 2980 1.15      
6 A 3078 2949 4.74      
7 A 3071 2943 26.86      
8 A 3052 2925 30.86      
9 A 3051 2923 44.79      
10 A 3041 2914 15.36      
11 A 2380 2280 0.03      
12 A 1486 1424 6.77      
13 A 1475 1414 7.62      
14 A 1471 1410 1.05      
15 A 1457 1397 7.91      
16 A 1457 1396 8.22      
17 A 1455 1395 1.85      
18 A 1398 1340 0.01      
19 A 1396 1338 4.52      
20 A 1378 1321 2.23      
21 A 1315 1260 0.04      
22 A 1293 1239 7.40      
23 A 1248 1196 0.02      
24 A 1184 1134 1.67      
25 A 1115 1069 2.04      
26 A 1111 1064 0.01      
27 A 1070 1025 0.74      
28 A 1035 992 0.30      
29 A 1031 988 0.35      
30 A 906 868 3.35      
31 A 863 827 0.61      
32 A 775 743 0.26      
33 A 735 705 2.39      
34 A 474 454 1.93      
35 A 331 318 0.05      
36 A 328 314 0.06      
37 A 272 260 7.15      
38 A 228 219 0.00      
39 A 212 204 10.83      
40 A 98 93 2.08      
41 A 79 76 0.39      
42 A 29 28 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 31010.3 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 29717.2 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 mPW1PW91/aug-cc-pVDZ
ABC
0.59555 0.04001 0.03857

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 3.068 0.167 -0.000
C2 -3.325 0.283 -0.000
C3 0.685 -0.704 0.000
C4 -0.738 -0.377 0.000
C5 1.591 0.533 0.000
C6 -1.911 -0.068 -0.000
H7 3.700 1.064 0.000
H8 -3.461 1.364 -0.135
H9 3.332 -0.425 -0.887
H10 3.332 -0.426 0.886
H11 1.353 1.147 0.880
H12 1.353 1.147 -0.879
H13 0.914 -1.324 0.880
H14 0.914 -1.324 -0.880
H15 -3.857 -0.227 -0.813
H16 -3.802 -0.001 0.947

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C16.39472.53723.84491.52224.98481.09706.63991.09861.09862.16262.16262.76412.76386.98456.9371
C26.39474.13022.67034.92251.45747.06801.09786.75306.75334.83784.83744.61844.61841.09771.0977
C32.53724.13021.46011.53312.67273.49444.63552.80502.80482.15472.15481.10071.10074.63954.6393
C43.84492.67031.46012.50041.21304.66563.23534.16544.16542.73252.73232.09762.09763.22733.2288
C51.52224.92251.53312.50043.55312.17445.12182.17642.17641.09831.09832.16412.16415.56105.5011
C64.98481.45742.67271.21303.55315.72352.11525.32905.32923.59203.59153.21433.21422.11562.1158
H71.09707.06803.49444.66562.17445.72357.16831.77241.77242.50742.50753.77343.77337.70957.6354
H86.63991.09784.63553.23535.12182.11527.16837.06497.09904.92474.87585.23465.18911.77481.7749
H91.09866.75302.80504.16542.17645.32901.77247.06491.77343.08362.52773.12672.57947.19227.3776
H101.09866.75332.80484.16542.17645.32921.77247.09901.77342.52793.08362.57953.12597.39027.1465
H112.16264.83782.15472.73251.09833.59202.50744.92473.08362.52791.75852.50973.06495.64815.2812
H122.16264.83742.15482.73231.09833.59152.50754.87582.52773.08361.75853.06492.51015.38865.5873
H132.76414.61841.10072.09762.16413.21433.77345.23463.12672.57952.50973.06491.75955.18044.8982
H142.76384.61841.10072.09762.16413.21423.77335.18912.57943.12593.06492.51011.75954.89655.2274
H156.98451.09774.63953.22735.56102.11567.70951.77487.19227.39025.64815.38865.18044.89651.7757
H166.93711.09774.63933.22885.50112.11587.63541.77497.37767.14655.28125.58734.89825.22741.7757

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 112.281 C1 C5 H11 110.182
C1 C5 H12 110.180 C2 C6 C4 179.211
C3 C4 C6 178.177 C3 C5 H11 108.818
C3 C5 H12 108.822 C4 C3 C5 113.285
C4 C3 H13 109.189 C4 C3 H14 109.187
C5 C1 H7 111.195 C5 C1 H9 111.258
C5 C1 H10 111.258 C5 C3 H13 109.404
C5 C3 H14 109.407 C6 C2 H8 110.963
C6 C2 H15 110.997 C6 C2 H16 111.020
H7 C1 H9 107.659 H7 C1 H10 107.657
H8 C2 H15 107.873 H8 C2 H16 107.888
H9 C1 H10 107.631 H11 C5 H12 106.368
H13 C3 H14 106.119 H15 C2 H16 107.961
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.456      
2 C 0.123      
3 C 0.261      
4 C 0.277      
5 C 0.624      
6 C -0.750      
7 H -0.127      
8 H 0.034      
9 H -0.116      
10 H -0.117      
11 H -0.287      
12 H -0.287      
13 H -0.089      
14 H -0.090      
15 H 0.044      
16 H 0.043      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.039 0.177 -0.001 0.181
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.004 -1.304 0.004
y -1.304 -38.744 -0.000
z 0.004 -0.000 -38.659
Traceless
 xyz
x 5.697 -1.304 0.004
y -1.304 -2.912 -0.000
z 0.004 -0.000 -2.785
Polar
3z2-r2-5.570
x2-y25.740
xy-1.304
xz0.004
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 15.992 -0.781 0.000
y -0.781 9.373 0.001
z 0.000 0.001 8.754


<r2> (average value of r2) Å2
<r2> 293.528
(<r2>)1/2 17.133