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

using model chemistry: CCSD/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/6-31G*
 hartrees
Energy at 0K-194.645328
Energy at 298.15K-194.652696
HF Energy-193.954449
Nuclear repulsion energy155.021657
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/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' 3261 3079 18.72      
2 A' 3201 3023 18.12      
3 A' 3184 3006 33.16      
4 A' 3176 2999 7.96      
5 A' 3167 2991 10.97      
6 A' 3156 2980 0.69      
7 A' 3065 2895 25.18      
8 A' 1773 1674 3.82      
9 A' 1699 1604 1.16      
10 A' 1545 1459 5.74      
11 A' 1510 1426 8.93      
12 A' 1471 1389 3.14      
13 A' 1428 1349 0.95      
14 A' 1355 1279 1.15      
15 A' 1322 1249 0.72      
16 A' 1218 1150 1.07      
17 A' 1091 1030 0.05      
18 A' 988 933 7.32      
19 A' 912 861 0.75      
20 A' 622 587 4.29      
21 A' 393 371 2.85      
22 A' 229 216 0.24      
23 A" 3120 2946 22.41      
24 A" 1534 1449 5.86      
25 A" 1092 1031 1.00      
26 A" 1023 966 15.40      
27 A" 978 923 3.24      
28 A" 921 870 38.74      
29 A" 799 754 10.36      
30 A" 635 600 23.52      
31 A" 353 333 0.16      
32 A" 116 109 0.00      
33 A" 102 97 0.38      

Unscaled Zero Point Vibrational Energy (zpe) 25216.8 cm-1
Scaled (by 0.9443) Zero Point Vibrational Energy (zpe) 23812.2 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 CCSD/6-31G*
ABC
0.52815 0.08738 0.07604

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.399 0.152 0.000
C2 1.109 -0.220 0.000
C3 0.000 0.741 0.000
C4 -1.316 0.455 0.000
C5 -1.961 -0.905 0.000
H6 2.693 1.201 0.000
H7 3.206 -0.577 0.000
H8 0.866 -1.282 0.000
H9 0.296 1.792 0.000
H10 -2.013 1.295 0.000
H11 -1.232 -1.720 0.000
H12 -2.603 -1.025 0.883
H13 -2.603 -1.025 -0.883

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.34332.47063.72734.48661.08941.08742.09932.66734.55784.08585.21445.2144
C21.34331.46682.51623.14502.12812.12761.08972.16983.46942.78043.89923.8992
C32.47061.46681.34632.55992.73193.46642.20081.09222.08762.75253.26713.2671
C43.72732.51621.34631.50494.07734.63782.78892.09421.09172.17692.15122.1512
C54.48663.14502.55991.50495.10815.17722.85243.51672.20031.09391.09831.0983
H61.08942.12812.73194.07735.10811.85103.08272.46864.70654.89295.81225.8122
H71.08742.12763.46644.63785.17721.85102.44343.75265.54444.58285.89275.8927
H82.09931.08972.20082.78892.85243.08272.44343.12683.86402.14383.58923.5892
H92.66732.16981.09222.09423.51672.46863.75263.12682.36173.83064.13784.1378
H104.55783.46942.08761.09172.20034.70655.54443.86402.36173.11482.55162.5516
H114.08582.78042.75252.17691.09394.89294.58282.14383.83063.11481.77271.7727
H125.21443.89923.26712.15121.09835.81225.89273.58924.13782.55161.77271.7659
H135.21443.89923.26712.15121.09835.81225.89273.58924.13782.55161.77271.7659

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 123.023 C1 C2 H8 118.905
C2 C1 H6 121.692 C2 C1 H7 121.808
C2 C3 C4 126.822 C2 C3 H9 115.185
C3 C2 H8 118.071 C3 C4 C5 127.661
C3 C4 H10 117.421 C4 C3 H9 117.994
C4 C5 H11 112.825 C4 C5 H12 110.472
C4 C5 H13 110.472 C5 C4 H10 114.918
H6 C1 H7 116.501 H11 C5 H12 107.921
H11 C5 H13 107.921 H12 C5 H13 107.009
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability