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

using model chemistry: MP2/SDD

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/SDD
 hartrees
Energy at 0K-194.327632
Energy at 298.15K-194.334847
HF Energy-193.897435
Nuclear repulsion energy152.673024
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/SDD
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' 3250 3138 32.54      
2 A' 3170 3060 54.03      
3 A' 3162 3053 22.45      
4 A' 3137 3028 4.78      
5 A' 3134 3026 26.75      
6 A' 3123 3015 2.15      
7 A' 3017 2912 33.03      
8 A' 1682 1623 3.85      
9 A' 1617 1560 4.19      
10 A' 1538 1484 9.48      
11 A' 1494 1442 8.01      
12 A' 1465 1414 8.42      
13 A' 1410 1361 0.23      
14 A' 1339 1292 0.42      
15 A' 1310 1265 1.46      
16 A' 1198 1156 2.71      
17 A' 1075 1038 0.25      
18 A' 969 936 9.72      
19 A' 879 849 0.86      
20 A' 614 592 4.31      
21 A' 384 370 2.29      
22 A' 222 214 0.12      
23 A" 3096 2989 31.40      
24 A" 1524 1471 9.32      
25 A" 1090 1052 1.34      
26 A" 990 956 39.32      
27 A" 918 886 4.17      
28 A" 852 823 47.56      
29 A" 766 739 20.21      
30 A" 606 585 37.68      
31 A" 338 327 0.46      
32 A" 108 104 0.00      
33 A" 90 87 0.63      

Unscaled Zero Point Vibrational Energy (zpe) 24782.6 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 23922.7 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/SDD
ABC
0.50960 0.08467 0.07362

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.443 0.148 0.000
C2 1.121 -0.220 0.000
C3 0.000 0.759 0.000
C4 -1.344 0.467 0.000
C5 -1.989 -0.923 0.000
H6 2.744 1.202 0.000
H7 3.245 -0.596 0.000
H8 0.874 -1.289 0.000
H9 0.297 1.817 0.000
H10 -2.046 1.312 0.000
H11 -1.241 -1.732 0.000
H12 -2.631 -1.050 0.891
H13 -2.631 -1.050 -0.891

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.37292.51863.80104.55971.09561.09352.12762.71904.63814.13615.28985.2898
C21.37291.48832.55923.18802.15812.15701.09652.19783.51842.80393.94483.9448
C32.51861.48831.37542.60422.77983.51632.22641.09932.11972.78243.31503.3150
C43.80102.55921.37541.53194.15394.71072.82942.12501.09852.20122.18012.1801
C54.55973.18802.60421.53195.18785.24412.88653.56792.23531.10191.10611.1061
H61.09562.15812.77984.15395.18781.86573.11432.52354.79184.94825.89585.8958
H71.09352.15703.51634.71075.24411.86572.46993.80955.62474.62755.96095.9609
H82.12761.09652.22642.82942.88653.11432.46993.15913.91082.16113.62503.6250
H92.71902.19781.09932.12503.56792.52353.80953.15912.39703.86764.19394.1939
H104.63813.51842.11971.09852.23534.79185.62473.91082.39703.14852.59162.5916
H114.13612.80392.78242.20121.10194.94824.62752.16113.86763.14851.78671.7867
H125.28983.94483.31502.18011.10615.89585.96093.62504.19392.59161.78671.7826
H135.28983.94483.31502.18011.10615.89585.96093.62504.19392.59161.78671.7826

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 123.297 C1 C2 H8 118.560
C2 C1 H6 121.502 C2 C1 H7 121.578
C2 C3 C4 126.626 C2 C3 H9 115.463
C3 C2 H8 118.143 C3 C4 C5 127.125
C3 C4 H10 117.485 C4 C3 H9 117.911
C4 C5 H11 112.365 C4 C5 H12 110.428
C4 C5 H13 110.428 C5 C4 H10 115.390
H6 C1 H7 116.919 H11 C5 H12 108.034
H11 C5 H13 108.034 H12 C5 H13 107.380
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability