return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C6H10 (1,3-Hexadiene, (Z)-)

using model chemistry: MP2/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/CEP-31G*
 hartrees
Energy at 0K-39.412031
Energy at 298.15K-39.421874
HF Energy-38.688727
Nuclear repulsion energy116.998453
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/CEP-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' 3291 3124 28.94      
2 A' 3274 3108 0.81      
3 A' 3185 3023 17.86      
4 A' 3183 3022 22.71      
5 A' 3178 3018 54.03      
6 A' 3147 2988 5.99      
7 A' 3088 2931 23.07      
8 A' 3070 2915 34.05      
9 A' 1731 1643 4.65      
10 A' 1651 1568 1.98      
11 A' 1545 1467 6.23      
12 A' 1502 1426 5.26      
13 A' 1484 1409 8.81      
14 A' 1451 1378 4.35      
15 A' 1414 1343 7.18      
16 A' 1398 1328 1.91      
17 A' 1327 1260 0.32      
18 A' 1309 1243 5.84      
19 A' 1191 1130 1.61      
20 A' 1090 1035 3.19      
21 A' 1062 1008 1.80      
22 A' 940 892 3.36      
23 A' 828 786 3.50      
24 A' 708 673 1.85      
25 A' 415 394 0.39      
26 A' 273 260 2.11      
27 A' 199 189 0.38      
28 A" 3203 3041 38.30      
29 A" 3120 2962 23.79      
30 A" 1537 1459 6.53      
31 A" 1326 1259 0.53      
32 A" 1122 1065 7.05      
33 A" 1034 982 38.86      
34 A" 959 910 0.58      
35 A" 848 805 41.89      
36 A" 840 798 23.81      
37 A" 763 724 3.55      
38 A" 631 599 45.65      
39 A" 400 380 0.04      
40 A" 315 299 0.08      
41 A" 121 114 0.25      
42 A" 80 76 0.21      

Unscaled Zero Point Vibrational Energy (zpe) 31615.6 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 30015.9 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/CEP-31G*
ABC
0.22516 0.06579 0.05191

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.090 1.298 0.000
C2 -1.254 0.581 0.000
H3 0.026 2.256 0.000
C4 0.000 1.157 0.000
H5 1.428 -0.563 0.000
C6 1.338 0.524 0.000
H7 3.477 0.817 0.000
H8 2.440 2.378 0.000
C9 2.485 1.282 0.000
H10 -2.381 -0.998 0.881
H11 -2.381 -0.998 -0.881
C12 -1.721 -0.870 0.000
H13 -1.183 -2.977 0.000
H14 -0.028 -1.956 -0.898
H15 -0.028 -1.956 0.898
C16 -0.667 -1.999 0.000

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 C6 H7 H8 C9 H10 H11 C12 H13 H14 H15 C16
H11.10142.32312.09503.97973.51455.58754.65684.57492.47672.47672.19954.36993.95543.95543.5910
C21.10142.10811.38002.91562.59284.73664.10763.80402.13092.13091.52453.55842.95712.95712.6459
H32.32312.10811.09943.14792.17273.73822.41642.64414.14254.14253.58125.37024.30644.30644.3108
C42.09501.38001.09942.23501.48013.49312.72812.48773.33013.33012.65904.29923.23943.23943.2253
H53.97972.91563.14792.23501.09042.47053.11012.12653.93343.93343.16353.55522.20542.20542.5396
C63.51452.59282.17271.48011.09042.15862.15671.37484.11394.11393.36164.31362.96972.96973.2224
H75.58754.73663.73823.49312.47052.15861.87371.09556.19546.19545.46466.00854.55814.55815.0100
H84.65684.10762.41642.72813.11012.15671.87371.09665.95095.95095.27836.46475.06705.06705.3672
C94.57493.80402.64412.48772.12651.37481.09551.09665.44535.44534.72445.62024.19564.19564.5496
H102.47672.13094.14253.33013.93344.11396.19545.95095.44531.76251.10852.47513.10122.54042.1715
H112.47672.13094.14253.33013.93344.11396.19545.95095.44531.76251.10852.47512.54043.10122.1715
C122.19951.52453.58122.65903.16353.36165.46465.27834.72441.10851.10852.17402.20232.20231.5442
H134.36993.55845.37024.29923.55524.31366.00856.46475.62022.47512.47512.17401.78361.78361.1054
H143.95542.95714.30643.23942.20542.96974.55815.06704.19563.10122.54042.20231.78361.79511.1027
H153.95542.95714.30643.23942.20542.96974.55815.06704.19562.54043.10122.20231.78361.79511.1027
C163.59102.64594.31083.22532.53963.22245.01005.36724.54962.17152.17151.54421.10541.10271.1027

picture of 1,3-Hexadiene, (Z)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 C4 114.732 H1 C2 C12 112.787
C2 C4 H3 116.020 C2 C4 C6 130.030
C2 C12 H10 106.991 C2 C12 H11 106.991
C2 C12 C16 119.134 H3 C4 C6 113.950
C4 C2 C12 132.481 C4 C6 H5 120.031
C4 C6 C9 121.201 H5 C6 C9 118.768
C6 C9 H7 121.402 C6 C9 H8 121.130
H7 C9 H8 117.469 H10 C12 H11 105.315
H10 C12 C16 108.785 H11 C12 C16 108.785
C12 C16 H13 109.152 C12 C16 H14 111.528
C12 C16 H15 111.528 H13 C16 H14 107.759
H13 C16 H15 107.759 H14 C16 H15 108.970
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability