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

using model chemistry: B3LYP/SDD

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/SDD
 hartrees
Energy at 0K-234.569559
Energy at 298.15K-234.579341
Nuclear repulsion energy204.462678
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/SDD
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 3126 3005 56.21      
2 A 3118 2997 21.61      
3 A 3055 2937 36.17      
4 A 3035 2918 37.38      
5 A 3032 2915 63.62      
6 A 3027 2910 14.87      
7 A 2344 2253 0.05      
8 A 1530 1471 14.33      
9 A 1519 1460 2.43      
10 A 1511 1452 13.12      
11 A 1509 1451 0.37      
12 A 1450 1394 0.53      
13 A 1439 1383 10.94      
14 A 1387 1334 2.26      
15 A 1323 1272 2.63      
16 A 1177 1131 1.54      
17 A 1124 1081 7.52      
18 A 1072 1031 1.62      
19 A 1059 1018 1.10      
20 A 902 868 6.24      
21 A 764 734 0.39      
22 A 486 467 1.39      
23 A 338 325 0.97      
24 A 280 269 9.26      
25 A 99 95 2.66      
26 A 3128 3007 106.81      
27 A 3118 2998 21.30      
28 A 3099 2979 1.16      
29 A 3067 2949 9.19      
30 A 1523 1464 12.04      
31 A 1510 1451 12.10      
32 A 1322 1271 0.02      
33 A 1264 1215 0.01      
34 A 1135 1091 0.77      
35 A 1071 1029 2.30      
36 A 888 853 0.80      
37 A 757 728 7.25      
38 A 389 374 0.08      
39 A 232 223 0.80      
40 A 212 204 13.07      
41 A 78 75 0.46      

Unscaled Zero Point Vibrational Energy (zpe) 31248.7 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 30039.3 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/SDD
ABC
0.59758 0.03900 0.03764

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.218 -2.864 0.000
C2 -1.719 2.910 0.000
C3 0.932 -0.314 0.000
C4 0.000 0.831 0.000
C5 0.216 -1.692 0.000
C6 -0.783 1.773 0.000
H7 0.698 -3.830 0.000
H8 -2.761 2.563 0.000
H9 1.866 -2.832 0.887
H10 1.866 -2.832 -0.887
H11 -0.437 -1.755 -0.881
H12 -0.437 -1.755 0.881
H13 1.589 -0.251 -0.881
H14 1.589 -0.251 0.881
H15 -1.576 3.541 0.887
H16 -1.576 3.541 -0.887

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C16.47812.56593.89071.54205.04991.09766.72971.09891.09892.17892.17892.78202.78207.04367.0436
C26.47814.17402.69774.99241.47327.16061.09796.82666.82664.91714.91714.65964.65961.09781.0978
C32.56594.17401.47641.55332.70083.52424.68152.82792.82792.17412.17411.10071.10074.68344.6834
C43.89072.69771.47642.53261.22454.71343.25944.20514.20512.76652.76652.11462.11463.25763.2576
C51.54204.99241.55332.53263.60602.19185.19332.19262.19261.09851.09852.17672.17675.60195.6019
C65.04991.47322.70081.22453.60605.79542.13045.38515.38513.65213.65213.23983.23982.13112.1311
H71.09767.16063.52424.71342.19185.79547.26931.77451.77452.52462.52463.79223.79227.76467.7646
H86.72971.09794.68153.25945.19332.13047.26937.16217.16214.98204.98205.25535.25531.77381.7738
H91.09896.82662.82794.20512.19265.38511.77457.16211.77483.09692.54223.14032.59517.24227.4563
H101.09896.82662.82794.20512.19265.38511.77457.16211.77482.54223.09692.59513.14037.45637.2422
H112.17894.91712.17412.76651.09853.65212.52464.98203.09692.54221.76232.52293.07745.69765.4163
H122.17894.91712.17412.76651.09853.65212.52464.98202.54223.09691.76233.07742.52295.41635.6976
H132.78204.65961.10072.11462.17673.23983.79225.25533.14032.59512.52293.07741.76195.24594.9390
H142.78204.65961.10072.11462.17673.23983.79225.25532.59513.14033.07742.52291.76194.93905.2459
H157.04361.09784.68343.25765.60192.13117.76461.77387.24227.45635.69765.41635.24594.93901.7739
H167.04361.09784.68343.25765.60192.13117.76461.77387.45637.24225.41635.69764.93905.24591.7739

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 111.990 C1 C5 H11 110.081
C1 C5 H12 110.081 C2 C6 C4 179.733
C3 C4 C6 179.399 C3 C5 H11 108.930
C3 C5 H12 108.930 C4 C3 C5 113.403
C4 C3 H13 109.417 C4 C3 H14 109.417
C5 C1 H7 111.150 C5 C1 H9 111.137
C5 C1 H10 111.137 C5 C3 H13 109.014
C5 C3 H14 109.014 C6 C2 H8 111.067
C6 C2 H15 111.133 C6 C2 H16 111.133
H7 C1 H9 107.773 H7 C1 H10 107.773
H8 C2 H15 107.777 H8 C2 H16 107.777
H9 C1 H10 107.705 H11 C5 H12 106.674
H13 C3 H14 106.333 H15 C2 H16 107.794
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.638      
2 C -0.687      
3 C -0.397      
4 C 0.002      
5 C -0.302      
6 C -0.053      
7 H 0.206      
8 H 0.231      
9 H 0.193      
10 H 0.193      
11 H 0.191      
12 H 0.191      
13 H 0.203      
14 H 0.203      
15 H 0.232      
16 H 0.232      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.110 -0.090 0.000 0.142
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.754 -3.376 0.000
y -3.376 -34.204 0.000
z 0.000 0.000 -38.152
Traceless
 xyz
x 0.424 -3.376 0.000
y -3.376 2.749 0.000
z 0.000 0.000 -3.173
Polar
3z2-r2-6.346
x2-y2-1.550
xy-3.376
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.053 -2.923 0.000
y -2.923 11.671 0.000
z 0.000 0.000 6.770


<r2> (average value of r2) Å2
<r2> 299.460
(<r2>)1/2 17.305