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

using model chemistry: MP2/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-194.677270
Energy at 298.15K-194.684794
HF Energy-193.971424
Nuclear repulsion energy154.388591
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/aug-cc-pVDZ
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 3277 3143 10.61      
2 A 3186 3055 3.78      
3 A 3170 3040 2.16      
4 A 3048 2923 18.59      
5 A 1687 1618 0.91      
6 A 1462 1402 4.86      
7 A 1439 1380 0.63      
8 A 1308 1254 0.16      
9 A 1255 1203 0.13      
10 A 1077 1032 4.36      
11 A 1010 968 17.41      
12 A 935 897 35.74      
13 A 918 880 1.75      
14 A 681 653 11.72      
15 A 367 352 0.54      
16 A 303 291 0.16      
17 A 88 84 0.03      
18 A 3277 3143 13.48      
19 A 3185 3055 8.95      
20 A 3170 3040 17.55      
21 A 3108 2980 12.02      
22 A 1676 1608 20.18      
23 A 1448 1389 3.25      
24 A 1314 1260 0.58      
25 A 1281 1228 2.59      
26 A 1171 1123 3.17      
27 A 1011 970 22.07      
28 A 979 938 2.17      
29 A 935 897 34.02      
30 A 886 850 6.02      
31 A 608 583 12.30      
32 A 450 432 2.89      
33 A 102 98 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 24905.7 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 23884.6 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/aug-cc-pVDZ
ABC
0.62851 0.07860 0.07799

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.695
C2 0.000 1.243 -0.164
C3 0.000 -1.243 -0.164
C4 1.006 2.144 -0.201
C5 -1.006 -2.144 -0.201
H6 -0.893 -0.012 1.346
H7 0.893 0.012 1.346
H8 -0.875 1.387 -0.811
H9 0.875 -1.387 -0.811
H10 0.962 3.018 -0.856
H11 -0.962 -3.018 -0.856
H12 1.894 2.026 0.428
H13 -1.894 -2.026 0.428

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.51151.51152.53252.53251.10461.10462.22662.22663.52723.52722.78562.7856
C21.51152.48651.35093.53402.15692.14321.09762.84612.13414.42302.13263.8238
C31.51152.48653.53401.35092.14322.15692.84611.09764.42302.13413.82382.1326
C42.53251.35093.53404.73713.26292.63702.11743.58571.09285.56351.09465.1176
C52.53253.53401.35094.73712.63703.26293.58572.11745.56351.09285.11761.0946
H61.10462.15692.14323.26292.63701.78572.57063.10924.17963.72703.57172.4288
H71.10462.14322.15692.63703.26291.78573.10922.57063.72704.17962.42883.5717
H82.22661.09762.84612.11743.58572.57063.10923.27912.45734.40573.09983.7703
H92.22662.84611.09763.58572.11743.10922.57063.27914.40572.45733.77033.0998
H103.52722.13414.42301.09285.56354.17963.72702.45734.40576.33541.87135.9364
H113.52724.42302.13415.56351.09283.72704.17964.40572.45736.33545.93641.8713
H122.78562.13263.82381.09465.11763.57172.42883.09983.77031.87135.93645.5456
H132.78563.82382.13265.11761.09462.42883.57173.77033.09985.93641.87135.5456

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 124.353 C1 C2 H8 116.268
C1 C3 C5 124.353 C1 C3 H9 116.268
C2 C1 C3 110.682 C2 C1 H6 110.100
C2 C1 H7 109.028 C2 C4 H10 121.330
C2 C4 H12 121.042 C3 C1 H6 109.028
C3 C1 H7 110.100 C3 C5 H11 121.330
C3 C5 H13 121.042 C4 C2 H8 119.359
C5 C3 H9 119.359 H6 C1 H7 107.856
H10 C4 H12 117.627 H11 C5 H13 117.627
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.361      
2 C 0.469      
3 C 0.469      
4 C 0.296      
5 C 0.296      
6 H -0.041      
7 H -0.041      
8 H -0.379      
9 H -0.379      
10 H -0.259      
11 H -0.259      
12 H -0.268      
13 H -0.268      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.617 2.416 0.000
y 2.416 11.659 0.000
z 0.000 0.000 7.883


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000