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

using model chemistry: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-234.556506
Energy at 298.15K-234.565455
Nuclear repulsion energy206.595420
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 mPW1PW91/6-31G**
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 3154 3001 30.75      
2 A 3138 2985 10.70      
3 A 3081 2932 27.91      
4 A 3066 2917 25.53      
5 A 3062 2913 37.57      
6 A 3047 2899 21.16      
7 A 2396 2280 0.03      
8 A 1523 1449 5.09      
9 A 1508 1435 0.68      
10 A 1493 1421 6.79      
11 A 1488 1416 1.30      
12 A 1431 1362 1.71      
13 A 1426 1357 4.03      
14 A 1400 1332 2.81      
15 A 1313 1249 10.82      
16 A 1189 1131 0.52      
17 A 1125 1070 3.43      
18 A 1068 1016 0.73      
19 A 1055 1004 1.47      
20 A 911 867 3.62      
21 A 782 744 0.30      
22 A 492 468 1.25      
23 A 340 324 0.33      
24 A 280 266 5.79      
25 A 102 97 1.51      
26 A 3148 2995 55.83      
27 A 3137 2985 10.61      
28 A 3122 2971 3.85      
29 A 3083 2934 8.18      
30 A 1516 1442 7.59      
31 A 1493 1421 6.36      
32 A 1333 1268 0.02      
33 A 1266 1205 0.10      
34 A 1127 1072 0.51      
35 A 1055 1003 1.65      
36 A 878 835 0.58      
37 A 748 711 3.53      
38 A 385 366 0.00      
39 A 247 235 0.10      
40 A 223 212 8.18      
41 A 85 81 0.33      
42 A 22 21 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 31367.1 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 29845.8 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 mPW1PW91/6-31G**
ABC
0.60201 0.04000 0.03858

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.221 -2.821 0.000
C2 -1.729 2.852 0.000
C3 0.930 -0.299 0.000
C4 0.000 0.826 0.000
C5 0.230 -1.665 0.000
C6 -0.787 1.743 0.000
H7 0.705 -3.785 0.000
H8 -2.762 2.494 0.000
H9 1.867 -2.791 0.883
H10 1.867 -2.791 -0.883
H11 -0.423 -1.727 -0.876
H12 -0.423 -1.727 0.876
H13 1.587 -0.228 -0.876
H14 1.587 -0.228 0.876
H15 -1.597 3.484 0.883
H16 -1.597 3.484 -0.883

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C16.39472.53953.84611.52274.98641.09276.64221.09431.09432.16052.16052.76132.76136.96306.9630
C26.39474.12272.66384.92371.45537.06941.09406.74996.74994.84164.84164.61044.61041.09391.0939
C32.53954.12271.45901.53462.66743.49344.62932.80562.80562.15332.15331.09741.09744.63424.6342
C43.84612.66381.45902.50121.20854.66423.22704.16524.16522.73172.73172.09722.09723.22473.2247
C51.52274.92371.53462.50123.55632.17255.12372.17412.17411.09461.09462.16132.16135.53475.5347
C64.98641.45532.66741.20853.55635.72552.11335.32755.32753.59703.59703.20803.20802.11402.1140
H71.09277.06943.49344.66422.17255.72557.17261.76521.76522.50512.50513.76733.76737.67607.6760
H86.64221.09404.62933.22705.12372.11337.17267.08137.08134.90454.90455.20575.20571.76601.7660
H91.09436.74992.80564.16522.17415.32751.76527.08131.76533.07742.52543.12062.57817.16837.3826
H101.09436.74992.80564.16522.17415.32751.76527.08131.76532.52543.07742.57813.12067.38267.1683
H112.16054.84162.15332.73171.09463.59702.50514.90453.07742.52541.75182.50743.05865.62395.3418
H122.16054.84162.15332.73171.09463.59702.50514.90452.52543.07741.75183.05862.50745.34185.6239
H132.76134.61041.09742.09722.16133.20803.76735.20573.12062.57812.50743.05861.75135.19814.8915
H142.76134.61041.09742.09722.16133.20803.76735.20572.57813.12063.05862.50741.75134.89155.1981
H156.96301.09394.63423.22475.53472.11407.67601.76607.16837.38265.62395.34185.19814.89151.7664
H166.96301.09394.63423.22475.53472.11407.67601.76607.38267.16835.34185.62394.89155.19811.7664

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 112.326 C1 C5 H11 110.196
C1 C5 H12 110.196 C2 C6 C4 179.682
C3 C4 C6 178.939 C3 C5 H11 108.814
C3 C5 H12 108.814 C4 C3 C5 113.315
C4 C3 H13 109.427 C4 C3 H14 109.427
C5 C1 H7 111.273 C5 C1 H9 111.296
C5 C1 H10 111.296 C5 C3 H13 109.270
C5 C3 H14 109.270 C6 C2 H8 111.198
C6 C2 H15 111.255 C6 C2 H16 111.255
H7 C1 H9 107.632 H7 C1 H10 107.632
H8 C2 H15 107.637 H8 C2 H16 107.637
H9 C1 H10 107.521 H11 C5 H12 106.299
H13 C3 H14 105.860 H15 C2 H16 107.676
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.397      
2 C -0.483      
3 C -0.333      
4 C 0.058      
5 C -0.244      
6 C -0.073      
7 H 0.134      
8 H 0.164      
9 H 0.131      
10 H 0.131      
11 H 0.139      
12 H 0.139      
13 H 0.153      
14 H 0.153      
15 H 0.164      
16 H 0.164      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.124 -0.080 0.000 0.147
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.545 -3.111 0.000
y -3.111 -34.176 0.000
z 0.000 0.000 -37.858
Traceless
 xyz
x 0.472 -3.111 0.000
y -3.111 2.526 0.000
z 0.000 0.000 -2.998
Polar
3z2-r2-5.996
x2-y2-1.369
xy-3.111
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 292.814
(<r2>)1/2 17.112