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

using model chemistry: MP2/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-311G*
 hartrees
Energy at 0K-194.658974
Energy at 298.15K-194.666380
HF Energy-193.987864
Nuclear repulsion energy154.894247
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 MP2/6-311G*
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 3281 3118 13.81      
2 A 3187 3029 7.81      
3 A 3182 3024 37.72      
4 A 3176 3019 9.25      
5 A 3166 3009 12.18      
6 A 3164 3006 7.45      
7 A 3139 2983 18.82      
8 A 3067 2914 26.01      
9 A 1713 1627 5.64      
10 A 1681 1597 4.56      
11 A 1532 1456 13.62      
12 A 1517 1442 9.65      
13 A 1468 1395 5.10      
14 A 1449 1377 2.68      
15 A 1354 1287 0.08      
16 A 1344 1277 0.23      
17 A 1319 1254 0.64      
18 A 1160 1103 0.85      
19 A 1093 1039 0.60      
20 A 1080 1026 0.63      
21 A 1025 974 8.95      
22 A 1011 960 38.57      
23 A 976 928 25.55      
24 A 923 877 4.01      
25 A 903 858 45.66      
26 A 808 768 1.92      
27 A 665 632 6.74      
28 A 566 538 2.86      
29 A 393 373 1.51      
30 A 252 240 2.64      
31 A 215 204 0.90      
32 A 178 169 1.54      
33 A 149 141 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 25067.4 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 23821.5 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 MP2/6-311G*
ABC
0.59374 0.08335 0.07552

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.165 -0.606 -0.118
C2 1.464 0.517 0.113
C3 0.013 0.661 -0.098
C4 -0.895 -0.290 0.183
C5 -2.372 -0.157 -0.051
H6 1.694 -1.499 -0.520
H7 3.231 -0.659 0.079
H8 1.988 1.405 0.470
H9 -0.326 1.622 -0.489
H10 -0.554 -1.228 0.624
H11 -2.619 0.817 -0.479
H12 -2.729 -0.932 -0.737
H13 -2.929 -0.275 0.884

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.34392.49753.09074.55921.08671.08532.10243.36312.88625.00434.94375.2017
C21.34391.47352.49453.89822.12592.12231.09062.18852.71704.13694.51734.5299
C32.49751.47351.34492.52172.77003.48252.18521.09162.10102.66413.23523.2395
C43.09072.49451.34491.50112.94274.14353.35642.10551.09122.15352.14982.1513
C54.55923.89822.52171.50114.30745.62644.66012.74632.21511.09261.09481.0946
H61.08672.12592.77002.94274.30741.85133.08203.71872.53744.89634.46494.9843
H71.08532.12233.48254.14355.62641.85132.44014.26373.86626.05906.02186.2238
H82.10241.09062.18523.35644.66013.08202.44012.51443.66304.74025.40065.2119
H93.36312.18851.09162.10552.74633.71874.26372.51443.06882.43013.51593.5009
H102.88622.71702.10101.09122.21512.53743.86623.66303.06883.10892.58262.5721
H115.00434.13692.66412.15351.09264.89636.05904.74022.43013.10891.77181.7735
H124.94374.51733.23522.14981.09484.46496.02185.40063.51592.58261.77181.7601
H135.20174.52993.23952.15131.09464.98436.22385.21193.50092.57211.77351.7601

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 124.802 C1 C2 H8 119.082
C2 C1 H6 121.648 C2 C1 H7 121.414
C2 C3 C4 124.456 C2 C3 H9 116.327
C3 C2 H8 116.112 C3 C4 C5 124.672
C3 C4 H10 118.805 C4 C3 H9 119.203
C4 C5 H11 111.279 C4 C5 H12 110.853
C4 C5 H13 110.984 C5 C4 H10 116.519
H6 C1 H7 116.934 H11 C5 H12 108.194
H11 C5 H13 108.358 H12 C5 H13 107.017
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability