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

using model chemistry: B3LYP/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-39.813332
Energy at 298.15K-39.822287
Nuclear repulsion energy111.600853
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/CEP-121G
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 3068 2990 64.30      
2 A 3062 2984 25.25      
3 A 2998 2922 40.25      
4 A 2985 2909 53.39      
5 A 2978 2902 88.19      
6 A 2973 2897 8.54      
7 A 2306 2247 0.00      
8 A 1531 1492 8.92      
9 A 1517 1478 1.38      
10 A 1507 1469 3.32      
11 A 1506 1468 6.76      
12 A 1441 1404 0.90      
13 A 1432 1395 4.99      
14 A 1380 1345 1.98      
15 A 1315 1281 8.79      
16 A 1156 1126 2.96      
17 A 1115 1087 3.39      
18 A 1067 1040 0.77      
19 A 1041 1015 1.60      
20 A 891 869 4.16      
21 A 753 734 0.23      
22 A 488 476 1.51      
23 A 335 326 0.44      
24 A 274 267 8.51      
25 A 104 101 2.19      
26 A 3069 2991 117.42      
27 A 3063 2985 24.69      
28 A 3039 2961 2.11      
29 A 3008 2931 10.23      
30 A 1522 1483 8.99      
31 A 1506 1468 8.44      
32 A 1319 1286 0.01      
33 A 1261 1229 0.22      
34 A 1136 1107 0.46      
35 A 1066 1039 1.00      
36 A 884 862 0.47      
37 A 753 734 3.33      
38 A 398 388 0.03      
39 A 231 225 0.59      
40 A 220 214 11.37      
41 A 82 80 0.36      
42 A 21 21 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 30901.9 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 30113.9 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/CEP-121G
ABC
0.59316 0.03869 0.03734

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.189 -2.850 0.000
C2 -1.710 2.973 0.000
C3 0.926 -0.283 0.000
C4 0.000 0.876 0.000
C5 0.195 -1.662 0.000
C6 -0.777 1.824 0.000
H7 0.657 -3.811 0.000
H8 -2.755 2.636 0.000
H9 1.838 -2.826 0.888
H10 1.838 -2.826 -0.888
H11 -0.460 -1.718 -0.882
H12 -0.460 -1.718 0.882
H13 1.586 -0.227 -0.881
H14 1.586 -0.227 0.881
H15 -1.562 3.604 0.887
H16 -1.562 3.604 -0.887

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C16.50522.58033.91131.54945.07071.09836.75671.09971.09972.18632.18632.79512.79517.07207.0720
C26.50524.18972.70585.01141.48027.18491.09856.85606.85604.93404.93404.67754.67751.09851.0985
C32.58034.18971.48391.56092.70953.53774.69812.84352.84352.18092.18091.10171.10174.69994.6999
C43.91132.70581.48392.54551.22574.73253.26904.22744.22742.77772.77772.12312.12313.26633.2663
C51.54945.01141.56092.54553.61872.19775.21272.20062.20061.09951.09952.18402.18405.62185.6218
C65.07071.48022.70951.22573.61875.81402.13785.40805.40803.66313.66313.25063.25062.13832.1383
H71.09837.18493.53774.73252.19775.81407.29371.77551.77552.53082.53083.80533.80537.79027.7902
H86.75671.09854.69813.26905.21272.13787.29377.19127.19124.99974.99975.27405.27401.77421.7742
H91.09976.85602.84354.22742.20065.40801.77557.19121.77613.10462.55103.15372.61117.27357.4870
H101.09976.85602.84354.22742.20065.40801.77557.19121.77612.55103.10462.61113.15377.48707.2735
H112.18634.93402.18092.77771.09953.66312.53084.99973.10462.55101.76312.53133.08425.71525.4346
H122.18634.93402.18092.77771.09953.66312.53084.99972.55103.10461.76313.08422.53135.43465.7152
H132.79514.67751.10172.12312.18403.25063.80535.27403.15372.61112.53133.08421.76125.26424.9586
H142.79514.67751.10172.12312.18403.25063.80535.27402.61113.15373.08422.53131.76124.95865.2642
H157.07201.09854.69993.26635.62182.13837.79021.77427.27357.48705.71525.43465.26424.95861.7743
H167.07201.09854.69993.26635.62182.13837.79021.77427.48707.27355.43465.71524.95865.26421.7743

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 112.117 C1 C5 H11 110.088
C1 C5 H12 110.088 C2 C6 C4 179.670
C3 C4 C6 179.266 C3 C5 H11 108.890
C3 C5 H12 108.890 C4 C3 C5 113.422
C4 C3 H13 109.513 C4 C3 H14 109.513
C5 C1 H7 111.059 C5 C1 H9 111.201
C5 C1 H10 111.201 C5 C3 H13 109.002
C5 C3 H14 109.002 C6 C2 H8 111.139
C6 C2 H15 111.182 C6 C2 H16 111.182
H7 C1 H9 107.755 H7 C1 H10 107.755
H8 C2 H15 107.717 H8 C2 H16 107.717
H9 C1 H10 107.704 H11 C5 H12 106.604
H13 C3 H14 106.130 H15 C2 H16 107.733
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.459      
2 C -0.677      
3 C -0.383      
4 C 0.774      
5 C -0.225      
6 C -0.554      
7 H 0.151      
8 H 0.174      
9 H 0.140      
10 H 0.140      
11 H 0.136      
12 H 0.136      
13 H 0.149      
14 H 0.149      
15 H 0.174      
16 H 0.174      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.122 -0.058 0.000 0.135
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.821 -3.207 0.000
y -3.207 -35.018 0.000
z 0.000 0.000 -38.908
Traceless
 xyz
x 0.142 -3.207 0.000
y -3.207 2.846 0.000
z 0.000 0.000 -2.988
Polar
3z2-r2-5.976
x2-y2-1.803
xy-3.207
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.007 -3.052 0.000
y -3.052 12.801 0.000
z 0.000 0.000 7.644


<r2> (average value of r2) Å2
<r2> 242.795
(<r2>)1/2 15.582