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

using model chemistry: MP2/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 MP2/cc-pVDZ
 hartrees
Energy at 0K-233.822158
Energy at 298.15K-233.830994
HF Energy-232.992184
Nuclear repulsion energy204.917882
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 MP2/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 3180 3029 25.62      
2 A 3177 3026 8.17      
3 A 3093 2946 24.48      
4 A 3083 2937 30.30      
5 A 3078 2932 32.88      
6 A 3068 2923 17.93      
7 A 2273 2165 0.07      
8 A 1504 1432 4.44      
9 A 1489 1418 0.25      
10 A 1481 1411 6.63      
11 A 1472 1402 1.53      
12 A 1413 1346 0.02      
13 A 1412 1345 7.37      
14 A 1388 1322 2.60      
15 A 1300 1238 13.85      
16 A 1191 1134 0.21      
17 A 1125 1072 1.32      
18 A 1082 1031 0.68      
19 A 1054 1004 0.70      
20 A 913 870 2.61      
21 A 771 734 0.15      
22 A 467 445 1.56      
23 A 330 314 0.02      
24 A 262 250 5.36      
25 A 97 92 1.47      
26 A 3178 3027 8.50      
27 A 3175 3024 43.46      
28 A 3148 2998 9.49      
29 A 3118 2969 5.02      
30 A 1496 1425 6.79      
31 A 1481 1411 6.25      
32 A 1324 1261 0.00      
33 A 1261 1201 0.09      
34 A 1125 1071 0.16      
35 A 1053 1003 0.85      
36 A 872 830 0.48      
37 A 749 713 2.06      
38 A 339 323 0.00      
39 A 252 240 0.04      
40 A 214 203 7.63      
41 A 84 80 0.38      
42 A 17 16 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 31292.4 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 29806.0 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 MP2/cc-pVDZ
ABC
0.58649 0.03945 0.03802

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.268 -2.818 0.000
C2 -1.799 2.845 0.000
C3 0.954 -0.294 0.000
C4 0.000 0.826 0.000
C5 0.260 -1.667 0.000
C6 -0.824 1.745 0.000
H7 0.760 -3.796 0.000
H8 -2.831 2.457 0.000
H9 1.917 -2.774 0.891
H10 1.917 -2.774 -0.891
H11 -0.397 -1.734 -0.886
H12 -0.397 -1.734 0.886
H13 1.613 -0.217 -0.885
H14 1.613 -0.217 0.885
H15 -1.677 3.481 0.891
H16 -1.677 3.481 -0.891

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C16.44012.54343.85851.52965.01961.10226.67991.10361.10362.17492.17492.76912.76917.01057.0105
C26.44014.17562.70424.95981.47027.11701.10236.79546.79544.86984.86984.66934.66931.10231.1023
C32.54344.17561.47171.53862.70543.50754.67922.80552.80552.16382.16381.10601.10604.68744.6874
C43.85852.70421.47172.50691.23404.68443.26694.17504.17502.73772.73772.11502.11503.26443.2644
C51.52964.95981.53862.50693.58032.18685.15372.18292.18291.10451.10452.17182.17185.57265.5726
C65.01961.47022.70541.23403.58035.76312.12985.35995.35993.61523.61523.25123.25122.13002.1300
H71.10227.11703.50754.68442.18685.76317.21041.78301.78302.52482.52483.78443.78447.72627.7262
H86.67991.10234.67923.26695.15372.12987.21047.12027.12024.92634.92635.26125.26121.78251.7825
H91.10366.79542.80554.17502.18295.35991.78307.12021.78243.09722.53703.12822.57507.21437.4312
H101.10366.79542.80554.17502.18295.35991.78307.12021.78242.53703.09722.57503.12827.43127.2143
H112.17494.86982.16382.73771.10453.61522.52484.92633.09722.53701.77112.51783.07805.65635.3700
H122.17494.86982.16382.73771.10453.61522.52484.92632.53703.09721.77113.07802.51785.37005.6563
H132.76914.66931.10602.11502.17183.25123.78445.26123.12822.57502.51783.07801.77025.25904.9498
H142.76914.66931.10602.11502.17183.25123.78445.26122.57503.12823.07802.51781.77024.94985.2590
H157.01051.10234.68743.26445.57262.13007.72621.78257.21437.43125.65635.37005.25904.94981.7830
H167.01051.10234.68743.26445.57262.13007.72621.78257.43127.21435.37005.65634.94985.25901.7830

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 111.976 C1 C5 H11 110.266
C1 C5 H12 110.266 C2 C6 C4 179.726
C3 C4 C6 178.566 C3 C5 H11 108.789
C3 C5 H12 108.789 C4 C3 C5 112.752
C4 C3 H13 109.461 C4 C3 H14 109.461
C5 C1 H7 111.348 C5 C1 H9 110.953
C5 C1 H10 110.953 C5 C3 H13 109.320
C5 C3 H14 109.320 C6 C2 H8 110.964
C6 C2 H15 110.982 C6 C2 H16 110.982
H7 C1 H9 107.862 H7 C1 H10 107.862
H8 C2 H15 107.914 H8 C2 H16 107.914
H9 C1 H10 107.709 H11 C5 H12 106.589
H13 C3 H14 106.321 H15 C2 H16 107.950
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability