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

using model chemistry: B1B95/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 B1B95/cc-pVDZ
 hartrees
Energy at 0K-195.184497
Energy at 298.15K-195.191858
Nuclear repulsion energy156.576018
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/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 3148 3026 10.50      
2 A 3147 3025 23.39      
3 A 3140 3019 3.16      
4 A 3059 2940 18.61      
5 A 3033 2915 36.74      
6 A 2089 2008 33.35      
7 A 1477 1420 7.23      
8 A 1466 1409 0.64      
9 A 1445 1389 3.87      
10 A 1397 1343 3.69      
11 A 1350 1298 15.19      
12 A 1339 1287 0.01      
13 A 1153 1108 2.51      
14 A 1088 1045 2.13      
15 A 1001 963 0.65      
16 A 873 839 10.73      
17 A 857 824 41.89      
18 A 637 612 2.56      
19 A 361 347 2.82      
20 A 153 147 0.29      
21 A 3229 3104 2.06      
22 A 3143 3021 23.86      
23 A 3064 2945 16.64      
24 A 1461 1404 7.28      
25 A 1271 1222 0.03      
26 A 1085 1043 2.37      
27 A 1001 962 0.08      
28 A 892 857 13.21      
29 A 783 752 3.76      
30 A 521 501 4.42      
31 A 339 326 5.60      
32 A 269 258 0.04      
33 A 116 111 0.32      

Unscaled Zero Point Vibrational Energy (zpe) 24693.9 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 23735.8 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/cc-pVDZ
ABC
0.34146 0.10680 0.08538

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.461 -1.069 0.000
C2 -1.394 0.447 0.000
C3 0.000 1.015 0.000
C4 1.107 0.314 0.000
C5 2.215 -0.383 0.000
H6 -1.930 0.851 0.876
H7 -1.930 0.851 -0.876
H8 -0.962 -1.488 -0.885
H9 -2.503 -1.415 0.000
H10 -0.962 -1.488 0.885
H11 0.090 2.107 0.000
H12 2.697 -0.683 -0.934
H13 2.697 -0.683 0.934

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.51732.54462.91643.73952.16142.16141.09921.09831.09923.53394.27864.2786
C21.51731.50502.50453.70321.10331.10332.17122.16782.17122.22614.34554.3455
C32.54461.50501.31032.61912.12552.12552.82343.48872.82341.09583.32083.3208
C42.91642.50451.31031.30873.20593.20592.88274.00292.88272.06172.09592.0959
C53.73953.70322.61911.30874.41234.41233.47844.82993.47843.27351.09271.0927
H62.16141.10332.12553.20594.41231.75193.08352.49642.53102.53425.19934.8746
H72.16141.10332.12553.20594.41231.75192.53102.49643.08352.53424.87465.1993
H81.09922.17122.82342.88273.47843.08352.53101.77881.77053.84853.74654.1644
H91.09832.16783.48874.00294.82992.49642.49641.77881.77884.37365.33355.3335
H101.09922.17122.82342.88273.47842.53103.08351.77051.77883.84854.16443.7465
H113.53392.22611.09582.06173.27352.53422.53423.84854.37363.84853.93123.9312
H124.27864.34553.32082.09591.09275.19934.87463.74655.33354.16443.93121.8673
H134.27864.34553.32082.09591.09274.87465.19934.16445.33353.74653.93121.8673

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 28.174 C1 C2 H9 28.245
C1 C2 H10 28.174 C1 C3 C4 92.696
C1 C3 H11 149.650 C2 C1 C3 32.508
C2 C1 H6 28.639 C2 C1 H7 28.639
C3 C1 H6 52.942 C3 C1 H7 52.942
C3 C4 C5 179.806 C4 C3 H11 117.654
C4 C5 H12 121.305 C4 C5 H13 121.305
H6 C1 H7 47.814 H8 C2 H9 48.403
H8 C2 H10 48.124 H9 C2 H10 48.403
H12 C5 H13 117.390
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.047      
2 C -0.048      
3 C -0.188      
4 C 0.026      
5 C -0.076      
6 H 0.040      
7 H 0.040      
8 H 0.040      
9 H 0.028      
10 H 0.040      
11 H 0.030      
12 H 0.057      
13 H 0.057      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.459 0.034 0.000 0.461
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.891 -1.712 0.000
y -1.712 -31.345 0.000
z 0.000 0.000 -31.718
Traceless
 xyz
x 1.640 -1.712 0.000
y -1.712 -0.540 0.000
z 0.000 0.000 -1.100
Polar
3z2-r2-2.200
x2-y21.454
xy-1.712
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.579 -2.159 0.000
y -2.159 7.637 0.000
z 0.000 0.000 5.795


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