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

using model chemistry: BLYP/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-234.480537
Energy at 298.15K-234.489264
Nuclear repulsion energy204.938364
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 BLYP/6-31G(2df,p)
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 3025 3009 36.22      
2 A 2994 2978 15.25      
3 A 2963 2947 35.28      
4 A 2955 2939 22.78      
5 A 2943 2927 48.07      
6 A 2920 2904 30.24      
7 A 2292 2280 0.02      
8 A 1472 1464 2.06      
9 A 1455 1447 0.23      
10 A 1443 1435 4.20      
11 A 1436 1428 1.43      
12 A 1379 1371 10.17      
13 A 1377 1369 0.28      
14 A 1335 1328 1.17      
15 A 1271 1264 23.70      
16 A 1139 1133 0.42      
17 A 1074 1068 1.57      
18 A 1025 1019 0.52      
19 A 1003 997 1.16      
20 A 863 858 2.14      
21 A 745 741 0.18      
22 A 464 461 1.15      
23 A 325 323 0.16      
24 A 267 266 4.90      
25 A 97 97 1.34      
26 A 3019 3003 63.27      
27 A 2993 2977 15.41      
28 A 2991 2974 5.03      
29 A 2940 2924 11.80      
30 A 1464 1456 4.36      
31 A 1442 1435 3.93      
32 A 1286 1279 0.00      
33 A 1224 1217 0.06      
34 A 1092 1086 0.18      
35 A 1024 1018 0.68      
36 A 851 846 0.49      
37 A 726 722 2.13      
38 A 352 350 0.00      
39 A 240 238 0.01      
40 A 212 211 7.11      
41 A 80 80 0.26      
42 A 24 24 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 30110.5 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 29944.9 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 BLYP/6-31G(2df,p)
ABC
0.58716 0.03943 0.03800

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.248 -2.841 0.000
C2 -1.763 2.853 0.000
C3 0.940 -0.284 0.000
C4 0.000 0.839 0.000
C5 0.242 -1.674 0.000
C6 -0.803 1.751 0.000
H7 0.730 -3.813 0.000
H8 -2.803 2.485 0.000
H9 1.899 -2.809 0.889
H10 1.899 -2.809 -0.889
H11 -0.416 -1.740 -0.882
H12 -0.416 -1.740 0.882
H13 1.606 -0.215 -0.881
H14 1.606 -0.215 0.881
H15 -1.643 3.496 0.889
H16 -1.643 3.496 -0.889

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C16.44162.57623.88631.54075.02931.10116.69221.10291.10292.18192.18192.79272.79277.02227.0222
C26.44164.14052.67674.95171.46177.11721.10356.80226.80224.86754.86754.64144.64141.10351.1035
C32.57624.14051.46411.55612.67893.53564.65582.84472.84472.17692.17691.10651.10654.66334.6633
C43.88632.67671.46412.52521.21504.70903.25084.20844.20842.75772.75772.11362.11363.24793.2479
C51.54074.95171.55612.52523.58092.19355.15532.19692.19691.10281.10282.18292.18295.57485.5748
C65.02931.46172.67891.21503.58095.77102.13045.37495.37493.62133.62133.23213.23212.13122.1312
H71.10117.11723.53564.70902.19355.77107.22181.77911.77912.52762.52763.80593.80597.73607.7360
H86.69221.10354.65583.25085.15532.13047.22187.13737.13734.93284.93285.24515.24511.77721.7772
H91.10296.80222.84474.20842.19695.37491.77917.13731.77883.10562.55063.15412.61067.23257.4479
H101.10296.80222.84474.20842.19695.37491.77917.13731.77882.55063.10562.61063.15417.44797.2325
H112.18194.86752.17692.75771.10283.62132.52764.93283.10562.55061.76482.53273.08605.66245.3783
H122.18194.86752.17692.75771.10283.62132.52764.93282.55063.10561.76483.08602.53275.37835.6624
H132.79274.64141.10652.11362.18293.23213.80595.24513.15412.61062.53273.08601.76155.24054.9327
H142.79274.64141.10652.11362.18293.23213.80595.24512.61063.15413.08602.53271.76154.93275.2405
H157.02221.10354.66333.24795.57482.13127.73601.77727.23257.44795.66245.37835.24054.93271.7776
H167.02221.10354.66333.24795.57482.13127.73601.77727.44797.23255.37835.66244.93275.24051.7776

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 112.588 C1 C5 H11 110.155
C1 C5 H12 110.155 C2 C6 C4 179.620
C3 C4 C6 178.529 C3 C5 H11 108.721
C3 C5 H12 108.721 C4 C3 C5 113.429
C4 C3 H13 109.832 C4 C3 H14 109.832
C5 C1 H7 111.172 C5 C1 H9 111.335
C5 C1 H10 111.335 C5 C3 H13 108.972
C5 C3 H14 108.972 C6 C2 H8 111.543
C6 C2 H15 111.604 C6 C2 H16 111.604
H7 C1 H9 107.653 H7 C1 H10 107.653
H8 C2 H15 107.268 H8 C2 H16 107.268
H9 C1 H10 107.503 H11 C5 H12 106.288
H13 C3 H14 105.494 H15 C2 H16 107.301
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.342      
2 C -0.479      
3 C -0.322      
4 C 0.064      
5 C -0.112      
6 C 0.118      
7 H 0.097      
8 H 0.129      
9 H 0.100      
10 H 0.100      
11 H 0.090      
12 H 0.090      
13 H 0.104      
14 H 0.104      
15 H 0.129      
16 H 0.129      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.125 -0.091 0.000 0.155
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.136 -2.735 0.000
y -2.735 -35.081 0.000
z 0.000 0.000 -38.121
Traceless
 xyz
x 0.465 -2.735 0.000
y -2.735 2.047 0.000
z 0.000 0.000 -2.512
Polar
3z2-r2-5.025
x2-y2-1.055
xy-2.735
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.025 -3.411 0.000
y -3.411 12.859 0.000
z 0.000 0.000 7.347


<r2> (average value of r2) Å2
<r2> 297.359
(<r2>)1/2 17.244