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All results from a given calculation for C5H8 (1,3-Pentadiene, (E)-)

using model chemistry: B1B95/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B1B95/6-31G*
 hartrees
Energy at 0K-195.193845
Energy at 298.15K-195.201265
Nuclear repulsion energy153.794924
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 B1B95/6-31G*
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 3280 3113 15.23      
2 A 3193 3031 4.24      
3 A 3183 3021 51.90      
4 A 3176 3015 15.15      
5 A 3172 3011 0.85      
6 A 3156 2996 5.64      
7 A 3060 2905 34.52      
8 A 1771 1681 14.27      
9 A 1714 1627 3.72      
10 A 1520 1443 8.67      
11 A 1473 1398 3.46      
12 A 1438 1365 3.36      
13 A 1353 1284 2.58      
14 A 1337 1270 0.26      
15 A 1308 1241 2.68      
16 A 1228 1166 1.08      
17 A 1125 1068 0.03      
18 A 1000 949 10.76      
19 A 920 874 5.95      
20 A 486 461 0.01      
21 A 450 427 0.35      
22 A 196 186 1.73      
23 A 3117 2959 20.55      
24 A 1506 1430 7.25      
25 A 1073 1018 0.33      
26 A 1058 1005 35.59      
27 A 995 944 7.80      
28 A 929 882 39.33      
29 A 851 808 6.58      
30 A 650 617 1.29      
31 A 261 248 2.11      
32 A 214 203 0.05      
33 A 138 131 1.00      

Unscaled Zero Point Vibrational Energy (zpe) 25164.8 cm-1
Scaled (by 0.9493) Zero Point Vibrational Energy (zpe) 23889.0 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 B1B95/6-31G*
ABC
0.96089 0.07233 0.06811

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.406 0.784 0.000
C2 -1.407 -0.102 0.000
C3 0.000 0.250 0.000
C4 0.997 -0.642 0.000
C5 2.449 -0.306 0.000
H6 -2.215 1.853 0.000
H7 -3.445 0.475 0.000
H8 -1.638 -1.166 0.000
H9 0.237 1.313 0.000
H10 0.744 -1.702 0.000
H11 2.610 0.774 0.000
H12 2.954 -0.725 0.878
H13 2.954 -0.725 -0.878

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.33582.46513.69074.97671.08571.08352.09592.69614.01375.01685.63745.6374
C21.33581.45042.46453.86182.11522.11791.08842.16932.68124.11194.49184.4918
C32.46511.45041.33812.51162.73413.45232.16501.08912.08882.66253.23193.2319
C43.69072.46451.33811.49044.06744.58072.68702.09761.08932.14672.14592.1459
C54.97673.86182.51161.49045.13945.94574.17692.74102.20341.09221.09561.0956
H61.08572.11522.73414.06745.13941.84713.07312.51094.62534.94415.84205.8420
H71.08352.11793.45234.58075.94571.84712.44063.77634.72136.06266.56926.5692
H82.09591.08842.16502.68704.17693.07312.44063.10812.44234.67044.69594.6959
H92.69612.16931.08912.09762.74102.51093.77633.10813.05692.43333.50733.5073
H104.01372.68122.08881.08932.20344.62534.72132.44233.05693.10032.57032.5703
H115.01684.11192.66252.14671.09224.94416.06264.67042.43333.10031.77071.7707
H125.63744.49183.23192.14591.09565.84206.56924.69593.50732.57031.77071.7554
H135.63744.49183.23192.14591.09565.84206.56924.69593.50732.57031.77071.7554

picture of 1,3-Pentadiene, (E)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 124.390 C1 C2 H8 119.314
C2 C1 H6 121.398 C2 C1 H7 121.847
C2 C3 C4 124.152 C2 C3 H9 116.625
C3 C2 H8 116.296 C3 C4 C5 125.148
C3 C4 H10 118.386 C4 C3 H9 119.222
C4 C5 H11 111.519 C4 C5 H12 111.246
C4 C5 H13 111.246 C5 C4 H10 116.466
H6 C1 H7 116.755 H11 C5 H12 108.070
H11 C5 H13 108.070 H12 C5 H13 106.477
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.390      
2 C -0.091      
3 C -0.127      
4 C -0.135      
5 C -0.537      
6 H 0.156      
7 H 0.160      
8 H 0.148      
9 H 0.142      
10 H 0.149      
11 H 0.172      
12 H 0.176      
13 H 0.176      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.542 -0.202 0.000 0.578
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.829 -0.189 0.000
y -0.189 -28.859 0.000
z 0.000 0.000 -34.143
Traceless
 xyz
x 2.672 -0.189 0.000
y -0.189 2.627 0.000
z 0.000 0.000 -5.299
Polar
3z2-r2-10.598
x2-y20.030
xy-0.189
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.488 -2.711 0.000
y -2.711 8.195 0.000
z 0.000 0.000 3.821


<r2> (average value of r2) Å2
<r2> 172.032
(<r2>)1/2 13.116