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All results from a given calculation for C5H6O (Pentadienal)

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 CS 1A'
Energy calculated at PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-268.978992
Energy at 298.15K-268.984390
HF Energy-268.978992
Nuclear repulsion energy192.440810
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' 3189 3136 8.56      
2 A' 3118 3067 7.68      
3 A' 3102 3050 3.51      
4 A' 3096 3045 11.78      
5 A' 3065 3015 7.72      
6 A' 2785 2739 127.16      
7 A' 1727 1698 269.54      
8 A' 1656 1628 59.26      
9 A' 1614 1587 22.40      
10 A' 1428 1404 3.67      
11 A' 1384 1361 0.03      
12 A' 1295 1273 2.39      
13 A' 1288 1266 1.68      
14 A' 1236 1216 4.22      
15 A' 1175 1156 17.14      
16 A' 1116 1097 101.64      
17 A' 947 932 5.62      
18 A' 585 575 14.66      
19 A' 422 415 0.55      
20 A' 372 366 3.63      
21 A' 145 142 4.65      
22 A" 1026 1009 38.23      
23 A" 983 966 2.99      
24 A" 953 938 6.66      
25 A" 908 893 31.45      
26 A" 852 838 6.67      
27 A" 636 625 1.84      
28 A" 280 276 5.15      
29 A" 217 213 1.06      
30 A" 97 95 1.95      

Unscaled Zero Point Vibrational Energy (zpe) 20346.5 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 20010.8 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 PBEPBEultrafine/6-31G*
ABC
0.95087 0.04419 0.04223

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.092 -1.602 0.000
O2 -1.074 -2.831 0.000
C3 0.101 -0.751 0.000
C4 0.000 0.607 0.000
C5 1.118 1.526 0.000
C6 0.978 2.872 0.000
H7 -2.066 -1.035 0.000
H8 1.075 -1.256 0.000
H9 -1.006 1.054 0.000
H10 2.124 1.085 0.000
H11 -0.011 3.342 0.000
H12 1.843 3.541 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.22881.46612.46463.83064.92991.12652.19452.65704.19085.06125.9222
O21.22882.38903.60184.87746.06062.05162.66383.88495.05546.26397.0081
C31.46612.38901.36182.49383.72732.18531.09682.11722.73134.09474.6322
C42.46463.60181.36181.44752.46692.63852.15121.10092.17682.73523.4650
C53.83064.87742.49381.44751.35304.08592.78272.17681.09792.13902.1416
C64.92996.06063.72732.46691.35304.95234.12932.69172.12261.09591.0936
H71.12652.05162.18532.63854.08594.95233.14802.34134.69494.83496.0180
H82.19452.66381.09682.15122.78274.12933.14803.10912.56544.72524.8589
H92.65703.88492.11721.10092.17682.69172.34133.10913.13032.49573.7827
H104.19085.05542.73132.17681.09792.12264.69492.56543.13033.10732.4726
H115.06126.26394.09472.73522.13901.09594.83494.72522.49573.10731.8651
H125.92227.00814.63223.46502.14161.09366.01804.85893.78272.47261.8651

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 121.229 C1 C3 H8 117.062
O2 C1 C3 124.641 O2 C1 H7 121.105
C3 C1 H7 114.254 C3 C4 C5 125.140
C3 C4 H9 118.184 C4 C3 H8 121.709
C4 C5 C6 123.461 C4 C5 H10 116.896
C5 C4 H9 116.677 C5 C6 H11 121.370
C5 C6 H12 121.808 C6 C5 H10 119.642
H11 C6 H12 116.822
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 0.189      
2 O -0.385      
3 C -0.163      
4 C -0.111      
5 C -0.070      
6 C -0.355      
7 H 0.100      
8 H 0.158      
9 H 0.150      
10 H 0.153      
11 H 0.165      
12 H 0.170      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.104 3.839 0.000 3.995
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.527 -2.826 0.000
y -2.826 -41.352 0.000
z 0.000 0.000 -37.295
Traceless
 xyz
x 6.797 -2.826 0.000
y -2.826 -6.441 0.000
z 0.000 0.000 -0.356
Polar
3z2-r2-0.712
x2-y28.825
xy-2.826
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.609 3.227 0.000
y 3.227 17.720 0.000
z 0.000 0.000 3.145


<r2> (average value of r2) Å2
<r2> 244.391
(<r2>)1/2 15.633