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All results from a given calculation for C5H8 (1,4-Pentadiene)

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 C2 1A
Energy calculated at MP2/6-311G**
 hartrees
Energy at 0K-194.711988
Energy at 298.15K-194.719509
HF Energy-193.996673
Nuclear repulsion energy155.300268
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 3276 3113 12.24      
2 A 3186 3027 3.59      
3 A 3173 3015 3.64      
4 A 3063 2910 20.71      
5 A 1699 1615 0.73      
6 A 1492 1417 6.44      
7 A 1455 1383 0.01      
8 A 1317 1252 0.16      
9 A 1270 1207 0.03      
10 A 1084 1030 2.82      
11 A 1024 973 16.70      
12 A 924 878 1.98      
13 A 912 866 38.42      
14 A 682 649 10.93      
15 A 371 353 0.41      
16 A 305 289 0.20      
17 A 87 83 0.02      
18 A 3276 3113 15.68      
19 A 3185 3027 9.54      
20 A 3173 3015 19.40      
21 A 3119 2964 12.63      
22 A 1689 1605 13.25      
23 A 1461 1388 4.18      
24 A 1330 1264 0.22      
25 A 1302 1237 2.90      
26 A 1184 1125 2.77      
27 A 1024 973 20.71      
28 A 983 934 2.41      
29 A 911 865 34.03      
30 A 898 853 6.60      
31 A 607 576 12.08      
32 A 453 430 2.30      
33 A 99 94 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 25005.4 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 23760.1 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
0.63247 0.07952 0.07893

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.694
C2 0.000 1.240 -0.161
C3 0.000 -1.240 -0.161
C4 1.002 2.129 -0.204
C5 -1.002 -2.129 -0.204
H6 -0.886 -0.009 1.341
H7 0.886 0.009 1.341
H8 -0.874 1.382 -0.797
H9 0.874 -1.382 -0.797
H10 0.962 2.997 -0.853
H11 -0.962 -2.997 -0.853
H12 1.886 2.006 0.416
H13 -1.886 -2.006 0.416

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.50651.50652.51812.51811.09721.09722.21282.21283.50713.50712.76722.7672
C21.50652.48051.33983.51512.14532.13521.08982.83642.11894.39982.11583.7983
C31.50652.48053.51511.33982.13522.14532.83641.08984.39982.11893.79832.1158
C42.51811.33983.51514.70553.24322.62572.10403.56321.08505.52741.08675.0811
C52.51813.51511.33984.70552.62573.24323.56322.10405.52741.08505.08111.0867
H61.09722.14532.13523.24322.62571.77182.55083.09114.15483.70823.54942.4175
H71.09722.13522.14532.62573.24321.77183.09112.55083.70824.15482.41753.5494
H82.21281.08982.83642.10403.56322.55083.09113.27072.44534.38073.07843.7383
H92.21282.83641.08983.56322.10403.09112.55083.27074.38072.44533.73833.0784
H103.50712.11894.39981.08505.52744.15483.70822.44534.38076.29531.85685.8948
H113.50714.39982.11895.52741.08503.70824.15484.38072.44536.29535.89481.8568
H122.76722.11583.79831.08675.08113.54942.41753.07843.73831.85685.89485.5065
H132.76723.79832.11585.08111.08672.41753.54943.73833.07845.89481.85685.5065

picture of 1,4-Pentadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 124.326 C1 C2 H8 116.005
C1 C3 C5 124.326 C1 C3 H9 116.005
C2 C1 C3 110.829 C2 C1 H6 109.965
C2 C1 H7 109.170 C2 C4 H10 121.464
C2 C4 H12 121.024 C3 C1 H6 109.170
C3 C1 H7 109.965 C3 C5 H11 121.464
C3 C5 H13 121.024 C4 C2 H8 119.647
C5 C3 H9 119.647 H6 C1 H7 107.683
H10 C4 H12 117.512 H11 C5 H13 117.512
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability