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

using model chemistry: MP2/CEP-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 MP2/CEP-31G
 hartrees
Energy at 0K-39.063759
Energy at 298.15K-39.072236
HF Energy-38.568298
Nuclear repulsion energy110.002391
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/CEP-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 3135 3030 32.75      
2 A 3126 3021 65.11      
3 A 3052 2949 47.99      
4 A 3037 2934 40.19      
5 A 3035 2933 52.12      
6 A 3021 2920 48.61      
7 A 2183 2109 0.02      
8 A 1533 1481 8.00      
9 A 1520 1469 0.37      
10 A 1516 1465 6.63      
11 A 1516 1465 3.51      
12 A 1463 1414 1.20      
13 A 1451 1402 4.73      
14 A 1417 1369 1.62      
15 A 1338 1293 5.87      
16 A 1156 1117 6.49      
17 A 1133 1095 4.03      
18 A 1089 1053 0.77      
19 A 1053 1018 1.29      
20 A 897 867 4.03      
21 A 736 711 0.16      
22 A 508 491 1.93      
23 A 320 310 0.07      
24 A 257 248 8.37      
25 A 90 87 2.36      
26 A 3136 3030 41.02      
27 A 3134 3028 133.32      
28 A 3111 3007 1.35      
29 A 3093 2989 9.25      
30 A 1529 1477 8.19      
31 A 1515 1464 8.23      
32 A 1340 1295 0.00      
33 A 1282 1239 0.00      
34 A 1146 1108 0.48      
35 A 1076 1040 0.84      
36 A 899 869 0.34      
37 A 760 734 3.95      
38 A 218 211 1.51      
39 A 202 195 8.91      
40 A 161 155 1.08      
41 A 54 52 0.48      
42 A 26 25 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 31133.1 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 30083.9 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 MP2/CEP-31G
ABC
0.51753 0.03835 0.03672

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.542 -2.738 0.000
C2 -2.167 2.658 0.000
C3 1.062 -0.179 0.000
C4 0.000 0.899 0.000
C5 0.434 -1.626 0.000
C6 -1.051 1.632 0.000
H7 1.087 -3.751 0.000
H8 -3.158 2.156 0.000
H9 2.189 -2.649 0.900
H10 2.189 -2.649 -0.900
H11 -0.218 -1.731 -0.896
H12 -0.218 -1.731 0.896
H13 1.712 -0.061 -0.897
H14 1.712 -0.061 0.897
H15 -2.104 3.304 0.900
H16 -2.104 3.304 -0.900

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C16.54732.60293.94971.56955.08121.11116.78431.11241.11242.21582.21582.82782.82787.11387.1138
C26.54734.29862.79135.01141.51567.18771.11026.92416.92414.88544.88544.82124.82121.11001.1100
C32.60294.29861.51341.57672.78363.57204.82262.85962.85962.20192.20191.11361.11364.79284.7928
C43.94972.79131.51342.56141.28194.77533.39854.26444.26442.78692.78692.15772.15773.32033.3203
C51.56955.01141.57672.56143.58042.22365.21512.22182.22181.11271.11272.21002.21005.61745.6174
C65.08121.51562.78361.28193.58045.79242.17025.44375.44373.57913.57913.36263.36262.17132.1713
H71.11117.18773.57204.77532.22365.79247.27351.80041.80042.56582.56583.84873.84877.79557.7955
H86.78431.11024.82263.39855.21512.17027.27357.24397.24394.95514.95515.42495.42491.79961.7996
H91.11246.92412.85964.26442.22185.44371.80047.24391.80063.13972.57543.18612.63107.33937.5569
H101.11246.92412.85964.26442.22185.44371.80047.24391.80062.57543.13972.63103.18617.55697.3393
H112.21584.88542.20192.78691.11273.57912.56584.95513.13972.57541.79112.55203.11845.66925.3772
H122.21584.88542.20192.78691.11273.57912.56584.95512.57543.13971.79113.11842.55205.37725.6692
H132.82784.82121.11362.15772.21003.36263.84875.42493.18612.63102.55203.11841.79325.39605.0880
H142.82784.82121.11362.15772.21003.36263.84875.42492.63103.18613.11842.55201.79325.08805.3960
H157.11381.11004.79283.32035.61742.17137.79551.79967.33937.55695.66925.37725.39605.08801.8006
H167.11381.11004.79283.32035.61742.17137.79551.79967.55697.33935.37725.66925.08805.39601.8006

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 111.647 C1 C5 H11 110.244
C1 C5 H12 110.244 C2 C6 C4 172.308
C3 C4 C6 169.466 C3 C5 H11 108.692
C3 C5 H12 108.692 C4 C3 C5 111.958
C4 C3 H13 109.505 C4 C3 H14 109.505
C5 C1 H7 110.943 C5 C1 H9 110.721
C5 C1 H10 110.721 C5 C3 H13 109.255
C5 C3 H14 109.255 C6 C2 H8 110.525
C6 C2 H15 110.624 C6 C2 H16 110.624
H7 C1 H9 108.143 H7 C1 H10 108.143
H8 C2 H15 108.293 H8 C2 H16 108.293
H9 C1 H10 108.061 H11 C5 H12 107.197
H13 C3 H14 107.247 H15 C2 H16 108.399
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability