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

using model chemistry: MP2/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at MP2/6-31G
 hartrees
Energy at 0K-233.431694
Energy at 298.15K-233.440317
HF Energy-232.882913
Nuclear repulsion energy204.102997
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 MP2/6-31G
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 3140 3004 37.09      
2 A 3128 2992 18.26      
3 A 3064 2931 29.28      
4 A 3054 2922 26.27      
5 A 3052 2921 35.01      
6 A 3032 2901 24.87      
7 A 2252 2155 0.03      
8 A 1582 1513 5.01      
9 A 1569 1501 1.03      
10 A 1562 1494 5.07      
11 A 1561 1493 2.14      
12 A 1493 1428 1.36      
13 A 1484 1420 3.13      
14 A 1429 1367 1.20      
15 A 1363 1304 6.52      
16 A 1178 1127 5.24      
17 A 1150 1100 3.27      
18 A 1095 1048 1.21      
19 A 1066 1020 1.06      
20 A 916 877 3.22      
21 A 755 723 0.32      
22 A 505 483 1.72      
23 A 330 315 0.04      
24 A 261 249 5.52      
25 A 95 91 1.79      
26 A 3138 3002 65.21      
27 A 3131 2996 17.86      
28 A 3109 2974 10.47      
29 A 3067 2934 11.25      
30 A 1573 1505 6.91      
31 A 1561 1494 5.81      
32 A 1364 1305 0.01      
33 A 1314 1258 0.17      
34 A 1167 1116 0.51      
35 A 1108 1060 0.88      
36 A 916 876 0.47      
37 A 769 735 2.49      
38 A 238 228 0.21      
39 A 217 207 5.07      
40 A 148 141 3.06      
41 A 74 71 0.16      
42 A 27 26 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 31515.6 cm-1
Scaled (by 0.9568) Zero Point Vibrational Energy (zpe) 30154.2 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 MP2/6-31G
ABC
0.56268 0.03934 0.03782

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.393 -2.774 0.000
C2 -1.949 2.753 0.000
C3 0.994 -0.234 0.000
C4 0.000 0.867 0.000
C5 0.339 -1.644 0.000
C6 -0.944 1.665 0.000
H7 0.910 -3.761 0.000
H8 -2.971 2.348 0.000
H9 2.036 -2.709 0.890
H10 2.036 -2.709 -0.890
H11 -0.311 -1.733 -0.884
H12 -0.311 -1.733 0.884
H13 1.650 -0.147 -0.883
H14 1.650 -0.147 0.883
H15 -1.842 3.392 0.888
H16 -1.842 3.392 -0.888

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C16.45862.57123.89771.54475.01641.09896.72781.10001.10002.18312.18312.78292.78297.01907.0190
C26.45864.19312.71244.95691.48117.11451.09956.81936.81934.85714.85714.70574.70571.09931.0993
C32.57124.19311.48281.55512.71323.52864.73082.82912.82912.17542.17541.10351.10354.68784.6878
C43.89772.71241.48282.53361.23644.71673.31924.20964.20962.76352.76352.12842.12843.24933.2493
C51.54474.95691.55512.53363.54932.19305.18522.19192.19191.10081.10082.17682.17685.55945.5594
C65.01641.48112.71321.23643.54935.73462.13845.36685.36683.56803.56803.28533.28532.13932.1393
H71.09897.11453.52864.71672.19305.73467.23741.77931.77932.52722.52723.79313.79317.71587.7158
H86.72781.09954.73083.31925.18522.13847.23747.17087.17084.95034.95035.32475.32471.77611.7761
H91.10006.81932.82914.20962.19195.36681.77937.17081.78043.09932.54133.13932.59047.22877.4442
H101.10006.81932.82914.20962.19195.36681.77937.17081.78042.54133.09932.59043.13937.44427.2287
H112.18314.85712.17542.76351.10083.56802.52724.95033.09932.54131.76792.52173.07925.63475.3487
H122.18314.85712.17542.76351.10083.56802.52724.95032.54133.09931.76793.07922.52175.34875.6347
H132.78294.70571.10352.12842.17683.28533.79315.32473.13932.59042.52173.07921.76655.27794.9717
H142.78294.70571.10352.12842.17683.28533.79315.32472.59043.13933.07922.52171.76654.97175.2779
H157.01901.09934.68783.24935.55942.13937.71581.77617.22877.44425.63475.34875.27794.97171.7768
H167.01901.09934.68783.24935.55942.13937.71581.77617.44427.22875.34875.63474.97175.27791.7768

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 112.090 C1 C5 H11 110.095
C1 C5 H12 110.095 C2 C6 C4 172.946
C3 C4 C6 172.314 C3 C5 H11 108.782
C3 C5 H12 108.782 C4 C3 C5 113.002
C4 C3 H13 109.898 C4 C3 H14 109.898
C5 C1 H7 110.980 C5 C1 H9 110.826
C5 C1 H10 110.826 C5 C3 H13 108.737
C5 C3 H14 108.737 C6 C2 H8 111.057
C6 C2 H15 111.144 C6 C2 H16 111.144
H7 C1 H9 108.024 H7 C1 H10 108.024
H8 C2 H15 107.755 H8 C2 H16 107.755
H9 C1 H10 108.041 H11 C5 H12 106.842
H13 C3 H14 106.340 H15 C2 H16 107.827
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability