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All results from a given calculation for C6H10 (3-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 C2V 1A1
Energy calculated at MP2/CEP-31G
 hartrees
Energy at 0K-39.063472
Energy at 298.15K-39.072220
HF Energy-38.568445
Nuclear repulsion energy109.899604
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 3149 3042 113.84      
2 A 3137 3031 3.02      
3 A 3108 3003 20.55      
4 A 3049 2947 10.44      
5 A 3034 2932 17.21      
6 A 2174 2100 0.02      
7 A 1528 1477 1.64      
8 A 1523 1471 8.32      
9 A 1518 1466 1.15      
10 A 1450 1401 1.31      
11 A 1383 1336 0.04      
12 A 1303 1260 0.03      
13 A 1146 1108 1.34      
14 A 1105 1068 0.19      
15 A 993 960 0.11      
16 A 816 788 4.87      
17 A 668 645 0.07      
18 A 500 483 0.98      
19 A 293 283 4.29      
20 A 191 184 1.75      
21 A 118 114 4.18      
22 A 10 10 0.05      
23 B 3148 3042 34.92      
24 B 3136 3031 136.17      
25 B 3108 3003 6.92      
26 B 3049 2946 85.97      
27 B 3033 2931 83.71      
28 B 1528 1476 5.61      
29 B 1522 1471 4.98      
30 B 1518 1467 3.77      
31 B 1450 1401 4.02      
32 B 1382 1335 27.61      
33 B 1302 1258 0.30      
34 B 1174 1134 13.94      
35 B 1128 1090 0.99      
36 B 1093 1057 4.37      
37 B 926 895 0.20      
38 B 808 780 1.54      
39 B 466 451 6.63      
40 B 283 274 0.68      
41 B 130 125 1.22      
42 B 102 98 3.08      

Unscaled Zero Point Vibrational Energy (zpe) 31239.1 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 30186.4 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
0.37356 0.04062 0.03966

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.242 0.594 -0.298
C2 0.242 -0.594 -0.298
C3 -0.560 2.075 -0.284
C4 0.560 -2.075 -0.284
C5 0.560 2.905 0.450
C6 -0.560 -2.905 0.450
H7 -0.670 2.435 -1.330
H8 -1.536 2.234 0.225
H9 0.670 -2.435 -1.330
H10 1.536 -2.234 0.225
H11 0.308 3.988 0.442
H12 0.664 2.570 1.503
H13 1.539 2.763 -0.054
H14 -0.308 -3.988 0.442
H15 -0.664 -2.570 1.503
H16 -1.539 -2.763 -0.054

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C11.28251.51492.78662.55873.59212.15352.15353.32693.38103.51732.82312.81774.64153.66463.6070
C21.28252.78661.51493.59212.55873.32693.38102.15352.15354.64153.66463.60703.51732.82312.8177
C31.51492.78664.29811.57635.03371.11201.11194.78974.81852.22292.22202.22136.11124.97764.9413
C42.78661.51494.29815.03371.57634.78974.81851.11201.11196.11124.97764.94132.22292.22202.2213
C52.55873.59211.57635.03375.91762.21472.21325.62985.23571.11191.11001.11026.94775.70836.0658
C63.59212.55875.03371.57635.91765.62985.23572.21472.21326.94775.70836.06581.11191.11001.1102
H72.15353.32691.11204.78972.21475.62981.79135.05005.39242.55143.13462.57186.67245.75095.4222
H82.15353.38101.11194.81852.21325.23571.79135.39245.42232.55442.56693.13316.34575.04705.0049
H93.32692.15354.78971.11205.62982.21475.05005.39241.79136.67245.75095.42222.55143.13462.5718
H103.38102.15354.81851.11195.23572.21325.39245.42231.79136.34575.04705.00492.55442.56693.1331
H113.51734.64152.22296.11121.11196.94772.55142.55446.67246.34571.80661.80647.99976.71387.0169
H122.82313.66462.22204.97761.11005.70833.13462.56695.75095.04701.80661.79736.71385.30855.9768
H132.81773.60702.22134.94131.11026.06582.57183.13315.42225.00491.80641.79737.01695.97686.3259
H144.64153.51736.11122.22296.94771.11196.67246.34572.55142.55447.99976.71387.01691.80661.8064
H153.66462.82314.97762.22205.70831.11005.75095.04703.13462.56696.71385.30855.97681.80661.7973
H163.60702.81774.94132.22136.06581.11025.42225.00492.57183.13317.01695.97686.32591.80641.7973

picture of 3-Hexyne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 169.912 C1 C3 C5 111.720
C1 C3 H7 109.168 C1 C3 H8 109.175
C2 C1 C3 169.912 C2 C4 C6 111.720
C2 C4 H9 109.168 C2 C4 H10 109.175
C3 C5 H11 110.367 C3 C5 H12 110.415
C3 C5 H13 110.347 C4 C6 H14 110.367
C4 C6 H15 110.415 C4 C6 H16 110.347
C5 C3 H7 109.732 C5 C3 H8 109.625
C6 C4 H9 109.732 C6 C4 H10 109.625
H7 C3 H8 107.315 H9 C4 H10 107.315
H11 C5 H12 108.795 H11 C5 H13 108.763
H12 C5 H13 108.094 H14 C6 H15 108.795
H14 C6 H16 108.763 H15 C6 H15 0.000
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability