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

using model chemistry: MP2/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-194.843764
Energy at 298.15K-194.851326
HF Energy-194.019578
Nuclear repulsion energy155.870094
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/cc-pVTZ
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 3111 8.82      
2 A 3189 3028 2.88      
3 A 3176 3015 2.71      
4 A 3064 2909 16.76      
5 A 1701 1615 0.74      
6 A 1483 1409 6.53      
7 A 1456 1383 0.10      
8 A 1320 1254 0.13      
9 A 1269 1205 0.08      
10 A 1087 1032 3.46      
11 A 1033 981 13.28      
12 A 944 896 37.72      
13 A 925 878 2.58      
14 A 689 654 10.75      
15 A 370 351 0.49      
16 A 303 288 0.13      
17 A 88 83 0.02      
18 A 3277 3111 11.35      
19 A 3189 3028 7.49      
20 A 3176 3015 15.12      
21 A 3119 2961 10.11      
22 A 1690 1604 17.70      
23 A 1461 1387 4.38      
24 A 1328 1261 0.36      
25 A 1299 1234 2.36      
26 A 1181 1122 3.03      
27 A 1036 984 18.05      
28 A 984 934 2.25      
29 A 943 895 35.71      
30 A 898 853 6.60      
31 A 619 588 11.76      
32 A 452 429 2.67      
33 A 103 98 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 25064.4 cm-1
Scaled (by 0.9495) Zero Point Vibrational Energy (zpe) 23798.7 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/cc-pVTZ
ABC
0.64473 0.07985 0.07925

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.685
C2 0.000 1.237 -0.165
C3 0.000 -1.237 -0.165
C4 0.992 2.129 -0.196
C5 -0.992 -2.129 -0.196
H6 -0.882 -0.013 1.329
H7 0.882 0.013 1.329
H8 -0.864 1.378 -0.806
H9 0.864 -1.378 -0.806
H10 0.949 2.996 -0.840
H11 -0.949 -2.996 -0.840
H12 1.868 2.010 0.428
H13 -1.868 -2.010 0.428

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.50071.50072.50872.50871.09221.09222.20622.20623.49273.49272.75592.7559
C21.50072.47381.33453.50952.13832.12341.08472.82752.10924.38982.10663.7925
C31.50072.47383.50951.33452.12342.13832.82751.08474.38982.10923.79252.1066
C42.50871.33453.50954.69803.22872.61122.09263.56251.08025.51781.08215.0696
C52.50873.50951.33454.69802.61123.22873.56252.09265.51781.08025.06961.0821
H61.09222.13832.12343.22872.61121.76382.54813.07724.13603.68873.53052.4029
H71.09222.12342.13832.61123.22871.76383.07722.54813.68874.13602.40293.5305
H82.20621.08472.82752.09263.56252.54813.07723.25302.42964.37483.06313.7430
H92.20622.82751.08473.56252.09263.07722.54813.25304.37482.42963.74303.0631
H103.49272.10924.38981.08025.51784.13603.68872.42964.37486.28471.85015.8820
H113.49274.38982.10925.51781.08023.68874.13604.37482.42966.28475.88201.8501
H122.75592.10663.79251.08215.06963.53052.40293.06313.74301.85015.88205.4879
H132.75593.79252.10665.06961.08212.40293.53053.74303.06315.88201.85015.4879

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 124.358 C1 C2 H8 116.217
C1 C3 C5 124.358 C1 C3 H9 116.217
C2 C1 C3 111.011 C2 C1 H6 110.107
C2 C1 H7 108.932 C2 C4 H10 121.377
C2 C4 H12 120.969 C3 C1 H6 108.932
C3 C1 H7 110.107 C3 C5 H11 121.377
C3 C5 H13 120.969 C4 C2 H8 119.407
C5 C3 H9 119.407 H6 C1 H7 107.692
H10 C4 H12 117.654 H11 C5 H13 117.654
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.132      
2 C -0.127      
3 C -0.127      
4 C -0.345      
5 C -0.345      
6 H 0.106      
7 H 0.106      
8 H 0.154      
9 H 0.154      
10 H 0.143      
11 H 0.143      
12 H 0.135      
13 H 0.135      


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 8.712 2.616 0.000
y 2.616 10.523 0.000
z 0.000 0.000 6.630


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