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

using model chemistry: B3LYP/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-234.626770
Energy at 298.15K-234.635694
Nuclear repulsion energy206.308633
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/6-31G(2df,p)
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 3104 2996 33.66      
2 A 3084 2976 12.49      
3 A 3040 2934 30.67      
4 A 3029 2923 23.55      
5 A 3024 2918 40.55      
6 A 3005 2900 23.35      
7 A 2374 2290 0.03      
8 A 1509 1456 3.08      
9 A 1492 1440 0.33      
10 A 1480 1428 5.10      
11 A 1475 1423 1.46      
12 A 1415 1366 7.60      
13 A 1414 1365 0.21      
14 A 1382 1333 1.52      
15 A 1307 1261 17.94      
16 A 1168 1127 0.37      
17 A 1109 1071 1.71      
18 A 1054 1017 0.58      
19 A 1042 1005 1.01      
20 A 894 863 2.33      
21 A 767 741 0.20      
22 A 491 474 0.97      
23 A 338 326 0.37      
24 A 279 269 5.10      
25 A 101 98 1.39      
26 A 3098 2990 60.05      
27 A 3083 2975 12.51      
28 A 3071 2964 3.87      
29 A 3030 2924 8.84      
30 A 1500 1448 5.24      
31 A 1480 1428 4.79      
32 A 1321 1275 0.00      
33 A 1258 1214 0.05      
34 A 1122 1083 0.14      
35 A 1053 1016 0.70      
36 A 873 843 0.49      
37 A 743 717 2.29      
38 A 386 373 0.00      
39 A 245 237 0.04      
40 A 220 212 7.42      
41 A 83 80 0.27      
42 A 22 22 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 30983.6 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 29899.2 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 B3LYP/6-31G(2df,p)
ABC
0.59578 0.03995 0.03851

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.233 -2.824 0.000
C2 -1.745 2.842 0.000
C3 0.934 -0.288 0.000
C4 0.000 0.833 0.000
C5 0.236 -1.663 0.000
C6 -0.793 1.740 0.000
H7 0.717 -3.789 0.000
H8 -2.778 2.477 0.000
H9 1.880 -2.793 0.884
H10 1.880 -2.793 -0.884
H11 -0.418 -1.727 -0.877
H12 -0.418 -1.727 0.877
H13 1.594 -0.219 -0.876
H14 1.594 -0.219 0.876
H15 -1.621 3.478 0.884
H16 -1.621 3.478 -0.884

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C16.40052.55383.85931.52974.99291.09426.64701.09601.09602.16712.16712.77212.77216.97376.9737
C26.40054.11942.66064.92151.45647.07291.09596.75776.75774.83794.83794.61344.61341.09591.0959
C32.55384.11941.45901.54242.66313.50804.62832.81982.81982.16072.16071.09891.09894.63514.6351
C43.85932.66061.45902.50771.20434.67743.22784.17884.17882.73852.73852.10122.10123.22493.2249
C51.52974.92151.54242.50773.55512.17935.12112.18132.18131.09581.09582.16742.16745.53705.5370
C64.99291.45642.66311.20433.55515.73102.11765.33545.33543.59563.59563.20953.20952.11822.1182
H71.09427.07293.50804.67742.17935.73107.17441.76821.76822.51142.51143.77923.77927.68437.6843
H86.64701.09594.62833.22785.12112.11767.17447.08837.08834.90024.90025.21065.21061.76731.7673
H91.09606.75772.81984.17882.18135.33541.76827.08831.76783.08462.53283.13092.58977.18127.3956
H101.09606.75772.81984.17882.18135.33541.76827.08831.76782.53283.08462.58973.13097.39567.1812
H112.16714.83792.16072.73851.09583.59562.51144.90023.08462.53281.75352.51493.06525.62475.3421
H122.16714.83792.16072.73851.09583.59562.51144.90022.53283.08461.75353.06522.51495.34215.6247
H132.77214.61341.09892.10122.16743.20953.77925.21063.13092.58972.51493.06521.75115.20524.8988
H142.77214.61341.09892.10122.16743.20953.77925.21062.58973.13093.06522.51491.75114.89885.2052
H156.97371.09594.63513.22495.53702.11827.68431.76737.18127.39565.62475.34215.20524.89881.7675
H166.97371.09594.63513.22495.53702.11827.68431.76737.39567.18125.34215.62474.89885.20521.7675

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 112.464 C1 C5 H11 110.157
C1 C5 H12 110.157 C2 C6 C4 179.636
C3 C4 C6 178.618 C3 C5 H11 108.790
C3 C5 H12 108.790 C4 C3 C5 113.309
C4 C3 H13 109.663 C4 C3 H14 109.663
C5 C1 H7 111.227 C5 C1 H9 111.283
C5 C1 H10 111.283 C5 C3 H13 109.134
C5 C3 H14 109.134 C6 C2 H8 111.356
C6 C2 H15 111.404 C6 C2 H16 111.404
H7 C1 H9 107.672 H7 C1 H10 107.672
H8 C2 H15 107.481 H8 C2 H16 107.481
H9 C1 H10 107.517 H11 C5 H12 106.277
H13 C3 H14 105.652 H15 C2 H16 107.502
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.381      
2 C -0.496      
3 C -0.331      
4 C 0.030      
5 C -0.152      
6 C 0.098      
7 H 0.113      
8 H 0.145      
9 H 0.115      
10 H 0.115      
11 H 0.107      
12 H 0.107      
13 H 0.121      
14 H 0.121      
15 H 0.144      
16 H 0.144      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.126 -0.085 0.000 0.152
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.933 -2.789 0.000
y -2.789 -34.850 0.000
z 0.000 0.000 -37.940
Traceless
 xyz
x 0.462 -2.789 0.000
y -2.789 2.087 0.000
z 0.000 0.000 -2.548
Polar
3z2-r2-5.097
x2-y2-1.083
xy-2.789
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.669 -3.145 0.000
y -3.145 12.278 0.000
z 0.000 0.000 7.204


<r2> (average value of r2) Å2
<r2> 293.602
(<r2>)1/2 17.135