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All results from a given calculation for C5H8 (1,3-Butadiene, 2-methyl-)

using model chemistry: PBEPBE/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/Def2TZVPP
 hartrees
Energy at 0K-195.106805
Energy at 298.15K-195.114312
HF Energy-195.106805
Nuclear repulsion energy160.061186
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 PBEPBE/Def2TZVPP
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' 3165 3127 11.97      
2 A' 3159 3120 10.18      
3 A' 3081 3044 2.75      
4 A' 3072 3035 10.26      
5 A' 3066 3029 8.43      
6 A' 3058 3021 15.85      
7 A' 2964 2928 17.97      
8 A' 1642 1622 2.67      
9 A' 1609 1589 27.57      
10 A' 1448 1431 6.61      
11 A' 1407 1390 3.19      
12 A' 1384 1367 2.22      
13 A' 1358 1342 8.59      
14 A' 1298 1282 0.93      
15 A' 1279 1264 0.35      
16 A' 1053 1040 3.08      
17 A' 977 965 0.25      
18 A' 938 926 1.42      
19 A' 784 774 0.10      
20 A' 520 514 0.11      
21 A' 414 409 1.50      
22 A' 267 264 0.86      
23 A" 3017 2980 12.05      
24 A" 1428 1410 8.88      
25 A" 1029 1017 0.07      
26 A" 991 979 15.79      
27 A" 894 883 32.78      
28 A" 884 873 44.67      
29 A" 763 754 0.37      
30 A" 623 616 0.03      
31 A" 399 395 9.84      
32 A" 191 189 0.51      
33 A" 162 160 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 24161.9 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 23869.5 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 PBEPBE/Def2TZVPP
ABC
0.28444 0.13881 0.09494

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.589 1.739 0.000
C2 0.000 0.528 0.000
C3 -0.826 -0.686 0.000
C4 -0.369 -1.949 0.000
C5 1.498 0.370 0.000
H6 -1.675 1.844 0.000
H7 -0.008 2.662 0.000
H8 -1.906 -0.509 0.000
H9 0.695 -2.186 0.000
H10 -1.054 -2.796 0.000
H11 1.995 1.348 0.000
H12 1.835 -0.190 0.885
H13 1.835 -0.190 -0.885

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.34692.43693.69472.49641.09131.09082.60584.13014.55962.61323.22213.2221
C21.34691.46852.50431.50652.13032.13432.17002.80183.48782.15632.16022.1602
C32.43691.46851.34272.55282.66873.44691.09432.13642.12273.47722.84802.8480
C43.69472.50431.34272.97734.01124.62532.10561.09081.09004.05632.95592.9559
C52.49641.50652.55282.97733.49912.74293.51582.67914.06731.09631.09971.0997
H61.09132.13032.66874.01123.49911.85742.36444.67554.68173.70334.15254.1525
H71.09082.13433.44694.62532.74291.85743.69624.89915.55832.39563.50933.5093
H82.60582.17001.09432.10563.51582.36443.69623.09492.44054.31993.85773.8577
H94.13012.80182.13641.09082.67914.67554.89913.09491.85333.76482.46312.4631
H104.55963.48782.12271.09004.06734.68175.55832.44051.85335.14493.99113.9911
H112.61322.15633.47724.05631.09633.70332.39564.31993.76485.14491.78071.7807
H123.22212.16022.84802.95591.09974.15253.50933.85772.46313.99111.78071.7691
H133.22212.16022.84802.95591.09974.15253.50933.85772.46313.99111.78071.7691

picture of 1,3-Butadiene, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 119.837 C1 C2 C5 121.962
C2 C1 H6 121.434 C2 C1 H7 121.872
C2 C3 C4 125.892 C2 C3 H8 114.928
C2 C5 H11 110.895 C2 C5 H12 110.997
C2 C5 H13 110.997 C3 C2 C5 118.201
C3 C4 H9 122.441 C3 C4 H10 121.169
C4 C3 H8 119.180 H6 C1 H7 116.695
H9 C4 H10 116.390 H11 C5 H12 108.363
H11 C5 H13 108.363 H12 C5 H13 107.090
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.187      
2 C 0.049      
3 C -0.100      
4 C -0.201      
5 C -0.232      
6 H 0.080      
7 H 0.082      
8 H 0.079      
9 H 0.075      
10 H 0.097      
11 H 0.076      
12 H 0.091      
13 H 0.091      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.295 0.016 0.000 0.295
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.935 0.125 0.000
y 0.125 -30.608 0.000
z 0.000 0.000 -35.230
Traceless
 xyz
x 2.985 0.125 0.000
y 0.125 1.974 0.000
z 0.000 0.000 -4.959
Polar
3z2-r2-9.917
x2-y20.674
xy0.125
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.304 -0.754 0.000
y -0.754 14.184 0.000
z 0.000 0.000 6.196


<r2> (average value of r2) Å2
<r2> 132.116
(<r2>)1/2 11.494