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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: PBEPBEultrafine/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-268.997833
Energy at 298.15K-269.003260
HF Energy-268.997833
Nuclear repulsion energy192.205820
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/cc-pVDZ
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' 3181 3162 5.71      
2 A' 3103 3085 6.61      
3 A' 3089 3071 5.76      
4 A' 3077 3059 5.75      
5 A' 3055 3037 6.51      
6 A' 2750 2734 130.75      
7 A' 1722 1712 278.71      
8 A' 1647 1638 59.31      
9 A' 1604 1594 17.39      
10 A' 1389 1381 4.37      
11 A' 1348 1341 0.11      
12 A' 1268 1261 2.83      
13 A' 1260 1253 3.29      
14 A' 1207 1200 6.71      
15 A' 1148 1142 7.56      
16 A' 1107 1100 99.34      
17 A' 934 929 5.76      
18 A' 581 578 14.87      
19 A' 421 419 0.57      
20 A' 370 368 3.41      
21 A' 144 143 4.34      
22 A" 1018 1012 34.01      
23 A" 982 976 3.46      
24 A" 951 946 6.02      
25 A" 908 902 23.43      
26 A" 854 849 5.96      
27 A" 636 632 1.73      
28 A" 282 281 4.53      
29 A" 218 217 0.97      
30 A" 97 96 1.69      

Unscaled Zero Point Vibrational Energy (zpe) 20175.5 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 20058.5 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/cc-pVDZ
ABC
0.94629 0.04411 0.04215

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.094 -1.605 0.000
O2 -1.075 -2.831 0.000
C3 0.101 -0.752 0.000
C4 0.000 0.607 0.000
C5 1.119 1.528 0.000
C6 0.980 2.875 0.000
H7 -2.071 -1.028 0.000
H8 1.078 -1.263 0.000
H9 -1.012 1.054 0.000
H10 2.129 1.084 0.000
H11 -0.016 3.345 0.000
H12 1.853 3.544 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.22621.46832.46823.83554.93711.13492.19892.66104.19745.06635.9328
O21.22622.38913.60284.88006.06532.05982.66423.88635.05916.26657.0156
C31.46832.38911.36282.49633.73182.18941.10282.12162.73544.09844.6393
C42.46823.60281.36281.44882.47052.63892.15861.10662.18192.73773.4723
C53.83554.88002.49631.44881.35454.08752.79052.18311.10352.14282.1459
C64.93716.06533.73182.47051.35454.95444.13882.69912.12821.10181.0993
H71.13492.05982.18942.63894.08754.95443.15802.33634.70124.83196.0250
H82.19892.66421.10282.15862.79054.13883.15803.12072.57084.73584.8688
H92.66103.88632.12161.10662.18312.69912.33633.12073.14162.49783.7955
H104.19745.05912.73542.18191.10352.12824.70122.57083.14163.11722.4762
H115.06636.26654.09842.73772.14281.10184.83194.73582.49783.11721.8793
H125.93287.01564.63933.47232.14591.09936.02504.86883.79552.47621.8793

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 121.295 C1 C3 H8 116.859
O2 C1 C3 124.672 O2 C1 H7 121.437
C3 C1 H7 113.891 C3 C4 C5 125.184
C3 C4 H9 118.078 C4 C3 H8 121.846
C4 C5 C6 123.558 C4 C5 H10 116.840
C5 C4 H9 116.738 C5 C6 H11 121.127
C5 C6 H12 121.622 C6 C5 H10 119.602
H11 C6 H12 117.251
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.145      
2 O -0.185      
3 C -0.038      
4 C 0.047      
5 C -0.030      
6 C 0.021      
7 H -0.026      
8 H -0.000      
9 H -0.006      
10 H -0.002      
11 H 0.033      
12 H 0.042      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.057 3.609 0.000 3.761
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.164 -2.618 0.000
y -2.618 -41.300 0.000
z 0.000 0.000 -37.589
Traceless
 xyz
x 6.280 -2.618 0.000
y -2.618 -5.924 0.000
z 0.000 0.000 -0.357
Polar
3z2-r2-0.713
x2-y28.136
xy-2.618
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.162 3.165 0.000
y 3.165 18.085 0.000
z 0.000 0.000 3.606


<r2> (average value of r2) Å2
<r2> 245.018
(<r2>)1/2 15.653