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

using model chemistry: MP2/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-194.852904
Energy at 298.15K-194.860334
HF Energy-194.026548
Nuclear repulsion energy156.042683
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' 3281 3116 8.87      
2 A' 3214 3051 14.50      
3 A' 3199 3038 18.71      
4 A' 3184 3024 3.66      
5 A' 3180 3019 5.22      
6 A' 3171 3011 0.37      
7 A' 3071 2916 20.22      
8 A' 1714 1627 5.01      
9 A' 1649 1566 2.34      
10 A' 1505 1429 7.24      
11 A' 1477 1403 11.97      
12 A' 1421 1349 3.36      
13 A' 1393 1323 1.09      
14 A' 1319 1253 0.75      
15 A' 1283 1218 1.28      
16 A' 1194 1134 0.93      
17 A' 1064 1011 0.03      
18 A' 974 925 9.68      
19 A' 905 859 2.08      
20 A' 612 581 4.33      
21 A' 385 366 3.26      
22 A' 223 212 0.22      
23 A" 3136 2978 12.12      
24 A" 1497 1421 6.17      
25 A" 1062 1008 2.81      
26 A" 1036 983 16.04      
27 A" 982 933 3.04      
28 A" 928 881 38.03      
29 A" 802 761 7.94      
30 A" 642 610 27.16      
31 A" 356 338 0.31      
32 A" 130 124 0.03      
33 A" 113 107 0.64      

Unscaled Zero Point Vibrational Energy (zpe) 25050.2 cm-1
Scaled (by 0.9495) Zero Point Vibrational Energy (zpe) 23785.2 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
0.52951 0.08903 0.07729

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.383 0.152 0.000
C2 1.092 -0.215 0.000
C3 0.000 0.742 0.000
C4 -1.314 0.453 0.000
C5 -1.934 -0.907 0.000
H6 2.663 1.197 0.000
H7 3.177 -0.580 0.000
H8 0.853 -1.271 0.000
H9 0.289 1.788 0.000
H10 -2.004 1.289 0.000
H11 -1.197 -1.704 0.000
H12 -2.571 -1.036 0.876
H13 -2.571 -1.036 -0.876

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.34162.45463.70864.44461.08211.07982.08912.65654.53194.03205.16895.1689
C21.34161.45242.49713.10432.11202.11621.08232.15763.44252.73073.85503.8550
C32.45461.45241.34512.54162.70123.44082.18601.08462.07762.72353.24643.2464
C43.70862.49711.34511.49484.04534.60782.76852.08561.08412.16062.13672.1367
C54.44463.10432.54161.49485.05535.12132.81043.49322.19671.08611.09071.0907
H61.08212.11202.70124.04535.05531.84973.06032.44574.66794.82835.75725.7572
H71.07982.11623.44084.60785.12131.84972.42463.73385.50784.51575.83215.8321
H82.08911.08232.18602.76852.81043.06032.42463.10963.83582.09483.54183.5418
H92.65652.15761.08462.08563.49322.44573.73383.10962.34733.79484.11344.1134
H104.53193.44252.07761.08412.19674.66795.50783.83582.34733.10002.54802.5480
H114.03202.73072.72352.16061.08614.82834.51572.09483.79483.10001.76151.7615
H125.16893.85503.24642.13671.09075.75725.83213.54184.11342.54801.76151.7517
H135.16893.85503.24642.13671.09075.75725.83213.54184.11342.54801.76151.7517

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 122.883 C1 C2 H8 118.668
C2 C1 H6 120.877 C2 C1 H7 121.466
C2 C3 C4 126.357 C2 C3 H9 115.768
C3 C2 H8 118.448 C3 C4 C5 126.927
C3 C4 H10 117.171 C4 C3 H9 117.875
C4 C5 H11 112.721 C4 C5 H12 110.492
C4 C5 H13 110.492 C5 C4 H10 115.902
H6 C1 H7 117.657 H11 C5 H12 108.037
H11 C5 H13 108.037 H12 C5 H13 106.841
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability