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All results from a given calculation for C5H8 (1,2-Pentadiene)

using model chemistry: B3PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-195.231412
Energy at 298.15K-195.238730
Nuclear repulsion energy156.737212
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 B3PW91/6-31G(2df,p)
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 3210 3086 2.98      
2 A 3136 3015 5.92      
3 A 3134 3013 10.00      
4 A 3131 3010 24.47      
5 A 3131 3010 26.09      
6 A 3050 2933 19.00      
7 A 3049 2931 16.56      
8 A 3020 2903 34.70      
9 A 2080 1999 28.57      
10 A 1496 1438 5.53      
11 A 1487 1430 6.66      
12 A 1486 1429 0.76      
13 A 1467 1411 2.94      
14 A 1408 1354 4.18      
15 A 1367 1315 14.38      
16 A 1341 1289 1.94      
17 A 1281 1232 0.04      
18 A 1157 1112 1.71      
19 A 1097 1055 2.31      
20 A 1089 1047 2.67      
21 A 1017 977 0.14      
22 A 999 961 0.61      
23 A 907 872 11.82      
24 A 871 838 46.82      
25 A 858 825 3.77      
26 A 787 756 2.94      
27 A 639 615 2.33      
28 A 527 507 3.83      
29 A 360 346 2.82      
30 A 345 332 5.34      
31 A 245 235 0.08      
32 A 150 145 0.22      
33 A 104 100 0.19      

Unscaled Zero Point Vibrational Energy (zpe) 24712.4 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 23758.5 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 B3PW91/6-31G(2df,p)
ABC
0.34257 0.10665 0.08531

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.373 0.504 0.000
C2 1.509 -1.013 -0.000
C3 -0.048 1.010 -0.000
C4 -1.121 0.269 -0.001
C5 -2.197 -0.465 0.000
H6 1.890 0.928 -0.873
H7 1.890 0.928 0.873
H8 1.032 -1.451 0.882
H9 2.563 -1.309 0.000
H10 1.032 -1.450 -0.882
H11 -0.175 2.093 0.000
H12 -2.667 -0.785 0.928
H13 -2.669 -0.785 -0.925

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.52311.50842.50503.69981.09921.09922.17152.16852.17142.21894.34124.3433
C21.52312.55272.92553.74672.16172.16171.09431.09411.09433.53364.28424.2861
C31.50842.55271.30422.60722.12662.12652.82823.49172.82811.09083.30813.3097
C42.50502.92551.30421.30303.20283.20302.89294.00692.89252.05512.08892.0891
C53.69983.74672.60721.30304.40554.40493.48934.83403.48993.26121.08741.0874
H61.09922.16172.12663.20284.40551.74593.07772.49372.52822.52695.19044.8711
H71.09922.16172.12653.20304.40491.74592.52812.49383.07762.52674.86805.1917
H82.17151.09432.82822.89293.48933.07772.52811.77211.76433.84643.75874.1724
H92.16851.09413.49174.00694.83402.49372.49381.77211.77214.36725.33715.3390
H102.17141.09432.82812.89253.48992.52823.07761.76431.77213.84644.17193.7613
H112.21893.53361.09082.05513.26122.52692.52673.84644.36723.84643.91833.9199
H124.34124.28423.30812.08891.08745.19044.86803.75875.33714.17193.91831.8528
H134.34334.28613.30972.08911.08744.87115.19174.17245.33903.76133.91991.8528

picture of 1,2-Pentadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H8 111.064 C1 C2 H9 110.836
C1 C2 H10 111.063 C1 C3 C4 125.755
C1 C3 H11 116.315 C2 C1 C3 114.720
C2 C1 H6 109.994 C2 C1 H7 109.994
C3 C1 H6 108.262 C3 C1 H7 108.256
C3 C4 C5 179.624 C4 C3 H11 117.930
C4 C5 H12 121.565 C4 C5 H13 121.586
H6 C1 H7 105.159 H8 C2 H9 108.148
H8 C2 H10 107.444 H9 C2 H10 108.148
H12 C5 H13 116.849
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.254      
2 C -0.449      
3 C -0.322      
4 C 0.412      
5 C -0.544      
6 H 0.138      
7 H 0.138      
8 H 0.148      
9 H 0.136      
10 H 0.148      
11 H 0.139      
12 H 0.156      
13 H 0.155      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.429 0.072 0.001 0.435
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.693 1.771 -0.001
y 1.771 -30.807 0.000
z -0.001 0.000 -31.228
Traceless
 xyz
x 1.324 1.771 -0.001
y 1.771 -0.346 0.000
z -0.001 0.000 -0.978
Polar
3z2-r2-1.956
x2-y21.114
xy1.771
xz-0.001
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.253 2.210 -0.001
y 2.210 7.699 -0.007
z -0.001 -0.007 5.818


<r2> (average value of r2) Å2
<r2> 144.294
(<r2>)1/2 12.012