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

using model chemistry: LSDA/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 LSDA/6-31G
 hartrees
Energy at 0K-194.124654
Energy at 298.15K-194.132143
Nuclear repulsion energy155.189572
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 LSDA/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 3192 3127 14.25      
2 A 3097 3034 1.20      
3 A 3087 3024 9.33      
4 A 2948 2889 18.70      
5 A 1713 1679 0.57      
6 A 1448 1419 14.97      
7 A 1425 1397 0.23      
8 A 1295 1269 0.09      
9 A 1245 1219 0.13      
10 A 1085 1063 0.05      
11 A 1009 989 8.78      
12 A 938 919 51.15      
13 A 911 892 9.64      
14 A 681 667 11.28      
15 A 376 368 0.58      
16 A 295 289 0.16      
17 A 88 86 0.04      
18 A 3192 3127 17.51      
19 A 3097 3034 5.91      
20 A 3087 3024 19.77      
21 A 3001 2940 12.45      
22 A 1698 1663 24.08      
23 A 1429 1400 8.18      
24 A 1302 1276 0.77      
25 A 1287 1261 1.36      
26 A 1172 1148 5.08      
27 A 1010 990 13.05      
28 A 987 967 6.09      
29 A 937 918 52.80      
30 A 891 873 17.98      
31 A 613 600 15.38      
32 A 455 446 2.61      
33 A 101 99 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 24545.3 cm-1
Scaled (by 0.9797) Zero Point Vibrational Energy (zpe) 24047.1 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 LSDA/6-31G
ABC
0.68059 0.07835 0.07773

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.644
C2 0.000 1.241 -0.190
C3 0.000 -1.241 -0.190
C4 0.954 2.176 -0.157
C5 -0.954 -2.176 -0.157
H6 -0.891 -0.017 1.307
H7 0.891 0.017 1.307
H8 -0.850 1.347 -0.880
H9 0.850 -1.347 -0.880
H10 0.919 3.067 -0.791
H11 -0.919 -3.067 -0.791
H12 1.815 2.084 0.518
H13 -1.815 -2.084 0.518

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.49531.49532.50722.50721.11021.11022.20512.20513.50903.50902.76632.7663
C21.49532.48141.33613.54712.14832.12901.10032.80992.13114.44552.12253.8534
C31.49532.48143.54711.33612.12902.14832.80991.10034.44552.13113.85342.1225
C42.50721.33613.54714.75113.21762.60932.11313.59751.09455.60311.09755.1250
C52.50723.54711.33614.75112.60933.21763.59752.11315.60311.09455.12501.0975
H61.11022.14832.12903.21762.60931.78212.57753.09594.14563.70243.51502.3980
H71.11022.12902.14832.60933.21761.78213.09592.57753.70244.14562.39803.5150
H82.20511.10032.80992.11313.59752.57753.09593.18612.46934.41553.09833.8284
H92.20512.80991.10033.59752.11313.09592.57753.18614.41552.46933.82843.0983
H103.50902.13114.44551.09455.60314.14563.70242.46934.41556.40361.86595.9767
H113.50904.44552.13115.60311.09453.70244.14564.41552.46936.40365.97671.8659
H122.76632.12253.85341.09755.12503.51502.39803.09833.82841.86595.97675.5268
H132.76633.85342.12255.12501.09752.39803.51503.82843.09835.97671.86595.5268

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 124.529 C1 C2 H8 115.481
C1 C3 C5 124.529 C1 C3 H9 115.481
C2 C1 C3 112.138 C2 C1 H6 110.205
C2 C1 H7 108.695 C2 C4 H10 122.197
C2 C4 H12 121.111 C3 C1 H6 108.695
C3 C1 H7 110.205 C3 C5 H11 122.197
C3 C5 H13 121.111 C4 C2 H8 119.980
C5 C3 H9 119.980 H6 C1 H7 106.764
H10 C4 H12 116.691 H11 C5 H13 116.691
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.447      
2 C -0.043      
3 C -0.043      
4 C -0.356      
5 C -0.356      
6 H 0.174      
7 H 0.174      
8 H 0.153      
9 H 0.153      
10 H 0.151      
11 H 0.151      
12 H 0.145      
13 H 0.145      


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 0.069 0.069
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.597 0.931 0.000
y 0.931 -31.438 0.000
z 0.000 0.000 -31.923
Traceless
 xyz
x 1.083 0.931 0.000
y 0.931 -0.178 0.000
z 0.000 0.000 -0.905
Polar
3z2-r2-1.810
x2-y20.841
xy0.931
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.827 3.178 0.000
y 3.178 10.111 0.000
z 0.000 0.000 5.462


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000