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All results from a given calculation for C6H12 ((Z)-hex-2-ene)

using model chemistry: MP2/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 (C1)

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

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP2/cc-pVTZ
 hartrees
Energy at 0K-235.294475
Energy at 298.15K-235.306728
HF Energy-234.260050
Nuclear repulsion energy231.756458
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/cc-pVTZ
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 3195 3034 40.35      
2 A 3178 3018 6.78      
3 A 3165 3005 8.38      
4 A 3161 3001 27.10      
5 A 3155 2996 39.49      
6 A 3136 2978 13.09      
7 A 3131 2973 14.86      
8 A 3111 2954 1.87      
9 A 3074 2919 45.50      
10 A 3070 2915 18.22      
11 A 3069 2914 17.66      
12 A 3062 2907 9.65      
13 A 1719 1632 2.31      
14 A 1521 1445 6.86      
15 A 1515 1439 7.49      
16 A 1512 1435 5.10      
17 A 1503 1427 0.17      
18 A 1499 1423 5.61      
19 A 1491 1416 0.60      
20 A 1442 1369 8.33      
21 A 1413 1342 2.65      
22 A 1405 1334 3.25      
23 A 1374 1305 0.30      
24 A 1332 1264 0.04      
25 A 1296 1230 0.43      
26 A 1294 1229 1.71      
27 A 1258 1195 0.14      
28 A 1177 1118 0.33      
29 A 1124 1068 1.49      
30 A 1079 1025 1.85      
31 A 1066 1013 1.07      
32 A 1065 1011 1.49      
33 A 1018 967 5.21      
34 A 1004 953 0.28      
35 A 930 883 3.27      
36 A 907 861 5.49      
37 A 876 831 2.90      
38 A 752 714 1.51      
39 A 728 691 32.90      
40 A 566 537 6.02      
41 A 480 456 1.02      
42 A 364 345 0.00      
43 A 296 281 0.06      
44 A 245 232 0.00      
45 A 202 191 0.02      
46 A 123 117 0.27      
47 A 92 87 0.01      
48 A 34 33 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 36603.8 cm-1
Scaled (by 0.9495) Zero Point Vibrational Energy (zpe) 34755.3 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 MP2/cc-pVTZ
ABC
0.26704 0.05211 0.04767

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.367 0.998 -0.024
C2 1.977 -0.439 -0.174
C3 0.783 -0.982 0.098
C4 -0.441 -0.274 0.589
C5 -1.509 -0.158 -0.501
C6 -2.784 0.500 0.010
H7 1.544 1.618 0.321
H8 3.190 1.102 0.685
H9 2.716 1.400 -0.975
H10 2.750 -1.102 -0.546
H11 0.668 -2.046 -0.083
H12 -0.197 0.721 0.959
H13 -0.863 -0.826 1.433
H14 -1.098 0.415 -1.335
H15 -1.733 -1.153 -0.890
H16 -3.535 0.583 -0.774
H17 -3.216 -0.078 0.828
H18 -2.579 1.502 0.386

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18
C11.49652.53863.14244.07265.17501.08661.09071.09052.19723.48622.75963.98493.75064.71015.96355.74884.9884
C21.49651.33962.54023.51234.85572.16002.14172.13801.08442.07432.71223.28593.39563.84485.63735.30064.9835
C32.53861.33961.49612.50853.86332.71893.23793.25042.07371.08532.14562.12472.74662.70844.67464.16414.1901
C43.14242.54021.49611.53042.53452.75573.88413.90023.48632.19551.09021.09342.14612.15143.48762.79242.7873
C54.07263.51232.50851.53041.52273.62665.00744.52774.36312.91242.15112.14551.09151.09202.17392.16452.1645
C65.17504.85573.86332.53451.52274.48126.04205.65935.78814.29022.76462.73292.15832.15551.08881.08991.0900
H71.08662.16002.71892.75573.62664.48121.76251.76043.09933.78942.06003.60653.34264.45945.29775.07864.1254
H81.09072.14173.23793.88415.00746.04201.76251.75162.56264.10653.41924.55054.78955.63936.90056.51515.7904
H91.09052.13803.25043.90024.52775.65931.76041.75162.53914.10693.56174.85413.95565.13006.30686.37325.4676
H102.19721.08442.07373.48634.36315.78813.09932.56262.53912.33263.77834.12904.21114.49676.51096.20736.0041
H113.48622.07431.08532.19552.91244.29023.78944.10654.10692.33263.08132.47633.27752.68595.00534.44864.8326
H122.75962.71222.14561.09022.15112.76462.06003.41923.56173.77833.08131.74992.48403.04863.76363.12582.5717
H133.98493.28592.12471.09342.14552.73293.60654.55054.85414.12902.47631.74993.04192.50183.74032.54173.0757
H143.75063.39562.74662.14611.09152.15833.34264.78953.95564.21113.27752.48403.04191.74862.50593.06652.5170
H154.71013.84482.70842.15141.09202.15554.45945.63935.13004.49672.68593.04862.50181.74862.50472.51133.0648
H165.96355.63734.67463.48762.17391.08885.29776.90056.30686.51095.00533.76363.74032.50592.50471.76161.7613
H175.74885.30064.16412.79242.16451.08995.07866.51516.37326.20734.44863.12582.54173.06652.51131.76161.7598
H184.98844.98354.19012.78732.16451.09004.12545.79045.46766.00414.83262.57173.07572.51703.06481.76131.7598

picture of (Z)-hex-2-ene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 126.955 C1 C2 H10 115.800
C2 C1 H7 112.517 C2 C1 H8 110.769
C2 C1 H9 110.490 C2 C3 C4 127.127
C2 C3 H11 117.229 C3 C2 H10 117.245
C3 C4 C5 111.953 C3 C4 H12 111.145
C3 C4 H13 109.280 C4 C3 H11 115.610
C4 C5 C6 112.231 C4 C5 H14 108.726
C4 C5 H15 109.104 C5 C4 H12 109.193
C5 C4 H13 108.563 C5 C6 H16 111.624
C5 C6 H17 110.803 C5 C6 H18 110.798
C6 C5 H14 110.215 C6 C5 H15 109.964
H7 C1 H8 108.094 H7 C1 H9 107.916
H8 C1 H9 106.837 H12 C4 H13 106.528
H14 C5 H16 94.378 H16 C6 H17 107.911
H16 C6 H18 107.879 H17 C6 H18 107.669
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability