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

using model chemistry: B3LYP/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B3LYP/3-21G*
 hartrees
Energy at 0K-233.333214
Energy at 298.15K-233.343145
Nuclear repulsion energy205.590665
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 B3LYP/3-21G*
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 3114 2996 32.73      
2 A 3092 2975 12.46      
3 A 3066 2950 20.28      
4 A 3045 2930 24.44      
5 A 3038 2923 27.12      
6 A 3030 2915 16.05      
7 A 2382 2292 0.04      
8 A 1570 1511 6.50      
9 A 1555 1496 1.53      
10 A 1552 1493 8.22      
11 A 1536 1478 1.52      
12 A 1471 1415 0.62      
13 A 1464 1408 5.24      
14 A 1394 1341 1.46      
15 A 1344 1293 6.13      
16 A 1152 1108 4.93      
17 A 1126 1083 4.68      
18 A 1102 1060 2.78      
19 A 1019 980 1.15      
20 A 894 860 3.84      
21 A 761 732 0.22      
22 A 516 496 0.94      
23 A 347 333 0.76      
24 A 286 275 6.11      
25 A 102 98 2.04      
26 A 3120 3002 55.63      
27 A 3092 2975 12.35      
28 A 3091 2974 0.21      
29 A 3057 2941 7.07      
30 A 1568 1509 8.77      
31 A 1552 1493 7.42      
32 A 1365 1313 0.12      
33 A 1306 1256 0.09      
34 A 1162 1118 1.07      
35 A 1101 1060 3.54      
36 A 906 871 0.67      
37 A 762 733 4.91      
38 A 424 408 0.01      
39 A 245 236 0.01      
40 A 219 211 9.39      
41 A 83 80 0.44      

Unscaled Zero Point Vibrational Energy (zpe) 31506.5 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 30309.3 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 B3LYP/3-21G*
ABC
0.58351 0.03979 0.03832

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.247 -2.829 0.000
C2 -1.765 2.842 0.000
C3 0.948 -0.284 0.000
C4 0.000 0.836 0.000
C5 0.234 -1.666 0.000
C6 -0.800 1.741 0.000
H7 0.731 -3.795 0.000
H8 -2.794 2.462 0.000
H9 1.889 -2.784 0.888
H10 1.889 -2.784 -0.888
H11 -0.411 -1.727 -0.883
H12 -0.411 -1.727 0.883
H13 1.598 -0.219 -0.884
H14 1.598 -0.219 0.884
H15 -1.640 3.475 0.887
H16 -1.640 3.475 -0.887

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C16.42132.56243.87081.54235.00741.09536.65761.09651.09652.17792.17792.77762.77766.99006.9900
C26.42134.13932.67254.93131.46437.09071.09716.76726.76724.84704.84704.63314.63311.09711.0971
C32.56244.13931.46701.55522.67513.51764.64162.81502.81502.17042.17041.09931.09934.64904.6490
C43.87082.67251.46702.51221.20824.68773.23304.17834.17832.74172.74172.10912.10913.23153.2315
C51.54234.93131.55522.51223.56022.18635.11942.18572.18571.09571.09572.17582.17585.54315.5431
C65.00741.46432.67511.20823.56025.74362.12065.33815.33813.60013.60013.22103.22102.12112.1211
H71.09537.09073.51764.68772.18635.74367.18131.77521.77522.52172.52173.78403.78407.69797.6979
H86.65761.09714.64163.23305.11942.12067.18137.08807.08804.89984.89985.22145.22141.77411.7741
H91.09656.76722.81504.17832.18575.33811.77527.08801.77593.08942.53113.13102.58137.18527.4013
H101.09656.76722.81504.17832.18575.33811.77527.08801.77592.53113.08942.58133.13107.40137.1852
H112.17794.84702.17042.74171.09573.60012.52174.89983.08942.53111.76692.51213.07165.63115.3455
H122.17794.84702.17042.74171.09573.60012.52174.89982.53113.08941.76693.07162.51215.34555.6311
H132.77764.63311.09932.10912.17583.22103.78405.22143.13102.58132.51213.07161.76835.22194.9123
H142.77764.63311.09932.10912.17583.22103.78405.22142.58133.13103.07162.51211.76834.91235.2219
H156.99001.09714.64903.23155.54312.12117.69791.77417.18527.40135.63115.34555.22194.91231.7743
H166.99001.09714.64903.23155.54312.12117.69791.77417.40137.18525.34555.63114.91235.22191.7743

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 111.631 C1 C5 H11 110.141
C1 C5 H12 110.141 C2 C6 C4 179.787
C3 C4 C6 178.808 C3 C5 H11 108.674
C3 C5 H12 108.674 C4 C3 C5 112.417
C4 C3 H13 109.708 C4 C3 H14 109.708
C5 C1 H7 110.826 C5 C1 H9 110.708
C5 C1 H10 110.708 C5 C3 H13 108.888
C5 C3 H14 108.888 C6 C2 H8 110.957
C6 C2 H15 110.999 C6 C2 H16 110.999
H7 C1 H9 108.177 H7 C1 H10 108.177
H8 C2 H15 107.910 H8 C2 H16 107.910
H9 C1 H10 108.145 H11 C5 H12 107.468
H13 C3 H14 107.081 H15 C2 H16 107.927
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.558      
2 C -0.641      
3 C -0.489      
4 C 0.009      
5 C -0.360      
6 C -0.037      
7 H 0.190      
8 H 0.224      
9 H 0.187      
10 H 0.187      
11 H 0.200      
12 H 0.200      
13 H 0.219      
14 H 0.219      
15 H 0.224      
16 H 0.224      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.021 0.173 -0.001 0.174
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.965 -3.385 0.000
y -3.385 -34.672 0.000
z 0.000 0.000 -38.598
Traceless
 xyz
x 0.670 -3.385 0.000
y -3.385 2.609 0.000
z 0.000 0.000 -3.279
Polar
3z2-r2-6.559
x2-y2-1.293
xy-3.385
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.716 -3.069 0.000
y -3.069 11.038 0.000
z 0.000 0.000 6.325


<r2> (average value of r2) Å2
<r2> 295.071
(<r2>)1/2 17.178