return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: BLYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at BLYP/STO-3G
 hartrees
Energy at 0K-231.604974
Energy at 298.15K-231.613346
Nuclear repulsion energy201.969214
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 BLYP/STO-3G
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 3374 3122 5.99      
2 A 3372 3120 3.15      
3 A 3345 3095 1.67      
4 A 3329 3080 0.29      
5 A 3328 3079 0.29      
6 A 3292 3046 0.78      
7 A 3244 3002 5.04      
8 A 3210 2970 3.34      
9 A 3200 2961 3.85      
10 A 3183 2945 4.86      
11 A 2461 2277 0.06      
12 A 1651 1528 2.29      
13 A 1643 1520 3.64      
14 A 1626 1505 0.22      
15 A 1616 1496 4.70      
16 A 1616 1495 4.65      
17 A 1602 1482 1.83      
18 A 1529 1415 0.20      
19 A 1520 1406 8.68      
20 A 1462 1353 2.44      
21 A 1382 1278 0.03      
22 A 1371 1269 27.61      
23 A 1325 1226 0.03      
24 A 1181 1092 7.91      
25 A 1180 1092 1.16      
26 A 1155 1069 2.48      
27 A 1109 1026 2.50      
28 A 1109 1026 2.74      
29 A 1073 993 0.63      
30 A 930 860 2.52      
31 A 923 854 0.22      
32 A 774 716 6.11      
33 A 769 712 0.15      
34 A 472 437 0.62      
35 A 367 340 0.00      
36 A 331 306 0.18      
37 A 271 250 2.27      
38 A 213 197 1.80      
39 A 210 194 2.20      
40 A 98 91 0.92      
41 A 74 69 0.14      
42 A 22 21 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 32971.4 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 30505.2 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 BLYP/STO-3G
ABC
0.56948 0.03822 0.03683

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -3.148 0.166 0.000
C2 3.401 0.292 0.000
C3 -0.694 -0.729 -0.000
C4 0.767 -0.377 0.000
C5 -1.628 0.552 -0.000
C6 1.948 -0.074 0.000
H7 -3.777 1.079 0.000
H8 3.534 1.393 -0.088
H9 -3.402 -0.431 0.899
H10 -3.402 -0.431 -0.899
H11 -1.397 1.167 -0.897
H12 -1.397 1.167 0.897
H13 -0.929 -1.350 -0.897
H14 -0.929 -1.350 0.897
H15 3.895 -0.039 0.941
H16 3.932 -0.186 -0.853

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C16.55032.61253.95301.56845.10191.10886.79421.10871.10872.20772.20772.83352.83357.10887.1401
C26.55034.21992.71725.03571.49817.22091.11306.89946.89954.95844.95844.71684.71681.11301.1130
C32.61254.21991.50291.58562.72183.57434.73112.86842.86842.21192.21191.11611.11614.73484.7350
C43.95302.71721.50292.56921.21904.77193.28554.26494.26492.80542.80542.15152.15153.28363.2833
C51.56845.03571.58562.56923.63052.21265.23062.21822.21821.11161.11162.21632.21635.63395.6734
C65.10191.49812.72181.21903.63055.84002.16215.43625.43633.67843.67843.27273.27272.16272.1626
H71.10887.22093.57434.77192.21265.84007.31781.79781.79782.54522.54513.84943.84947.81017.8586
H86.79421.11304.73113.28555.23062.16217.31787.23877.21695.00135.03265.30075.33031.80011.8000
H91.10876.89942.86844.26492.21825.43621.79787.23871.79773.13032.56413.19092.63767.30727.5438
H101.10876.89952.86844.26492.21825.43631.79787.21691.79772.56413.13032.63763.19097.53517.3377
H112.20774.95842.21192.80541.11163.67842.54525.00133.13032.56411.79342.56023.12605.73005.4979
H122.20774.95842.21192.80541.11163.67842.54515.03262.56413.13031.79343.12602.56025.42765.7695
H132.83354.71681.11612.15152.21633.27273.84945.30073.19092.63762.56023.12601.79395.32614.9986
H142.83354.71681.11612.15152.21633.27273.84945.33032.63763.19093.12602.56021.79394.99935.2960
H157.10881.11304.73483.28365.63392.16277.81011.80017.30727.53515.73005.42765.32614.99931.8002
H167.14011.11304.73503.28335.67342.16267.85861.80007.54387.33775.49795.76954.99865.29601.8002

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 111.857 C1 C5 H11 109.753
C1 C5 H12 109.753 C2 C6 C4 179.736
C3 C4 C6 179.149 C3 C5 H11 108.916
C3 C5 H12 108.916 C4 C3 C5 112.560
C4 C3 H13 109.588 C4 C3 H14 109.587
C5 C1 H7 110.298 C5 C1 H9 110.735
C5 C1 H10 110.735 C5 C3 H13 108.998
C5 C3 H14 108.997 C6 C2 H8 110.936
C6 C2 H15 110.981 C6 C2 H16 110.975
H7 C1 H9 108.331 H7 C1 H10 108.331
H8 C2 H15 107.934 H8 C2 H16 107.931
H9 C1 H10 108.329 H11 C5 H12 107.542
H13 C3 H14 106.950 H15 C2 H16 107.949
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.212      
2 C -0.220      
3 C -0.134      
4 C -0.066      
5 C -0.118      
6 C -0.064      
7 H 0.073      
8 H 0.093      
9 H 0.071      
10 H 0.071      
11 H 0.074      
12 H 0.074      
13 H 0.086      
14 H 0.086      
15 H 0.093      
16 H 0.093      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.124 0.115 -0.000 0.169
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.705 1.179 -0.001
y 1.179 -35.464 0.000
z -0.001 0.000 -35.596
Traceless
 xyz
x 4.825 1.179 -0.001
y 1.179 -2.314 0.000
z -0.001 0.000 -2.511
Polar
3z2-r2-5.022
x2-y24.759
xy1.179
xz-0.001
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.572 0.740 -0.001
y 0.740 3.770 0.000
z -0.001 0.000 3.493


<r2> (average value of r2) Å2
<r2> 304.211
(<r2>)1/2 17.442