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All results from a given calculation for C6H10 (1,5-Hexadiene)

using model chemistry: QCISD/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1Ag
Energy calculated at QCISD/3-21G*
 hartrees
Energy at 0K-232.297260
Energy at 298.15K-232.306978
HF Energy-231.688109
Nuclear repulsion energy210.393920
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 QCISD/3-21G*
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 3191 3067 9.42      
2 A 3118 2997 0.05      
3 A 3105 2985 37.11      
4 A 3070 2951 19.28      
5 A 3011 2894 3.38      
6 A 1688 1623 3.85      
7 A 1551 1491 1.37      
8 A 1512 1453 2.07      
9 A 1394 1340 1.41      
10 A 1362 1309 0.40      
11 A 1280 1230 0.38      
12 A 1116 1073 0.08      
13 A 1025 985 6.11      
14 A 1001 962 2.98      
15 A 962 924 1.69      
16 A 947 910 12.13      
17 A 792 761 0.70      
18 A 626 602 5.65      
19 A 433 416 0.00      
20 A 350 337 0.13      
21 A 91 88 0.00      
22 A 70 67 0.01      
23 B 3191 3067 33.23      
24 B 3118 2996 9.44      
25 B 3104 2984 7.40      
26 B 3049 2931 1.56      
27 B 3017 2900 38.02      
28 B 1690 1624 4.21      
29 B 1562 1501 7.33      
30 B 1514 1455 0.11      
31 B 1370 1316 0.79      
32 B 1347 1295 0.16      
33 B 1322 1271 0.14      
34 B 1201 1155 2.71      
35 B 1026 986 25.44      
36 B 996 957 2.17      
37 B 949 912 66.41      
38 B 910 874 0.10      
39 B 664 638 20.75      
40 B 442 425 0.95      
41 B 226 217 0.18      
42 B 98 94 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 31245.5 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 30030.1 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 QCISD/3-21G*
ABC
0.39623 0.04646 0.04490

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/3-21G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.436 0.651 -0.324
C2 0.436 -0.651 -0.324
C3 0.436 1.903 -0.356
C4 -0.436 -1.903 -0.356
C5 0.507 2.805 0.638
C6 -0.507 -2.805 0.638
H7 -1.105 0.634 -1.200
H8 -1.065 0.657 0.579
H9 1.105 -0.634 -1.200
H10 1.065 -0.657 0.579
H11 1.049 2.030 -1.254
H12 -1.049 -2.030 -1.254
H13 1.157 3.678 0.582
H14 -0.090 2.704 1.546
H15 -1.157 -3.678 0.582
H16 0.090 -2.704 1.546

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C11.56611.52582.55392.54053.58781.10281.10122.18932.18592.22932.90293.53882.79894.48133.8767
C21.56612.55391.52583.58782.54052.18932.18591.10281.10122.90292.22934.48133.87673.53882.7989
C31.52582.55393.90431.34424.90322.16682.16342.75652.79731.09424.29842.13382.13015.87944.9964
C42.55391.52583.90434.90321.34422.75652.79732.16682.16344.29841.09425.87944.99642.13382.1301
C52.54053.58781.34424.90325.70103.26932.66253.94533.50722.11465.41981.08991.09156.69365.5991
C63.58782.54054.90321.34425.70103.94533.50723.26932.66255.41982.11466.69365.59911.08991.0915
H71.10282.18932.16682.75653.26933.94531.78032.54843.08942.56692.66554.19043.58594.66694.4850
H81.10122.18592.16342.79732.66253.50721.78033.08942.50283.11673.25273.75042.46524.33623.6830
H92.18931.10282.75652.16683.94533.26932.54843.08941.78032.66552.56694.66694.48504.19043.5859
H102.18591.10122.79732.16343.50722.66253.08942.50281.78033.25273.11674.33623.68303.75042.4652
H112.22932.90291.09424.29842.11465.41982.56693.11672.66553.25274.56972.46983.09676.38905.5831
H122.90292.22934.29841.09425.41982.11462.66553.25272.56693.11674.56976.38905.58312.46983.0967
H133.53884.48132.13385.87941.08996.69364.19043.75044.66694.33622.46986.38901.85247.71186.5424
H142.79893.87672.13014.99641.09155.59913.58592.46524.48503.68303.09675.58311.85246.54245.4111
H154.48133.53885.87942.13386.69361.08994.66694.33624.19043.75046.38902.46987.71186.54241.8524
H163.87672.79894.99642.13015.59911.09154.48503.68303.58592.46525.58313.09676.54245.41111.8524

picture of 1,5-Hexadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 111.372 C1 C2 H9 108.986
C1 C2 H10 108.826 C1 C3 C5 124.433
C1 C3 H11 115.629 C2 C1 C3 111.372
C2 C1 H7 108.986 C2 C1 H8 108.826
C2 C4 C6 124.433 C2 C4 H12 115.629
C3 C1 H7 109.999 C3 C1 H8 109.824
C3 C5 H13 122.129 C3 C5 H14 121.631
C4 C2 H9 109.999 C4 C2 H10 109.824
C4 C6 H15 122.129 C4 C6 H16 121.631
C5 C3 H11 119.920 C6 C4 H12 119.920
H7 C1 H8 107.751 H9 C2 H10 107.751
H13 C5 H14 116.239 H15 C6 H16 116.239
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability