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

using model chemistry: CCD/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 CCD/6-31G*
 hartrees
Energy at 0K-194.637516
Energy at 298.15K-194.644920
HF Energy-193.952584
Nuclear repulsion energy154.740038
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 CCD/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 3273 3097 17.02      
2 A 3192 3021 5.60      
3 A 3182 3012 29.01      
4 A 3177 3007 20.46      
5 A 3164 2995 15.29      
6 A 3154 2985 11.83      
7 A 3129 2962 22.63      
8 A 3066 2902 26.14      
9 A 1775 1680 3.36      
10 A 1738 1645 2.54      
11 A 1548 1465 8.60      
12 A 1533 1451 6.41      
13 A 1490 1411 3.15      
14 A 1471 1393 1.44      
15 A 1377 1303 0.08      
16 A 1365 1292 0.45      
17 A 1342 1270 1.06      
18 A 1172 1109 0.77      
19 A 1107 1048 0.49      
20 A 1099 1040 0.70      
21 A 1034 978 8.40      
22 A 1022 967 29.75      
23 A 998 945 15.92      
24 A 936 886 25.12      
25 A 932 882 15.60      
26 A 825 781 1.54      
27 A 668 632 4.60      
28 A 573 542 2.00      
29 A 395 374 1.32      
30 A 250 237 2.08      
31 A 211 200 0.31      
32 A 181 171 1.10      
33 A 140 132 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 25257.5 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 23906.3 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 CCD/6-31G*
ABC
0.59801 0.08295 0.07517

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.169 -0.604 -0.116
C2 1.467 0.516 0.110
C3 0.010 0.660 -0.095
C4 -0.896 -0.291 0.180
C5 -2.375 -0.157 -0.051
H6 1.701 -1.505 -0.510
H7 3.238 -0.655 0.076
H8 1.988 1.408 0.466
H9 -0.328 1.623 -0.487
H10 -0.558 -1.236 0.612
H11 -2.623 0.825 -0.471
H12 -2.736 -0.927 -0.745
H13 -2.934 -0.281 0.887

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.34132.50113.09444.56631.08911.08802.10263.36572.89265.01234.95515.2100
C21.34131.47802.49763.90392.12782.12381.09272.19132.72494.14204.52534.5389
C32.50111.47801.34172.52172.77823.48952.18841.09352.10212.66463.23753.2427
C43.09442.49761.34171.50362.94864.15113.35952.10511.09282.15682.15602.1570
C54.56633.90392.52171.50364.31815.63694.66452.74792.21511.09611.09841.0982
H61.08912.12782.77822.94864.31811.85203.08633.72882.53694.91184.48064.9931
H71.08802.12383.48954.15115.63691.85202.44334.26853.87816.06946.03646.2361
H82.10261.09272.18843.35954.66453.08632.44332.51383.67434.74135.40755.2206
H93.36572.19131.09352.10512.74793.72884.26852.51383.07222.42983.51713.5075
H102.89262.72492.10211.09282.21512.53693.87813.67433.07223.11192.58472.5751
H115.01234.14202.66462.15681.09614.91186.06944.74132.42983.11191.77711.7784
H124.95514.52533.23752.15601.09844.48066.03645.40753.51712.58471.77711.7669
H135.21004.53893.24272.15701.09824.99316.23615.22063.50752.57511.77841.7669

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 124.961 C1 C2 H8 119.146
C2 C1 H6 121.865 C2 C1 H7 121.563
C2 C3 C4 124.618 C2 C3 H9 116.088
C3 C2 H8 115.890 C3 C4 C5 124.723
C3 C4 H10 119.060 C4 C3 H9 119.287
C4 C5 H11 111.156 C4 C5 H12 110.952
C4 C5 H13 111.044 C5 C4 H10 116.215
H6 C1 H7 116.570 H11 C5 H12 108.152
H11 C5 H13 108.284 H12 C5 H13 107.099
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability