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All results from a given calculation for C5H8 (1,4-Pentadiene)

using model chemistry: PBEPBEultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-195.014747
Energy at 298.15K-195.022108
HF Energy-195.014747
Nuclear repulsion energy154.279799
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 PBEPBEultrafine/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3170 3118 17.27      
2 A 3090 3039 1.33      
3 A 3080 3029 9.73      
4 A 2954 2905 22.26      
5 A 1686 1658 0.77      
6 A 1449 1425 6.26      
7 A 1421 1397 0.00      
8 A 1290 1269 0.03      
9 A 1235 1215 0.10      
10 A 1060 1042 0.83      
11 A 1000 984 10.21      
12 A 897 882 7.71      
13 A 893 878 33.07      
14 A 663 652 8.42      
15 A 361 355 0.43      
16 A 291 286 0.11      
17 A 85 84 0.01      
18 B 3170 3118 21.64      
19 B 3089 3038 10.43      
20 B 3080 3029 30.76      
21 B 2998 2949 15.37      
22 B 1671 1643 20.51      
23 B 1423 1399 2.58      
24 B 1300 1278 0.16      
25 B 1269 1248 5.60      
26 B 1146 1127 3.63      
27 B 1001 985 14.18      
28 B 954 938 2.52      
29 B 894 879 33.38      
30 B 875 861 11.23      
31 B 595 585 10.96      
32 B 440 433 2.96      
33 B 101 100 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 24314.3 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 23913.1 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 PBEPBEultrafine/6-31G*
ABC
0.65635 0.07749 0.07690

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-31G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.669
C2 0.000 1.253 -0.176
C3 0.000 -1.253 -0.176
C4 0.972 2.179 -0.181
C5 -0.972 -2.179 -0.181
H6 -0.891 -0.011 1.328
H7 0.891 0.011 1.328
H8 -0.867 1.374 -0.841
H9 0.867 -1.374 -0.841
H10 0.922 3.065 -0.822
H11 -0.922 -3.065 -0.822
H12 1.855 2.087 0.464
H13 -1.855 -2.087 0.464

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.51151.51152.53242.53241.10781.10782.21802.21803.53063.53062.79982.7998
C21.51152.50621.34193.56672.15682.14451.09902.84522.13274.46212.13173.8738
C31.51152.50623.56671.34192.14452.15682.84521.09904.46212.13273.87382.1317
C42.53241.34193.56674.77103.24602.64262.11253.61511.09485.61151.09685.1576
C52.53243.56671.34194.77102.64263.24603.61512.11255.61151.09485.15761.0968
H61.10782.15682.14453.24602.64261.78142.57323.10664.16693.73503.56162.4473
H71.10782.14452.15682.64263.24601.78143.10662.57323.73504.16692.44733.5616
H82.21801.09902.84522.11253.61512.57323.10663.24922.46114.43923.10083.8285
H92.21802.84521.09903.61512.11253.10662.57323.24924.43922.46113.82853.1008
H103.53062.13274.46211.09485.61154.16693.73502.46114.43926.40071.86475.9919
H113.53064.46212.13275.61151.09483.73504.16694.43922.46116.40075.99191.8647
H122.79982.13173.87381.09685.15763.56162.44733.10083.82851.86475.99195.5844
H132.79983.87382.13175.15761.09682.44733.56163.82853.10085.99191.86475.5844

picture of 1,4-Pentadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 125.016 C1 C2 H8 115.438
C1 C3 C5 125.016 C1 C3 H9 115.438
C2 C1 C3 111.999 C2 C1 H6 109.902
C2 C1 H7 108.939 C2 C4 H10 121.825
C2 C4 H12 121.560 C3 C1 H6 108.939
C3 C1 H7 109.902 C3 C5 H11 121.825
C3 C5 H13 121.560 C4 C2 H8 119.534
C5 C3 H9 119.534 H6 C1 H7 107.036
H10 C4 H12 116.614 H11 C5 H13 116.614
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.391      
2 C -0.046      
3 C -0.046      
4 C -0.358      
5 C -0.358      
6 H 0.163      
7 H 0.163      
8 H 0.142      
9 H 0.142      
10 H 0.150      
11 H 0.150      
12 H 0.144      
13 H 0.144      


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 0.074 0.074
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.327 0.828 -0.004
y 0.828 -31.451 -0.004
z -0.004 -0.004 -31.920
Traceless
 xyz
x 1.359 0.828 -0.004
y 0.828 -0.328 -0.004
z -0.004 -0.004 -1.031
Polar
3z2-r2-2.062
x2-y21.124
xy0.828
xz-0.004
yz-0.004


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.021 3.150 -0.004
y 3.150 10.352 -0.003
z -0.004 -0.003 5.553


<r2> (average value of r2) Å2
<r2> 159.751
(<r2>)1/2 12.639