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

using model chemistry: B3PW91/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 B3PW91/cc-pVDZ
 hartrees
Energy at 0K-195.234208
Energy at 298.15K-195.241728
Nuclear repulsion energy154.851427
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 B3PW91/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 3241 3128 12.03      
2 A 3155 3044 3.96      
3 A 3141 3031 4.41      
4 A 3026 2920 20.75      
5 A 1729 1669 1.10      
6 A 1442 1392 6.19      
7 A 1419 1369 0.24      
8 A 1304 1259 0.14      
9 A 1249 1205 0.08      
10 A 1079 1041 1.65      
11 A 1025 990 8.98      
12 A 938 905 33.77      
13 A 912 880 4.24      
14 A 681 658 9.33      
15 A 370 357 0.43      
16 A 297 286 0.10      
17 A 90 87 0.01      
18 A 3241 3128 15.11      
19 A 3154 3044 10.49      
20 A 3141 3031 21.91      
21 A 3077 2969 12.54      
22 A 1715 1655 24.20      
23 A 1428 1378 4.49      
24 A 1317 1271 0.30      
25 A 1282 1237 4.86      
26 A 1165 1124 4.42      
27 A 1029 993 13.24      
28 A 976 942 2.87      
29 A 936 904 32.46      
30 A 887 856 9.81      
31 A 614 592 10.26      
32 A 450 434 3.06      
33 A 105 101 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 24806.8 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 23938.5 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 B3PW91/cc-pVDZ
ABC
0.66426 0.07798 0.07742

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.663
C2 0.000 1.250 -0.177
C3 0.000 -1.250 -0.177
C4 0.963 2.174 -0.177
C5 -0.963 -2.174 -0.177
H6 -0.889 -0.008 1.319
H7 0.889 0.008 1.319
H8 -0.865 1.375 -0.840
H9 0.865 -1.375 -0.840
H10 0.906 3.059 -0.815
H11 -0.906 -3.059 -0.815
H12 1.844 2.082 0.467
H13 -1.844 -2.082 0.467

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.50541.50542.52152.52151.10451.10452.21282.21283.51643.51642.78812.7881
C21.50542.49921.33483.55632.14632.13751.09722.84162.12234.44912.12323.8618
C31.50542.49923.55631.33482.13752.14632.84161.09724.44912.12233.86182.1232
C42.52151.33483.55634.75523.22862.63352.10253.61121.09315.59341.09505.1386
C52.52153.55631.33484.75522.63353.22863.61122.10255.59341.09315.13861.0950
H61.10452.14632.13753.22862.63351.77722.56353.09924.14503.72403.54392.4376
H71.10452.13752.14632.63353.22861.77723.09922.56353.72404.14502.43763.5439
H82.21281.09722.84162.10253.61122.56353.09923.24832.44464.43403.08993.8227
H92.21282.84161.09723.61122.10253.09922.56353.24834.43402.44463.82273.0899
H103.51642.12234.44911.09315.59344.14503.72402.44464.43406.38121.86515.9699
H113.51644.44912.12235.59341.09313.72404.14504.43402.44466.38125.96991.8651
H122.78812.12323.86181.09505.13863.54392.43763.08993.82271.86515.96995.5624
H132.78813.86182.12325.13861.09502.43763.54393.82273.08995.96991.86515.5624

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 125.085 C1 C2 H8 115.580
C1 C3 C5 125.085 C1 C3 H9 115.580
C2 C1 C3 112.206 C2 C1 H6 109.686
C2 C1 H7 109.001 C2 C4 H10 121.563
C2 C4 H12 121.489 C3 C1 H6 109.001
C3 C1 H7 109.686 C3 C5 H11 121.563
C3 C5 H13 121.489 C4 C2 H8 119.330
C5 C3 H9 119.330 H6 C1 H7 107.131
H10 C4 H12 116.947 H11 C5 H13 116.947
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.025      
2 C -0.115      
3 C -0.115      
4 C -0.033      
5 C -0.033      
6 H 0.041      
7 H 0.041      
8 H 0.018      
9 H 0.018      
10 H 0.043      
11 H 0.043      
12 H 0.034      
13 H 0.034      


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 0.111 0.111
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x 0.934 0.842 0.000
y 0.842 -0.244 0.000
z 0.000 0.000 -0.690
Traceless
 xyz
x 1.402 0.842 0.000
y 0.842 -0.367 0.000
z 0.000 0.000 -1.035
Polar
3z2-r2-2.070
x2-y21.179
xy0.842
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.384 3.117 0.000
y 3.117 10.605 0.000
z 0.000 0.000 5.921


<r2> (average value of r2) Å2
<r2> 158.996
(<r2>)1/2 12.609