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

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 C1 1A'
Energy calculated at MP2/cc-pVTZ
 hartrees
Energy at 0K-194.854797
Energy at 298.15K-194.862225
HF Energy-194.029463
Nuclear repulsion energy153.806056
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' 3282 3116 8.27      
2 A' 3189 3028 10.08      
3 A' 3180 3020 29.75      
4 A' 3178 3017 6.06      
5 A' 3172 3012 1.15      
6 A' 3161 3001 4.00      
7 A' 3064 2909 25.08      
8 A' 1719 1632 9.45      
9 A' 1658 1575 3.98      
10 A' 1506 1430 8.18      
11 A' 1460 1386 4.55      
12 A' 1414 1343 3.19      
13 A' 1331 1264 3.05      
14 A' 1318 1251 0.24      
15 A' 1290 1225 1.39      
16 A' 1215 1153 0.78      
17 A' 1114 1058 0.03      
18 A' 992 942 7.95      
19 A' 912 866 4.87      
20 A' 482 457 0.02      
21 A' 448 425 0.32      
22 A' 194 184 1.54      
23 A" 3135 2976 13.18      
24 A" 1494 1419 6.38      
25 A" 1066 1012 0.48      
26 A" 1046 993 46.62      
27 A" 981 931 7.55      
28 A" 922 876 36.43      
29 A" 834 792 4.03      
30 A" 648 615 2.28      
31 A" 259 246 2.13      
32 A" 211 200 0.09      
33 A" 134 127 1.09      

Unscaled Zero Point Vibrational Energy (zpe) 25004.1 cm-1
Scaled (by 0.9495) Zero Point Vibrational Energy (zpe) 23741.4 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
0.95342 0.07245 0.06818

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 -2.413 0.768 0.000
C2 -1.407 -0.117 0.000
C3 0.000 0.253 0.000
C4 1.002 -0.638 0.000
C5 2.454 -0.286 0.000
H6 -2.225 1.833 0.000
H7 -3.445 0.449 0.000
H8 -1.627 -1.180 0.000
H9 0.225 1.316 0.000
H10 0.757 -1.696 0.000
H11 2.597 0.793 0.000
H12 2.954 -0.699 0.877
H13 2.954 -0.699 -0.877

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.33932.46723.69244.97961.08231.08022.09982.69474.01445.00985.63225.6322
C21.33931.45522.46453.86492.11492.11491.08512.17222.67884.10624.48644.4864
C32.46721.45521.34022.51242.72923.45072.16791.08622.09052.65233.22493.2249
C43.69242.46451.34021.49434.06404.57752.68392.10171.08612.14282.14112.1411
C54.97963.86492.51241.49435.13655.94464.17762.74422.20631.08851.09051.0905
H61.08232.11492.72924.06405.13651.84543.07182.50454.62024.93275.83105.8310
H71.08022.11493.45074.57755.94461.84542.44093.77154.71766.05176.56006.5600
H82.09981.08512.16792.68394.17763.07182.44093.10772.43914.66184.68884.6888
H92.69472.17221.08622.10172.74422.50453.77153.10773.05782.42823.50293.5029
H104.01442.67882.09051.08612.20634.62024.71762.43913.05783.09512.56712.5671
H115.00984.10622.65232.14281.08854.93276.05174.66182.42823.09511.76681.7668
H125.63224.48643.22492.14111.09055.83106.56004.68883.50292.56711.76681.7536
H135.63224.48643.22492.14111.09055.83106.56004.68883.50292.56711.76681.7536

picture of 1,3-Pentadiene, (E)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 123.933 C1 C2 H8 119.655
C2 C1 H6 121.333 C2 C1 H7 121.509
C2 C3 C4 123.625 C2 C3 H9 116.710
C3 C2 H8 116.411 C3 C4 C5 124.745
C3 C4 H10 118.620 C4 C3 H9 119.665
C4 C5 H11 111.154 C4 C5 H12 110.890
C4 C5 H13 110.890 C5 C4 H10 116.635
H6 C1 H7 117.158 H11 C5 H12 108.361
H11 C5 H13 108.361 H12 C5 H13 107.039
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability