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

using model chemistry: B1B95/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B1B95/6-31G
 hartrees
Energy at 0K-234.416153
Energy at 298.15K-234.425187
Nuclear repulsion energy206.183818
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 B1B95/6-31G
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 3148 3002 36.52      
2 A 3128 2983 14.94      
3 A 3072 2930 29.36      
4 A 3056 2915 30.95      
5 A 3051 2910 40.10      
6 A 3035 2894 25.59      
7 A 2393 2282 0.03      
8 A 1549 1477 8.62      
9 A 1537 1466 1.74      
10 A 1525 1455 9.63      
11 A 1521 1451 0.81      
12 A 1464 1396 0.47      
13 A 1456 1388 5.77      
14 A 1403 1338 1.97      
15 A 1340 1278 6.06      
16 A 1205 1150 0.50      
17 A 1138 1086 6.21      
18 A 1089 1038 2.48      
19 A 1077 1027 0.75      
20 A 919 876 4.55      
21 A 784 748 0.41      
22 A 507 483 1.22      
23 A 346 330 0.85      
24 A 284 271 6.28      
25 A 103 98 1.85      
26 A 3143 2998 66.28      
27 A 3127 2982 14.88      
28 A 3114 2970 4.80      
29 A 3071 2928 10.06      
30 A 1542 1470 10.09      
31 A 1525 1454 8.93      
32 A 1343 1281 0.06      
33 A 1285 1226 0.12      
34 A 1153 1100 0.98      
35 A 1088 1038 2.82      
36 A 902 860 0.66      
37 A 766 731 4.54      
38 A 412 392 0.01      
39 A 237 226 0.20      
40 A 221 211 9.33      
41 A 81 78 0.36      
42 A 28 27 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 31583.3 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 30121.0 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 B1B95/6-31G
ABC
0.59897 0.03984 0.03842

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.235 -2.821 0.000
C2 -1.744 2.850 0.000
C3 0.932 -0.296 0.000
C4 0.000 0.828 0.000
C5 0.234 -1.669 0.000
C6 -0.795 1.745 0.000
H7 0.726 -3.789 0.000
H8 -2.777 2.490 0.000
H9 1.881 -2.783 0.884
H10 1.881 -2.783 -0.884
H11 -0.418 -1.734 -0.878
H12 -0.418 -1.734 0.878
H13 1.591 -0.233 -0.877
H14 1.591 -0.233 0.877
H15 -1.618 3.486 0.883
H16 -1.618 3.486 -0.883

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C16.40652.54343.85301.52674.99771.09356.65631.09531.09532.16492.16492.75572.75576.97886.9788
C26.40654.13062.67014.93301.45647.08411.09486.75716.75714.85234.85234.62604.62601.09481.0948
C32.54344.13061.46061.54012.67423.49924.63912.80502.80502.15922.15921.09851.09854.64644.6464
C43.85302.67011.46062.50791.21374.67423.23624.16694.16692.74052.74052.10422.10423.23443.2344
C51.52674.93301.54012.50793.56592.17685.13422.17612.17611.09551.09552.16142.16145.54815.5481
C64.99771.45642.67421.21373.56595.73982.11735.33405.33403.60823.60823.22153.22152.11812.1181
H71.09357.08413.49924.67422.17685.73987.19001.76791.76792.51072.51073.76323.76327.69437.6943
H86.65631.09484.63913.23625.13422.11737.19007.09107.09104.91684.91685.22175.22171.76491.7649
H91.09536.75712.80504.16692.17615.33401.76797.09101.76833.08062.52703.11262.56677.17977.3939
H101.09536.75712.80504.16692.17615.33401.76797.09101.76832.52703.08062.56673.11267.39397.1797
H112.16494.85232.15922.74051.09553.60822.51074.91683.08062.52701.75562.50823.06095.63805.3562
H122.16494.85232.15922.74051.09553.60822.51074.91682.52703.08061.75563.06092.50825.35625.6380
H132.75574.62601.09852.10422.16143.22153.76325.22173.11262.56672.50823.06091.75325.21814.9127
H142.75574.62601.09852.10422.16143.22153.76325.22172.56673.11263.06092.50821.75324.91275.2181
H156.97881.09484.64643.23445.54812.11817.69431.76497.17977.39395.63805.35625.21814.91271.7652
H166.97881.09484.64643.23445.54812.11817.69431.76497.39397.17975.35625.63804.91275.21811.7652

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 112.057 C1 C5 H11 110.208
C1 C5 H12 110.208 C2 C6 C4 179.728
C3 C4 C6 178.752 C3 C5 H11 108.848
C3 C5 H12 108.848 C4 C3 C5 113.365
C4 C3 H13 109.809 C4 C3 H14 109.809
C5 C1 H7 111.279 C5 C1 H9 111.120
C5 C1 H10 111.120 C5 C3 H13 108.848
C5 C3 H14 108.848 C6 C2 H8 111.399
C6 C2 H15 111.463 C6 C2 H16 111.463
H7 C1 H9 107.748 H7 C1 H10 107.748
H8 C2 H15 107.421 H8 C2 H16 107.421
H9 C1 H10 107.654 H11 C5 H12 106.502
H13 C3 H14 105.882 H15 C2 H16 107.453
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.455      
2 C -0.460      
3 C -0.295      
4 C -0.041      
5 C -0.289      
6 C -0.153      
7 H 0.155      
8 H 0.186      
9 H 0.152      
10 H 0.152      
11 H 0.162      
12 H 0.162      
13 H 0.177      
14 H 0.177      
15 H 0.186      
16 H 0.186      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.130 -0.071 0.000 0.148
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.745 -3.160 0.000
y -3.160 -34.373 0.000
z 0.000 0.000 -38.132
Traceless
 xyz
x 0.508 -3.160 0.000
y -3.160 2.566 0.000
z 0.000 0.000 -3.074
Polar
3z2-r2-6.147
x2-y2-1.372
xy-3.160
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.073 -3.054 0.000
y -3.054 11.431 0.000
z 0.000 0.000 6.705


<r2> (average value of r2) Å2
<r2> 294.054
(<r2>)1/2 17.148