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All results from a given calculation for C6H10 (3-Hexyne)

using model chemistry: HF/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/CEP-31G
 hartrees
Energy at 0K-38.578875
Energy at 298.15K 
HF Energy-38.578875
Nuclear repulsion energy112.124784
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 HF/CEP-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 3309 2982 0.00 2.24 0.75 0.86
2 A 3292 2967 37.80 191.62 0.68 0.81
3 A 3278 2955 0.00 102.23 0.75 0.86
4 A 3236 2917 32.28 451.76 0.02 0.03
5 A 3208 2892 91.40 215.68 0.05 0.10
6 A 2506 2259 0.82 122.73 0.32 0.48
7 A 1640 1478 8.16 3.68 0.63 0.77
8 A 1633 1472 0.00 34.13 0.75 0.86
9 A 1632 1471 2.70 18.92 0.74 0.85
10 A 1560 1406 4.53 9.77 0.10 0.19
11 A 1488 1342 0.22 14.85 0.53 0.69
12 A 1402 1264 0.00 19.17 0.75 0.86
13 A 1203 1085 0.00 0.47 0.75 0.86
14 A 1199 1081 2.82 13.15 0.27 0.42
15 A 1069 964 0.15 20.46 0.15 0.26
16 A 859 774 0.00 0.78 0.75 0.86
17 A 728 656 0.57 6.95 0.16 0.27
18 A 455 410 11.52 3.98 0.16 0.28
19 A 424 382 0.00 30.86 0.75 0.86
20 A 248 224 0.00 1.96 0.75 0.86
21 A 94 85 2.98 0.43 0.62 0.77
22 A 8i 7i 0.00 0.69 0.75 0.86
23 B 3310 2983 228.42 16.85 0.75 0.86
24 B 3290 2966 171.62 3.09 0.75 0.86
25 B 3278 2955 7.88 166.97 0.75 0.86
26 B 3234 2916 70.85 46.00 0.75 0.86
27 B 3208 2891 46.95 0.22 0.75 0.86
28 B 1639 1477 2.21 0.02 0.75 0.86
29 B 1633 1472 14.60 8.03 0.75 0.86
30 B 1630 1470 4.02 41.85 0.75 0.86
31 B 1559 1406 0.18 0.04 0.75 0.86
32 B 1484 1338 37.68 5.38 0.75 0.86
33 B 1404 1266 0.01 14.08 0.75 0.86
34 B 1238 1116 17.85 1.71 0.75 0.86
35 B 1224 1103 3.05 0.12 0.75 0.86
36 B 1177 1061 0.53 3.09 0.75 0.86
37 B 989 892 0.20 16.71 0.75 0.86
38 B 863 778 3.89 0.34 0.75 0.86
39 B 630 568 2.01 22.94 0.75 0.86
40 B 296 267 6.51 0.00 0.75 0.86
41 B 233 210 0.08 12.51 0.75 0.86
42 B 168 151 8.51 0.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 33470.4 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 30170.3 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 HF/CEP-31G
ABC
0.30496 0.04577 0.04100

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-31G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.616 -0.586
C2 -0.000 -0.616 -0.586
C3 0.000 2.111 -0.558
C4 -0.000 -2.111 -0.558
C5 -0.000 2.668 0.886
C6 0.000 -2.668 0.886
H7 0.875 2.475 -1.093
H8 -0.875 2.475 -1.094
H9 -0.875 -2.475 -1.093
H10 0.875 -2.475 -1.094
H11 -0.000 3.759 0.870
H12 -0.881 2.332 1.431
H13 0.881 2.332 1.431
H14 0.000 -3.759 0.870
H15 0.881 -2.332 1.431
H16 -0.881 -2.332 1.431

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C11.23251.49532.72762.52603.59982.11642.11653.25283.25293.46352.79092.79104.61093.67933.6794
C21.23252.72761.49533.59982.52603.25283.25292.11642.11654.61093.67933.67943.46352.79092.7910
C31.49532.72764.22251.54804.99311.08871.08874.69994.70002.18012.18642.18646.04114.94704.9471
C42.72761.49534.22254.99311.54804.69994.70001.08871.08876.04114.94704.94712.18012.18642.1864
C52.52603.59981.54804.99315.33692.17322.17325.58065.58081.09031.08911.08916.42715.10665.1065
C63.59982.52604.99311.54805.33695.58065.58082.17322.17326.42715.10665.10651.09031.08911.0891
H72.11643.25281.08874.69992.17325.58061.75035.25114.95072.50363.07852.52836.59415.42955.7067
H82.11653.25291.08874.70002.17325.58081.75034.95075.25102.50352.52843.07856.59435.70685.4300
H93.25282.11644.69991.08875.58062.17325.25114.95071.75036.59415.42955.70672.50363.07852.5283
H103.25292.11654.70001.08875.58082.17324.95075.25101.75036.59435.70685.43002.50352.52843.0785
H113.46354.61092.18016.04111.09036.42712.50362.50356.59416.59431.76821.76827.51736.17966.1795
H122.79093.67932.18644.94701.08915.10663.07852.52845.42955.70681.76821.76246.17964.98604.6639
H132.79103.67942.18644.94711.08915.10652.52833.07855.70675.43001.76821.76246.17954.66394.9856
H144.61093.46356.04112.18016.42711.09036.59416.59432.50362.50357.51736.17966.17951.76821.7682
H153.67932.79094.94702.18645.10661.08915.42955.70683.07852.52846.17964.98604.66391.76821.7624
H163.67942.79104.94712.18645.10651.08915.70675.43002.52833.07856.17954.66394.98561.76821.7624

picture of 3-Hexyne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 178.908 C1 C3 C5 112.190
C1 C3 H7 108.966 C1 C3 H8 108.967
C2 C1 C3 178.908 C2 C4 C6 112.190
C2 C4 H9 108.966 C2 C4 H10 108.967
C3 C5 H11 110.238 C3 C5 H12 110.804
C3 C5 H13 110.805 C4 C6 H14 110.238
C4 C6 H15 110.804 C4 C6 H16 110.805
C5 C3 H7 109.787 C5 C3 H8 109.790
C6 C4 H9 109.787 C6 C4 H10 109.790
H7 C3 H8 106.998 H9 C4 H10 106.998
H11 C5 H12 108.448 H11 C5 H13 108.448
H12 C5 H13 108.014 H14 C6 H15 108.448
H14 C6 H16 108.448 H15 C6 H15 0.000
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -1.006      
2 C -1.006      
3 C 0.853      
4 C 0.853      
5 C -0.404      
6 C -0.404      
7 H 0.094      
8 H 0.094      
9 H 0.094      
10 H 0.094      
11 H 0.138      
12 H 0.116      
13 H 0.116      
14 H 0.138      
15 H 0.116      
16 H 0.116      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.265 0.265
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.813 0.000 0.000
y 0.000 -32.093 0.000
z 0.000 0.000 -39.997
Traceless
 xyz
x -2.768 0.000 0.000
y 0.000 7.312 0.000
z 0.000 0.000 -4.544
Polar
3z2-r2-9.088
x2-y2-6.720
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.237 0.000 0.000
y 0.000 12.295 0.000
z 0.000 0.000 7.156


<r2> (average value of r2) Å2
<r2> 225.449
(<r2>)1/2 15.015