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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-194.332048
Energy at 298.15K-194.339407
HF Energy-193.884111
Nuclear repulsion energy151.780713
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 3260 3119 22.83      
2 A 3167 3030 5.44      
3 A 3150 3014 73.30      
4 A 3145 3010 1.11      
5 A 3132 2997 6.56      
6 A 3129 2994 7.06      
7 A 3045 2913 31.72      
8 A 1721 1646 4.03      
9 A 1660 1588 2.26      
10 A 1571 1503 6.44      
11 A 1508 1443 1.64      
12 A 1489 1425 3.55      
13 A 1379 1320 2.19      
14 A 1358 1300 0.45      
15 A 1352 1293 0.78      
16 A 1240 1187 0.79      
17 A 1124 1075 1.35      
18 A 1022 978 5.96      
19 A 935 895 2.98      
20 A 488 467 0.01      
21 A 461 441 0.16      
22 A 200 191 0.98      
23 A 3115 2980 27.87      
24 A 1551 1484 6.81      
25 A 1116 1068 0.04      
26 A 1027 982 55.33      
27 A 974 932 6.44      
28 A 914 875 45.40      
29 A 810 775 1.84      
30 A 630 603 1.88      
31 A 244 233 3.08      
32 A 191 182 0.02      
33 A 120 115 0.49      

Unscaled Zero Point Vibrational Energy (zpe) 25112.9 cm-1
Scaled (by 0.9568) Zero Point Vibrational Energy (zpe) 24028.0 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 MP2/6-31G
ABC
0.93584 0.07028 0.06619

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 -2.444 0.790 0.000
C2 -1.428 -0.110 0.000
C3 0.000 0.251 0.000
C4 1.015 -0.654 0.000
C5 2.487 -0.301 0.000
H6 -2.256 1.865 0.000
H7 -3.488 0.481 0.000
H8 -1.661 -1.180 0.000
H9 0.238 1.322 0.000
H10 0.772 -1.722 0.000
H11 2.624 0.791 0.000
H12 2.997 -0.708 0.887
H13 2.997 -0.708 -0.887

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.35812.50303.74835.05071.09141.08872.12062.73394.08135.06845.71295.7129
C21.35811.47292.50223.91972.14252.14331.09512.19642.72714.15094.55214.5521
C32.50301.47291.35952.54762.77443.49562.19281.09652.11892.67893.26913.2691
C43.74832.50221.35951.51424.12864.64342.72712.12261.09572.16232.17212.1721
C55.05073.91972.54761.51425.21476.02614.24052.77352.22771.09971.10081.1008
H61.09142.14252.77444.12865.21471.85313.10332.55264.69484.99755.91665.9166
H71.08872.14333.49564.64346.02611.85312.46923.81934.79596.11996.65236.6523
H82.12061.09512.19282.72714.24053.10332.46923.14082.49274.71674.76504.7650
H92.73392.19641.09652.12262.77352.55263.81933.14083.09032.44493.53833.5383
H104.08132.72712.11891.09572.22774.69484.79592.49273.09033.12152.60082.6008
H115.06844.15092.67892.16231.09974.99756.11994.71672.44493.12151.78071.7807
H125.71294.55213.26912.17211.10085.91666.65234.76503.53832.60081.78071.7730
H135.71294.55213.26912.17211.10085.91666.65234.76503.53832.60081.78071.7730

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 124.248 C1 C2 H8 119.249
C2 C1 H6 121.634 C2 C1 H7 121.935
C2 C3 C4 124.071 C2 C3 H9 116.718
C3 C2 H8 116.503 C3 C4 C5 124.797
C3 C4 H10 118.924 C4 C3 H9 119.210
C4 C5 H11 110.632 C4 C5 H12 111.343
C4 C5 H13 111.343 C5 C4 H10 116.279
H6 C1 H7 116.431 H11 C5 H12 108.039
H11 C5 H13 108.039 H12 C5 H13 107.288
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability