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

using model chemistry: PBEPBEultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-234.266427
Energy at 298.15K-234.275132
HF Energy-234.266427
Nuclear repulsion energy205.147134
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 PBEPBEultrafine/6-31G*
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' 3061 3010 31.71      
2 A' 3031 2981 12.55      
3 A' 2989 2940 30.97      
4 A' 2978 2929 24.40      
5 A' 2967 2918 43.42      
6 A' 2944 2896 28.17      
7 A' 2304 2266 0.02      
8 A' 1489 1465 4.65      
9 A' 1473 1449 0.59      
10 A' 1460 1436 6.39      
11 A' 1454 1430 1.19      
12 A' 1393 1370 6.08      
13 A' 1389 1366 1.37      
14 A' 1352 1330 2.36      
15 A' 1275 1254 14.93      
16 A' 1167 1147 1.17      
17 A' 1088 1070 3.83      
18 A' 1035 1018 0.78      
19 A' 1028 1011 1.89      
20 A' 882 867 3.60      
21 A' 761 748 0.28      
22 A' 464 457 1.46      
23 A' 325 320 0.13      
24 A' 266 261 5.37      
25 A' 97 95 1.37      
26 A" 3053 3003 56.03      
27 A" 3031 2981 12.65      
28 A" 3025 2975 5.12      
29 A" 2974 2925 11.11      
30 A" 1481 1456 7.63      
31 A" 1460 1436 5.97      
32 A" 1294 1273 0.03      
33 A" 1232 1212 0.18      
34 A" 1098 1080 0.89      
35 A" 1028 1011 2.14      
36 A" 853 839 0.61      
37 A" 730 718 3.69      
38 A" 348 342 0.00      
39 A" 238 234 0.04      
40 A" 217 213 7.74      
41 A" 81 80 0.31      
42 A" 17 17 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 30415.9 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 29914.0 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 PBEPBEultrafine/6-31G*
ABC
0.59128 0.03952 0.03811

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.245 -2.835 0.000
C2 -1.763 2.860 0.000
C3 0.942 -0.295 0.000
C4 0.000 0.832 0.000
C5 0.243 -1.673 0.000
C6 -0.804 1.752 0.000
H7 0.727 -3.808 0.000
H8 -2.802 2.487 0.000
H9 1.897 -2.802 0.891
H10 1.897 -2.802 -0.891
H11 -0.415 -1.739 -0.884
H12 -0.415 -1.739 0.884
H13 1.603 -0.221 -0.884
H14 1.603 -0.221 0.884
H15 -1.636 3.498 0.891
H16 -1.636 3.498 -0.891

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C16.44052.55823.87271.53485.02421.10276.68611.10391.10392.17682.17682.78262.78267.01457.0145
C26.44054.15562.68714.95651.46507.11751.10366.80006.80004.87334.87334.64814.64811.10351.1035
C32.55824.15561.46871.54502.69053.51994.66422.82662.82662.16982.16981.10661.10664.67184.6718
C43.87272.68711.46872.51651.22204.69683.25424.19474.19472.75042.75042.11202.11203.25243.2524
C51.53484.95651.54502.51653.58142.18965.15502.19152.19151.10391.10392.17702.17705.57335.5733
C65.02421.46502.69051.22203.58145.76722.12875.36905.36903.62253.62253.23573.23572.12932.1293
H71.10277.11753.51994.69682.18965.76727.21661.78171.78172.52302.52303.79713.79717.73037.7303
H86.68611.10364.66423.25425.15502.12877.21667.13037.13034.93364.93365.24595.24591.78221.7822
H91.10396.80002.82664.19472.19155.36901.78177.13031.78143.10182.54393.14602.59757.22287.4392
H101.10396.80002.82664.19472.19155.36901.78177.13031.78142.54393.10182.59753.14607.43927.2228
H112.17684.87332.16982.75041.10393.62252.52304.93363.10182.54391.76822.52533.08285.66325.3778
H122.17684.87332.16982.75041.10393.62252.52304.93362.54393.10181.76823.08282.52535.37785.6632
H132.78264.64811.10662.11202.17703.23573.79715.24593.14602.59752.52533.08281.76835.24164.9319
H142.78264.64811.10662.11202.17703.23573.79715.24592.59753.14603.08282.52531.76834.93195.2416
H157.01451.10354.67183.25245.57332.12937.73031.78227.22287.43925.66325.37785.24164.93191.7818
H167.01451.10354.67183.25245.57332.12937.73031.78227.43927.22285.37785.66324.93195.24161.7818

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 112.331 C1 C5 H11 110.092
C1 C5 H12 110.092 C2 C6 C4 179.746
C3 C4 C6 178.739 C3 C5 H11 108.857
C3 C5 H12 108.857 C4 C3 C5 113.214
C4 C3 H13 109.390 C4 C3 H14 109.390
C5 C1 H7 111.175 C5 C1 H9 111.257
C5 C1 H10 111.257 C5 C3 H13 109.263
C5 C3 H14 109.263 C6 C2 H8 111.158
C6 C2 H15 111.212 C6 C2 H16 111.212
H7 C1 H9 107.694 H7 C1 H10 107.694
H8 C2 H15 107.706 H8 C2 H16 107.706
H9 C1 H10 107.584 H11 C5 H12 106.425
H13 C3 H14 106.072 H15 C2 H16 107.674
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.483      
2 C -0.633      
3 C -0.444      
4 C 0.122      
5 C -0.280      
6 C 0.003      
7 H 0.162      
8 H 0.190      
9 H 0.157      
10 H 0.157      
11 H 0.161      
12 H 0.161      
13 H 0.174      
14 H 0.174      
15 H 0.190      
16 H 0.190      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.125 -0.087 0.000 0.153
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.745 -3.034 -0.000
y -3.034 -34.488 0.001
z -0.000 0.001 -38.007
Traceless
 xyz
x 0.503 -3.034 -0.000
y -3.034 2.388 0.001
z -0.000 0.001 -2.891
Polar
3z2-r2-5.781
x2-y2-1.257
xy-3.034
xz-0.000
yz0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.660 -3.438 -0.001
y -3.438 12.382 0.000
z -0.001 0.000 6.971


<r2> (average value of r2) Å2
<r2> 296.444
(<r2>)1/2 17.218