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

using model chemistry: B3LYP/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B3LYP/cc-pVDZ
 hartrees
Energy at 0K-195.296633
Energy at 298.15K-195.303941
Nuclear repulsion energy155.745554
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 B3LYP/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 3197 3101 3.48      
2 A 3117 3024 8.46      
3 A 3114 3021 8.59      
4 A 3110 3016 30.06      
5 A 3109 3016 28.95      
6 A 3036 2944 19.87      
7 A 3028 2938 20.92      
8 A 3005 2915 40.23      
9 A 2066 2004 30.43      
10 A 1477 1433 6.42      
11 A 1470 1426 0.73      
12 A 1464 1420 6.20      
13 A 1449 1406 2.87      
14 A 1402 1360 2.88      
15 A 1361 1320 16.86      
16 A 1336 1296 0.90      
17 A 1277 1238 0.05      
18 A 1150 1116 1.60      
19 A 1092 1059 2.23      
20 A 1084 1052 2.62      
21 A 1011 981 0.10      
22 A 1000 970 0.38      
23 A 893 867 12.29      
24 A 862 836 42.71      
25 A 851 825 7.72      
26 A 787 763 3.33      
27 A 635 616 2.53      
28 A 521 506 3.91      
29 A 359 349 2.58      
30 A 337 327 4.91      
31 A 252 244 0.05      
32 A 152 147 0.25      
33 A 103 100 0.26      

Unscaled Zero Point Vibrational Energy (zpe) 24553.9 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 23817.3 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 B3LYP/cc-pVDZ
ABC
0.34055 0.10476 0.08404

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.379 0.507 -0.000
C2 1.530 -1.013 0.000
C3 -0.050 1.011 0.000
C4 -1.131 0.267 -0.001
C5 -2.217 -0.469 0.000
H6 1.895 0.938 -0.878
H7 1.895 0.938 0.878
H8 1.055 -1.461 0.888
H9 2.593 -1.299 0.000
H10 1.056 -1.461 -0.888
H11 -0.180 2.102 0.001
H12 -2.689 -0.789 0.935
H13 -2.691 -0.789 -0.934

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.52731.51472.52133.72571.10641.10642.18332.17672.18332.23014.37034.3720
C21.52732.56732.95253.78572.17062.17051.10191.10151.10193.55314.32684.3286
C31.51472.56731.31292.62472.13542.13522.84983.51052.85021.09843.32873.3302
C42.52132.95251.31291.31193.22173.22232.92524.04032.92492.06682.10182.1020
C53.72573.78572.62471.31194.43424.43433.53254.88113.53283.28031.09511.0951
H61.10642.17062.13543.22174.43421.75663.09542.50302.54202.53675.22364.9010
H71.10642.17052.13523.22234.43431.75662.54212.50283.09542.53604.89915.2251
H82.18331.10192.84982.92523.53253.09542.54211.78301.77573.87403.80444.2198
H92.17671.10153.51054.04034.88112.50302.50281.78301.78304.38865.38855.3904
H102.18331.10192.85022.92493.53282.54203.09541.77571.78303.87474.21873.8068
H112.23013.55311.09842.06683.28032.53672.53603.87404.38863.87473.93993.9415
H124.37034.32683.32872.10181.09515.22364.89913.80445.38854.21873.93991.8691
H134.37204.32863.33022.10201.09514.90105.22514.21985.39043.80683.94151.8691

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 111.247 C1 C2 H9 110.749
C1 C2 H10 111.249 C1 C3 C4 126.019
C1 C3 H11 116.266 C2 C1 C3 115.116
C2 C1 H6 109.974 C2 C1 H7 109.972
C3 C1 H6 108.100 C3 C1 H7 108.089
C3 C4 C5 179.597 C4 C3 H11 117.715
C4 C5 H12 121.411 C4 C5 H13 121.428
H6 C1 H7 105.090 H8 C2 H9 108.038
H8 C2 H10 107.366 H9 C2 H10 108.038
H12 C5 H13 117.161
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.011      
2 C -0.015      
3 C -0.183      
4 C 0.057      
5 C -0.070      
6 H 0.025      
7 H 0.025      
8 H 0.027      
9 H 0.014      
10 H 0.027      
11 H 0.014      
12 H 0.045      
13 H 0.045      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.454 0.072 0.001 0.460
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.434 1.676 -0.001
y 1.676 -31.524 0.001
z -0.001 0.001 -31.951
Traceless
 xyz
x 1.304 1.676 -0.001
y 1.676 -0.332 0.001
z -0.001 0.001 -0.973
Polar
3z2-r2-1.945
x2-y21.091
xy1.676
xz-0.001
yz0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.568 2.362 -0.002
y 2.362 7.870 -0.001
z -0.002 -0.001 5.836


<r2> (average value of r2) Å2
<r2> 146.644
(<r2>)1/2 12.110