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

using model chemistry: LSDA/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 LSDA/6-31G*
 hartrees
Energy at 0K-233.260001
Energy at 298.15K-233.268802
Nuclear repulsion energy207.096175
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 LSDA/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 3077 3020 19.76      
2 A 3043 2986 5.62      
3 A 2994 2938 26.30      
4 A 2982 2926 14.75      
5 A 2971 2916 30.72      
6 A 2942 2887 23.68      
7 A 2343 2299 0.06      
8 A 1468 1441 8.37      
9 A 1452 1425 1.29      
10 A 1437 1410 9.09      
11 A 1429 1403 0.99      
12 A 1379 1353 0.03      
13 A 1376 1351 6.54      
14 A 1349 1324 3.92      
15 A 1268 1245 3.45      
16 A 1188 1166 5.94      
17 A 1101 1080 5.96      
18 A 1072 1052 0.27      
19 A 1014 995 3.88      
20 A 900 883 5.25      
21 A 780 766 0.47      
22 A 484 475 1.23      
23 A 333 327 0.34      
24 A 273 268 5.80      
25 A 99 97 1.46      
26 A 3062 3004 36.12      
27 A 3043 2986 5.72      
28 A 3033 2976 4.37      
29 A 2975 2919 8.17      
30 A 1459 1432 11.69      
31 A 1437 1410 8.50      
32 A 1278 1254 0.06      
33 A 1215 1193 0.23      
34 A 1084 1064 1.81      
35 A 1014 995 3.84      
36 A 846 830 0.75      
37 A 730 716 5.14      
38 A 369 362 0.00      
39 A 250 245 0.11      
40 A 222 218 8.38      
41 A 85 83 0.35      
42 A 18 18 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 30436.3 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 29867.1 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 LSDA/6-31G*
ABC
0.59792 0.04050 0.03904

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.254 -2.779 0.000
C2 -1.765 2.805 0.000
C3 0.931 -0.288 0.000
C4 0.000 0.817 0.000
C5 0.251 -1.651 0.000
C6 -0.812 1.724 0.000
H7 0.763 -3.766 0.000
H8 -2.806 2.432 0.000
H9 1.908 -2.731 0.890
H10 1.908 -2.731 -0.890
H11 -0.412 -1.718 -0.883
H12 -0.412 -1.718 0.883
H13 1.602 -0.223 -0.881
H14 1.602 -0.223 0.881
H15 -1.653 3.452 0.889
H16 -1.653 3.452 -0.889

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C16.34772.51183.80841.50964.95361.10286.60601.10531.10532.16312.16312.72572.72576.93266.9326
C26.34774.10282.65844.89061.44187.04071.10556.70306.70304.80334.80334.61384.61381.10551.1055
C32.51184.10281.44471.52352.66113.48234.62192.77762.77762.15132.15131.11011.11014.63144.6314
C43.80842.65841.44472.48101.21664.64653.23774.12574.12572.71642.71642.10402.10403.23473.2347
C51.50964.89061.52352.48103.53782.17645.10052.16922.16921.10571.10572.15492.15495.51845.5184
C64.95361.44182.66111.21663.53785.71122.11675.29445.29443.57593.57593.22403.22402.11782.1178
H71.10287.04073.48234.64652.17645.71127.15251.78181.78182.52052.52053.74633.74637.66337.6633
H86.60601.10554.62193.23775.10052.11677.15257.04797.04794.87234.87235.22145.22141.77801.7780
H91.10536.70302.77764.12572.16925.29441.78187.04791.77923.09022.53143.08522.52627.13477.3532
H101.10536.70302.77764.12572.16925.29441.78187.04791.77922.53143.09022.52623.08527.35327.1347
H112.16314.80332.15132.71641.10573.57592.52054.87233.09022.53141.76562.50873.06695.60465.3171
H122.16314.80332.15132.71641.10573.57592.52054.87232.53143.09021.76563.06692.50875.31715.6046
H132.72574.61381.11012.10402.15493.22403.74635.22143.08522.52622.50873.06691.76285.21884.9092
H142.72574.61381.11012.10402.15493.22403.74635.22142.52623.08523.06692.50871.76284.90925.2188
H156.93261.10554.63143.23475.51842.11787.66331.77807.13477.35325.60465.31715.21884.90921.7786
H166.93261.10554.63143.23475.51842.11787.66331.77807.35327.13475.31715.60464.90925.21881.7786

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 111.813 C1 C5 H11 110.653
C1 C5 H12 110.653 C2 C6 C4 179.575
C3 C4 C6 178.258 C3 C5 H11 108.784
C3 C5 H12 108.784 C4 C3 C5 113.383
C4 C3 H13 110.193 C4 C3 H14 110.193
C5 C1 H7 111.890 C5 C1 H9 111.165
C5 C1 H10 111.165 C5 C3 H13 108.806
C5 C3 H14 108.806 C6 C2 H8 111.715
C6 C2 H15 111.804 C6 C2 H16 111.804
H7 C1 H9 107.601 H7 C1 H10 107.601
H8 C2 H15 107.056 H8 C2 H16 107.056
H9 C1 H10 107.198 H11 C5 H12 105.957
H13 C3 H14 105.116 H15 C2 H16 107.108
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.529      
2 C -0.709      
3 C -0.488      
4 C 0.149      
5 C -0.312      
6 C 0.015      
7 H 0.178      
8 H 0.208      
9 H 0.172      
10 H 0.172      
11 H 0.176      
12 H 0.176      
13 H 0.188      
14 H 0.188      
15 H 0.208      
16 H 0.208      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.155 -0.056 0.000 0.164
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.551 -3.157 0.000
y -3.157 -34.340 0.000
z 0.000 0.000 -37.951
Traceless
 xyz
x 0.594 -3.157 0.000
y -3.157 2.411 0.000
z 0.000 0.000 -3.006
Polar
3z2-r2-6.012
x2-y2-1.211
xy-3.157
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.789 -3.465 0.000
y -3.465 12.281 0.000
z 0.000 0.000 7.018


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000