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All results from a given calculation for C5H8 (2,3-Pentadiene)

using model chemistry: mPW1PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-311G**
 hartrees
Energy at 0K-195.290614
Energy at 298.15K-195.297708
Nuclear repulsion energy152.638952
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 mPW1PW91/6-311G**
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 3153 3017 15.44      
2 A 3135 2999 2.05      
3 A 3103 2969 21.42      
4 A 3046 2914 7.52      
5 A 1521 1455 3.57      
6 A 1486 1422 7.27      
7 A 1453 1390 0.25      
8 A 1405 1344 3.04      
9 A 1172 1122 0.08      
10 A 1096 1048 1.72      
11 A 1059 1013 0.08      
12 A 909 870 24.92      
13 A 834 798 0.00      
14 A 546 522 4.74      
15 A 297 284 1.10      
16 A 180 172 0.01      
17 A 139 133 2.09      
18 A 3153 3017 34.67      
19 A 3133 2997 1.32      
20 A 3103 2969 20.91      
21 A 3045 2913 71.87      
22 A 2089 1999 14.96      
23 A 1494 1429 10.73      
24 A 1485 1421 7.66      
25 A 1403 1342 3.79      
26 A 1309 1253 20.92      
27 A 1108 1060 2.12      
28 A 1056 1011 0.67      
29 A 972 930 17.22      
30 A 716 685 18.30      
31 A 575 550 14.56      
32 A 229 219 0.92      
33 A 161 154 1.65      

Unscaled Zero Point Vibrational Energy (zpe) 24782.1 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 23709.0 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 mPW1PW91/6-311G**
ABC
0.58227 0.07479 0.07233

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.410
C2 0.000 1.304 0.410
C3 0.000 -1.304 0.410
C4 -0.871 2.166 -0.457
C5 0.871 -2.166 -0.457
H6 0.680 1.817 1.089
H7 -0.680 -1.817 1.089
H8 -1.508 2.812 0.153
H9 -0.263 2.820 -1.091
H10 -1.510 1.562 -1.100
H11 1.508 -2.812 0.153
H12 0.263 -2.820 -1.091
H13 1.510 -1.562 -1.100

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.30391.30392.49052.49052.05532.05533.20153.20462.64553.20153.20462.6455
C21.30392.60791.50153.68151.08893.26522.14842.14922.15144.39144.39603.5740
C31.30392.60793.68151.50153.26521.08894.39144.39603.57402.14842.14922.1514
C42.49051.50153.68154.66942.21764.27711.09401.09391.08985.55155.15224.4698
C52.49053.68151.50154.66944.27712.21765.55155.15224.46981.09401.09391.0898
H62.05531.08893.26522.21764.27713.87922.57942.57813.10704.79495.14004.1106
H72.05533.26521.08894.27712.21763.87924.79495.14004.11062.57942.57813.1070
H83.20152.14844.39141.09405.55152.57944.79491.75991.77076.38246.03355.4602
H93.20462.14924.39601.09395.15222.57815.14001.75991.77136.03355.66364.7265
H102.64552.15143.57401.08984.46983.10704.11061.77071.77135.46024.72654.3448
H113.20154.39142.14845.55151.09404.79492.57946.38246.03355.46021.75991.7707
H123.20464.39602.14925.15221.09395.14002.57816.03355.66364.72651.75991.7713
H132.64553.57402.15144.46981.08984.11063.10705.46024.72654.34481.77071.7713

picture of 2,3-Pentadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 125.031 C1 C2 H6 118.112
C1 C3 C5 125.031 C1 C3 H7 118.112
C2 C1 C3 179.939 C2 C4 H8 110.757
C2 C4 H9 110.823 C2 C4 H10 111.249
C3 C5 H11 110.757 C3 C5 H12 110.823
C3 C5 H13 111.249 C4 C2 H6 116.857
C5 C3 H7 116.857 H8 C4 H9 107.104
H8 C4 H10 108.356 H9 C4 H10 108.412
H11 C5 H12 107.104 H11 C5 H13 108.356
H12 C5 H13 108.412
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.050      
2 C -0.234      
3 C -0.234      
4 C -0.312      
5 C -0.312      
6 H 0.132      
7 H 0.132      
8 H 0.130      
9 H 0.130      
10 H 0.130      
11 H 0.130      
12 H 0.130      
13 H 0.130      


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 -0.210 0.210
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.010 -0.193 0.000
y -0.193 -27.636 0.000
z 0.000 0.000 -32.193
Traceless
 xyz
x -2.095 -0.193 0.000
y -0.193 4.465 0.000
z 0.000 0.000 -2.370
Polar
3z2-r2-4.739
x2-y2-4.373
xy-0.193
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.442 -1.104 0.000
y -1.104 13.896 0.000
z 0.000 0.000 6.318


<r2> (average value of r2) Å2
<r2> 171.059
(<r2>)1/2 13.079