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

using model chemistry: CCSD(T)=FULL/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 CCSD(T)=FULL/6-31G*
 hartrees
Energy at 0K-194.695051
Energy at 298.15K-194.702378
HF Energy-193.953623
Nuclear repulsion energy154.860181
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 CCSD(T)=FULL/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' 3243 3148        
2 A' 3178 3085        
3 A' 3162 3069        
4 A' 3155 3063        
5 A' 3147 3054        
6 A' 3134 3042        
7 A' 3046 2957        
8 A' 1731 1681        
9 A' 1666 1617        
10 A' 1537 1492        
11 A' 1499 1455        
12 A' 1461 1418        
13 A' 1416 1375        
14 A' 1342 1303        
15 A' 1311 1273        
16 A' 1209 1174        
17 A' 1083 1052        
18 A' 982 954        
19 A' 906 879        
20 A' 617 599        
21 A' 390 379        
22 A' 228 221        
23 A" 3101 3011        
24 A" 1527 1482        
25 A" 1081 1049        
26 A" 1005 976        
27 A" 956 928        
28 A" 894 868        
29 A" 785 762        
30 A" 626 607        
31 A" 345 335        
32 A" 119 115        
33 A" 105 102        

Unscaled Zero Point Vibrational Energy (zpe) 24992.3 cm-1
Scaled (by 0.9707) Zero Point Vibrational Energy (zpe) 24260.0 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 CCSD(T)=FULL/6-31G*
ABC
0.52756 0.08724 0.07592

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.402 0.160 0.000
C2 1.107 -0.216 0.000
C3 0.000 0.741 0.000
C4 -1.320 0.451 0.000
C5 -1.958 -0.912 0.000
H6 2.691 1.212 0.000
H7 3.211 -0.568 0.000
H8 0.868 -1.281 0.000
H9 0.293 1.795 0.000
H10 -2.020 1.291 0.000
H11 -1.223 -1.723 0.000
H12 -2.601 -1.036 0.884
H13 -2.601 -1.036 -0.884

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.34902.47133.73404.49031.09071.08872.10512.66814.56434.08515.21945.2194
C21.34901.46292.51723.14302.13312.13381.09142.16883.47082.77473.89863.8986
C32.47131.46291.35192.56222.73243.46782.19981.09392.09352.75063.27153.2715
C43.73402.51721.35191.50454.08354.64492.79062.09981.09322.17632.15232.1523
C54.49033.14302.56221.50455.11175.18102.85003.52032.20371.09521.09961.0996
H61.09072.13312.73244.08355.11171.85453.08872.46804.71194.89255.81755.8175
H71.08872.13383.46784.64495.18101.85452.44953.75475.55174.58205.89745.8974
H82.10511.09142.19982.79062.85003.08872.44953.12863.86692.13683.58753.5875
H92.66812.16881.09392.09983.52032.46803.75473.12862.36713.83054.14374.1437
H104.56433.47082.09351.09322.20374.71195.55173.86692.36713.11802.55682.5568
H114.08512.77472.75062.17631.09524.89254.58202.13683.83053.11801.77501.7750
H125.21943.89863.27152.15231.09965.81755.89743.58754.14372.55681.77501.7673
H135.21943.89863.27152.15231.09965.81755.89743.58754.14372.55681.77501.7673

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 122.968 C1 C2 H8 118.846
C2 C1 H6 121.573 C2 C1 H7 121.805
C2 C3 C4 126.788 C2 C3 H9 115.290
C3 C2 H8 118.186 C3 C4 C5 127.459
C3 C4 H10 117.391 C4 C3 H9 117.921
C4 C5 H11 112.730 C4 C5 H12 110.524
C4 C5 H13 110.524 C5 C4 H10 115.150
H6 C1 H7 116.623 H11 C5 H12 107.945
H11 C5 H13 107.945 H12 C5 H13 106.952
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability