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

using model chemistry: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-195.256121
Energy at 298.15K-195.263651
Nuclear repulsion energy155.431003
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 mPW1PW91/6-31G**
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 3268 3110 14.71      
2 A 3187 3032 4.60      
3 A 3174 3020 4.94      
4 A 3052 2904 21.41      
5 A 1752 1667 0.71      
6 A 1486 1414 6.94      
7 A 1458 1387 0.08      
8 A 1328 1263 0.03      
9 A 1271 1210 0.06      
10 A 1095 1042 1.77      
11 A 1041 990 9.55      
12 A 952 906 40.09      
13 A 923 878 4.82      
14 A 687 653 9.00      
15 A 374 355 0.47      
16 A 297 283 0.13      
17 A 87 83 0.01      
18 A 3268 3110 18.25      
19 A 3186 3031 11.12      
20 A 3174 3020 23.76      
21 A 3102 2951 14.13      
22 A 1739 1655 20.61      
23 A 1464 1393 3.96      
24 A 1339 1275 0.05      
25 A 1307 1244 4.67      
26 A 1181 1124 3.90      
27 A 1044 993 13.95      
28 A 984 936 2.99      
29 A 950 904 38.31      
30 A 899 856 9.47      
31 A 617 587 11.17      
32 A 454 432 2.88      
33 A 102 97 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 25120.9 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 23902.5 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 mPW1PW91/6-31G**
ABC
0.67038 0.07847 0.07786

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.662
C2 0.000 1.247 -0.179
C3 0.000 -1.247 -0.179
C4 0.959 2.168 -0.174
C5 -0.959 -2.168 -0.174
H6 -0.882 -0.009 1.314
H7 0.882 0.009 1.314
H8 -0.856 1.367 -0.841
H9 0.856 -1.367 -0.841
H10 0.908 3.047 -0.808
H11 -0.908 -3.047 -0.808
H12 1.830 2.078 0.468
H13 -1.830 -2.078 0.468

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.50361.50362.51402.51401.09681.09682.20452.20453.50283.50282.77622.7762
C21.50362.49331.33003.54692.14032.13031.08872.82912.11234.43342.11193.8502
C31.50362.49333.54691.33002.13032.14032.82911.08874.43342.11233.85022.1119
C42.51401.33003.54694.74153.21602.62382.09253.59911.08465.57531.08645.1211
C52.51403.54691.33004.74152.62383.21603.59912.09255.57531.08465.12111.0864
H61.09682.14032.13033.21602.62381.76432.55633.08344.12843.70603.52532.4286
H71.09682.13032.14032.62383.21601.76433.08342.55633.70604.12842.42863.5253
H82.20451.08872.82912.09253.59912.55633.08343.22622.43594.41463.07153.8125
H92.20452.82911.08873.59912.09253.08342.55633.22624.41462.43593.81253.0715
H103.50282.11234.43341.08465.57534.12843.70602.43594.41466.35871.84875.9495
H113.50284.43342.11235.57531.08463.70604.12844.41462.43596.35875.94951.8487
H122.77622.11193.85021.08645.12113.52532.42863.07153.81251.84875.94955.5388
H132.77623.85022.11195.12111.08642.42863.52533.81253.07155.94951.84875.5388

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 124.938 C1 C2 H8 115.584
C1 C3 C5 124.938 C1 C3 H9 115.584
C2 C1 C3 112.018 C2 C1 H6 109.798
C2 C1 H7 109.009 C2 C4 H10 121.717
C2 C4 H12 121.528 C3 C1 H6 109.009
C3 C1 H7 109.798 C3 C5 H11 121.717
C3 C5 H13 121.528 C4 C2 H8 119.472
C5 C3 H9 119.472 H6 C1 H7 107.084
H10 C4 H12 116.754 H11 C5 H13 116.754
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.326      
2 C -0.057      
3 C -0.057      
4 C -0.300      
5 C -0.300      
6 H 0.141      
7 H 0.141      
8 H 0.128      
9 H 0.128      
10 H 0.129      
11 H 0.129      
12 H 0.122      
13 H 0.122      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.077 0.077
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x 0.924 0.899 0.000
y 0.899 -0.210 0.000
z 0.000 0.000 -0.715
Traceless
 xyz
x 1.386 0.899 0.000
y 0.899 -0.314 0.000
z 0.000 0.000 -1.072
Polar
3z2-r2-2.144
x2-y21.134
xy0.899
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.922 3.098 0.000
y 3.098 10.010 0.000
z 0.000 0.000 5.457


<r2> (average value of r2) Å2
<r2> 157.811
(<r2>)1/2 12.562