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All results from a given calculation for C6H12 ((E)-2-Hexene)

using model chemistry: MP2=FULL/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes C1 1A

Conformer 1 (CS)

Jump to S1C2
Vibrational Frequencies calculated at MP2=FULL/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/cc-pVTZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVTZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP2=FULL/cc-pVTZ
 hartrees
Energy at 0K-235.392039
Energy at 298.15K-235.404370
HF Energy-234.263315
Nuclear repulsion energy228.370053
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 MP2=FULL/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3190 3029 28.32      
2 A 3177 3016 18.03      
3 A 3164 3004 27.07      
4 A 3163 3003 6.75      
5 A 3158 2998 37.86      
6 A 3140 2981 14.18      
7 A 3124 2966 17.10      
8 A 3100 2943 6.83      
9 A 3089 2933 40.98      
10 A 3086 2930 11.04      
11 A 3080 2924 27.24      
12 A 3064 2909 18.74      
13 A 1745 1657 0.49      
14 A 1532 1454 6.39      
15 A 1527 1450 6.77      
16 A 1519 1442 10.07      
17 A 1515 1439 1.03      
18 A 1506 1430 6.16      
19 A 1496 1420 2.07      
20 A 1423 1351 1.60      
21 A 1422 1350 3.96      
22 A 1395 1324 0.87      
23 A 1355 1286 1.32      
24 A 1344 1276 0.44      
25 A 1330 1262 0.10      
26 A 1300 1235 2.66      
27 A 1264 1200 0.51      
28 A 1196 1135 0.05      
29 A 1135 1077 1.31      
30 A 1122 1066 2.45      
31 A 1083 1028 0.49      
32 A 1082 1027 1.70      
33 A 1055 1001 5.79      
34 A 1025 973 34.08      
35 A 939 891 5.28      
36 A 920 873 1.70      
37 A 884 839 0.30      
38 A 800 760 0.17      
39 A 757 719 2.07      
40 A 536 509 0.12      
41 A 395 375 1.22      
42 A 311 296 0.78      
43 A 290 275 1.21      
44 A 262 249 0.04      
45 A 218 207 0.72      
46 A 149 142 0.29      
47 A 93 88 0.06      
48 A 79 75 0.21      

Unscaled Zero Point Vibrational Energy (zpe) 36768.4 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 34907.9 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 MP2=FULL/cc-pVTZ
ABC
0.49235 0.04114 0.04071

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 3.145 0.231 -0.157
C2 1.774 -0.343 -0.254
C3 0.732 0.051 0.474
C4 -0.645 -0.502 0.361
C5 -1.648 0.529 -0.138
C6 -3.057 -0.027 -0.211
H7 3.182 1.024 0.583
H8 3.870 -0.529 0.121
H9 3.466 0.642 -1.112
H10 1.627 -1.141 -0.968
H11 0.877 0.850 1.188
H12 -0.980 -0.866 1.333
H13 -0.640 -1.358 -0.312
H14 -1.331 0.879 -1.118
H15 -1.626 1.394 0.522
H16 -3.762 0.715 -0.571
H17 -3.098 -0.881 -0.882
H18 -3.391 -0.360 0.768

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18
C11.48932.50073.89484.80196.20751.08531.08741.08742.20102.70874.52094.10804.62364.95756.93646.38276.6270
C21.48931.33102.50113.53364.84192.13322.13742.13761.08072.07573.22112.61953.44753.89685.64584.94235.2650
C32.50071.33101.48812.50323.85122.63833.21113.21552.07361.08182.12322.11782.73412.71444.66164.16864.1533
C43.89482.50111.48811.52272.52424.12574.52184.51412.70802.19771.09051.08882.13642.14163.47412.77622.7793
C54.80193.53362.50321.52271.51694.90815.62485.20693.76832.86972.13432.14671.08741.08812.16642.15562.1558
C66.20754.84193.85122.52421.51696.37646.95366.61874.87334.26672.72082.76112.14932.14611.08531.08651.0865
H71.08532.13322.63834.12574.90816.37641.76051.76063.08382.38914.63154.59144.82524.82267.04616.72426.7189
H81.08742.13743.21114.52185.62486.95361.76051.74792.56803.46445.01074.60645.52945.83727.76447.04937.2917
H91.08742.13763.21554.51415.20696.61871.76061.74792.56553.46925.29294.63664.80315.40047.24876.74267.1797
H102.20101.08072.07362.70803.76834.87333.08382.56802.56553.02903.48772.36963.58464.38495.71334.73295.3661
H112.70872.07571.08182.19772.86974.26672.38913.46443.46923.02902.53263.07073.19272.64674.96344.80474.4557
H124.52093.22112.12321.09052.13432.72084.63155.01075.29293.48772.53261.75063.02852.48673.72383.06492.5273
H134.10802.61952.11781.08882.14672.76114.59144.60644.63662.36963.07071.75062.47573.04053.75692.56823.1191
H144.62363.44752.73412.13641.08742.14934.82525.52944.80313.58463.19273.02852.47571.74402.49692.50473.0543
H154.95753.89682.71442.14161.08812.14614.82265.83725.40044.38492.64672.48673.04051.74402.49383.05212.5001
H166.93645.64584.66163.47412.16641.08537.04617.76447.24875.71334.96343.72383.75692.49692.49381.75651.7568
H176.38274.94234.16862.77622.15561.08656.72427.04936.74264.73294.80473.06492.56822.50473.05211.75651.7545
H186.62705.26504.15332.77932.15581.08656.71897.29177.17975.36614.45572.52733.11913.05432.50011.75681.7545

picture of (E)-2-Hexene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 124.832 C1 C2 H10 116.947
C2 C1 H7 110.924 C2 C1 H8 111.139
C2 C1 H9 111.153 C2 C3 C4 124.960
C2 C3 H11 118.341 C3 C2 H10 118.221
C3 C4 C5 112.483 C3 C4 H12 109.897
C3 C4 H13 109.572 C4 C3 H11 116.680
C4 C5 C6 112.288 C4 C5 H14 108.725
C4 C5 H15 109.088 C5 C4 H12 108.383
C5 C4 H13 109.450 C5 C6 H16 111.646
C5 C6 H17 110.705 C5 C6 H18 110.719
C6 C5 H14 110.145 C6 C5 H15 109.847
H7 C1 H8 108.244 H7 C1 H9 108.254
H8 C1 H9 106.973 H12 C4 H13 106.893
H14 C5 H15 106.574 H16 C6 H17 107.953
H16 C6 H18 107.979 H17 C6 H18 107.690
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability