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All results from a given calculation for C5H8 (1,3-Pentadiene, (Z)-)

using model chemistry: MP2/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G
 hartrees
Energy at 0K-194.329633
Energy at 298.15K-194.336951
HF Energy-193.881390
Nuclear repulsion energy153.869097
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 MP2/6-31G
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' 3258 3118 23.97      
2 A' 3180 3042 35.50      
3 A' 3170 3034 28.01      
4 A' 3161 3024 9.27      
5 A' 3150 3014 12.81      
6 A' 3135 2999 3.88      
7 A' 3052 2921 26.19      
8 A' 1714 1640 2.24      
9 A' 1650 1579 1.00      
10 A' 1568 1500 5.95      
11 A' 1520 1455 6.29      
12 A' 1489 1424 5.77      
13 A' 1444 1382 0.82      
14 A' 1369 1310 0.53      
15 A' 1337 1280 0.74      
16 A' 1222 1169 1.92      
17 A' 1101 1053 0.31      
18 A' 990 947 7.16      
19 A' 902 863 0.83      
20 A' 629 602 4.21      
21 A' 395 378 2.37      
22 A' 226 216 0.14      
23 A" 3116 2981 25.93      
24 A" 1554 1487 6.65      
25 A" 1115 1067 0.69      
26 A" 1012 968 22.58      
27 A" 964 922 6.10      
28 A" 915 876 40.63      
29 A" 784 751 14.08      
30 A" 625 598 27.37      
31 A" 346 331 0.21      
32 A" 101 96 0.01      
33 A" 87 83 0.38      

Unscaled Zero Point Vibrational Energy (zpe) 25139.5 cm-1
Scaled (by 0.9568) Zero Point Vibrational Energy (zpe) 24053.4 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 MP2/6-31G
ABC
0.52107 0.08588 0.07476

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.422 0.156 0.000
C2 1.116 -0.217 0.000
C3 0.000 0.747 0.000
C4 -1.331 0.458 0.000
C5 -1.976 -0.916 0.000
H6 2.718 1.207 0.000
H7 3.230 -0.575 0.000
H8 0.876 -1.283 0.000
H9 0.293 1.803 0.000
H10 -2.034 1.296 0.000
H11 -1.233 -1.724 0.000
H12 -2.616 -1.046 0.886
H13 -2.616 -1.046 -0.886

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.35882.49343.76574.52701.09161.08882.11222.69194.59944.11065.25475.2547
C21.35881.47432.53813.16972.14312.14441.09252.18053.49362.79093.92373.9237
C32.49341.47431.36252.58282.75623.48982.21061.09532.10632.76173.29313.2931
C43.76572.53811.36251.51734.11774.67652.81042.10891.09362.18352.16722.1672
C54.52703.16972.58281.51735.15145.21712.87513.54102.21251.09731.10081.1008
H61.09162.14312.75624.11775.15141.85343.09672.49694.75224.91925.85725.8572
H71.08882.14443.48984.67655.21711.85342.45853.77845.58594.60895.93115.9311
H82.11221.09252.21062.81042.87513.09672.45853.13973.88732.15473.60973.6097
H92.69192.18051.09532.10893.54102.49693.77843.13972.38113.84264.16684.1668
H104.59943.49362.10631.09362.21254.75225.58593.88732.38113.12382.57102.5710
H114.11062.79092.76172.18351.09734.91924.60892.15473.84263.12381.77621.7762
H125.25473.92373.29312.16721.10085.85725.93113.60974.16682.57101.77621.7726
H135.25473.92373.29312.16721.10085.85725.93113.60974.16682.57101.77621.7726

picture of 1,3-Pentadiene, (Z)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 123.255 C1 C2 H8 118.603
C2 C1 H6 121.614 C2 C1 H7 121.962
C2 C3 C4 126.893 C2 C3 H9 115.319
C3 C2 H8 118.142 C3 C4 C5 127.422
C3 C4 H10 117.683 C4 C3 H9 117.788
C4 C5 H11 112.263 C4 C5 H12 110.743
C4 C5 H13 110.743 C5 C4 H10 114.895
H6 C1 H7 116.424 H11 C5 H12 107.820
H11 C5 H13 107.820 H12 C5 H13 107.254
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability