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

using model chemistry: M06-2X/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at M06-2X/3-21G*
 hartrees
Energy at 0K-194.118615
Energy at 298.15K-194.126042
HF Energy-194.118615
Nuclear repulsion energy157.032174
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 M06-2X/3-21G*
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' 3154 2987 3.62      
2 A' 3133 2967 19.34      
3 A' 3124 2959 0.14      
4 A' 3053 2892 12.23      
5 A' 3040 2880 15.48      
6 A' 2122 2010 25.84      
7 A' 1566 1483 6.64      
8 A' 1549 1467 0.10      
9 A' 1531 1450 4.57      
10 A' 1462 1385 9.89      
11 A' 1414 1339 6.31      
12 A' 1357 1285 5.24      
13 A' 1180 1117 0.79      
14 A' 1108 1050 3.56      
15 A' 1019 965 2.23      
16 A' 943 894 72.45      
17 A' 857 812 1.75      
18 A' 651 617 2.35      
19 A' 375 356 4.44      
20 A' 156 148 0.44      
21 A" 3195 3026 0.96      
22 A" 3122 2957 17.14      
23 A" 3072 2910 6.50      
24 A" 1557 1475 9.77      
25 A" 1324 1254 0.00      
26 A" 1144 1083 2.80      
27 A" 1081 1024 0.51      
28 A" 937 887 17.85      
29 A" 818 775 7.14      
30 A" 543 514 4.55      
31 A" 337 319 9.06      
32 A" 249 235 0.01      
33 A" 110 104 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 25139.3 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 23812.0 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 M06-2X/3-21G*
ABC
0.33017 0.11080 0.08714

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.405 0.458 0.000
C2 -1.404 -1.080 0.000
C3 0.000 1.045 0.000
C4 1.090 0.325 0.000
C5 2.170 -0.407 0.000
H6 -1.940 0.831 0.882
H7 -1.940 0.831 -0.882
H8 -0.883 -1.459 -0.885
H9 -2.427 -1.466 0.000
H10 -0.883 -1.459 0.885
H11 0.080 2.130 0.000
H12 2.641 -0.724 -0.926
H13 2.641 -0.724 0.926

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.53821.52222.49763.67821.09761.09762.17442.17882.17442.23634.31554.3155
C21.53822.54682.86213.63712.17282.17281.09431.09341.09433.53694.16524.1652
C31.52222.54681.30582.61122.14222.14222.79803.49202.79801.08853.31083.3108
C42.49762.86211.30581.30553.19623.19622.80263.94632.80262.06822.08942.0894
C53.67823.63712.61121.30554.38324.38323.34844.71773.34843.28741.08611.0861
H61.09762.17282.14223.19624.38321.76403.07982.50882.52262.55885.16544.8388
H71.09762.17282.14223.19624.38321.76402.52262.50883.07982.55884.83885.1654
H82.17441.09432.79802.80263.34843.07982.52261.77951.76973.81973.60054.0301
H92.17881.09343.49203.94634.71772.50882.50881.77951.77954.38405.20555.2055
H102.17441.09432.79802.80263.34842.52263.07981.76971.77953.81974.03013.6005
H112.23633.53691.08852.06823.28742.55882.55883.81974.38403.81973.94473.9447
H124.31554.16523.31082.08941.08615.16544.83883.60055.20554.03013.94471.8523
H134.31554.16523.31082.08941.08614.83885.16544.03015.20553.60053.94471.8523

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 110.239 C1 C2 H9 110.637
C1 C2 H10 110.239 C1 C3 C4 123.881
C1 C3 H11 116.900 C2 C1 C3 112.645
C2 C1 H6 109.915 C2 C1 H7 109.915
C3 C1 H6 108.624 C3 C1 H7 108.624
C3 C4 C5 179.338 C4 C3 H11 119.219
C4 C5 H12 121.492 C4 C5 H13 121.492
H6 C1 H7 106.942 H8 C2 H9 108.867
H8 C2 H10 107.926 H9 C2 H10 108.867
H12 C5 H13 117.015
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.441      
2 C -0.568      
3 C -0.295      
4 C 0.081      
5 C -0.481      
6 H 0.215      
7 H 0.215      
8 H 0.204      
9 H 0.195      
10 H 0.204      
11 H 0.226      
12 H 0.222      
13 H 0.222      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.346 -0.015 0.000 0.347
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.813 -2.078 0.000
y -2.078 -31.326 0.000
z 0.000 0.000 -32.225
Traceless
 xyz
x 1.963 -2.078 0.000
y -2.078 -0.307 0.000
z 0.000 0.000 -1.656
Polar
3z2-r2-3.311
x2-y21.513
xy-2.078
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.066 -2.309 0.000
y -2.309 6.573 0.000
z 0.000 0.000 4.904


<r2> (average value of r2) Å2
<r2> 142.073
(<r2>)1/2 11.919