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

using model chemistry: MP2/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at MP2/6-31G**
 hartrees
Energy at 0K-194.658190
Energy at 298.15K-194.665585
HF Energy-193.971459
Nuclear repulsion energy153.491358
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 MP2/6-31G**
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 3341 3129 13.10      
2 A 3242 3036 4.58      
3 A 3232 3027 48.81      
4 A 3229 3024 6.04      
5 A 3219 3015 3.50      
6 A 3216 3012 3.33      
7 A 3115 2917 27.89      
8 A 1759 1647 5.51      
9 A 1695 1588 1.81      
10 A 1552 1454 5.95      
11 A 1497 1401 1.62      
12 A 1463 1370 3.69      
13 A 1363 1276 2.46      
14 A 1348 1263 0.14      
15 A 1326 1242 2.08      
16 A 1241 1162 0.53      
17 A 1136 1063 0.21      
18 A 1014 949 6.53      
19 A 933 873 3.65      
20 A 488 457 0.01      
21 A 457 428 0.24      
22 A 197 185 1.36      
23 A 3194 2991 20.00      
24 A 1536 1439 5.08      
25 A 1088 1019 0.34      
26 A 1051 984 40.51      
27 A 988 925 4.09      
28 A 906 848 36.31      
29 A 816 764 1.93      
30 A 639 599 1.16      
31 A 251 235 2.19      
32 A 203 190 0.00      
33 A 128 120 0.64      

Unscaled Zero Point Vibrational Energy (zpe) 25429.3 cm-1
Scaled (by 0.9365) Zero Point Vibrational Energy (zpe) 23814.6 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 MP2/6-31G**
ABC
0.95064 0.07209 0.06784

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.411 0.790 0.000
C2 -1.411 -0.107 0.000
C3 0.000 0.250 0.000
C4 1.000 -0.650 0.000
C5 2.455 -0.303 0.000
H6 -2.210 1.854 0.000
H7 -3.447 0.484 0.000
H8 -1.646 -1.167 0.000
H9 0.240 1.310 0.000
H10 0.747 -1.707 0.000
H11 2.599 0.776 0.000
H12 2.958 -0.714 0.877
H13 2.958 -0.714 -0.877

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.34372.47053.70254.98701.08211.08012.10122.70104.02605.00955.64385.6438
C21.34371.45512.47113.87052.11752.12021.08572.17542.68624.10554.49674.4967
C32.47051.45511.34562.51652.73073.45462.17201.08692.09482.65153.23223.2322
C43.70252.47111.34561.49564.07134.58912.69622.10271.08662.14262.14632.1463
C54.98703.87052.51651.49565.13975.95394.19102.74052.21061.08921.09131.0913
H61.08212.11752.73074.07135.13971.84493.07282.50964.62874.92825.83695.8369
H71.08012.12023.45464.58915.95391.84492.44303.77774.73186.05246.57436.5743
H82.10121.08572.17202.69624.19103.07282.44303.11332.45364.66864.70874.7087
H92.70102.17541.08692.10272.74052.50963.77773.11333.05952.41863.50053.5005
H104.02602.68622.09481.08662.21064.62874.73182.45363.05953.09762.57742.5774
H115.00954.10552.65152.14261.08924.92826.05244.66862.41863.09761.76601.7660
H125.64384.49673.23222.14631.09135.83696.57434.70873.50052.57741.76601.7546
H135.64384.49673.23222.14631.09135.83696.57434.70873.50052.57741.76601.7546

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 123.895 C1 C2 H8 119.366
C2 C1 H6 121.223 C2 C1 H7 121.649
C2 C3 C4 123.799 C2 C3 H9 116.950
C3 C2 H8 116.739 C3 C4 C5 124.593
C3 C4 H10 118.537 C4 C3 H9 119.250
C4 C5 H11 111.001 C4 C5 H12 111.162
C4 C5 H13 111.162 C5 C4 H10 116.870
H6 C1 H7 117.128 H11 C5 H12 108.174
H11 C5 H13 108.174 H12 C5 H13 107.006
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability