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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: CCD/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/TZVP
 hartrees
Energy at 0K-268.652390
Energy at 298.15K-268.657659
HF Energy-267.740448
Nuclear repulsion energy193.943444
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 CCD/TZVP
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' 3283 3112 10.31      
2 A' 3224 3056 4.99      
3 A' 3205 3038 6.15      
4 A' 3189 3023 7.71      
5 A' 3178 3013 5.51      
6 A' 2978 2824 80.11      
7 A' 1834 1739 252.24      
8 A' 1753 1662 5.11      
9 A' 1688 1600 9.35      
10 A' 1490 1413 2.58      
11 A' 1458 1383 1.45      
12 A' 1351 1280 1.76      
13 A' 1345 1275 2.27      
14 A' 1290 1223 0.64      
15 A' 1214 1151 24.42      
16 A' 1132 1073 73.25      
17 A' 976 925 1.83      
18 A' 613 581 11.89      
19 A' 435 413 0.90      
20 A' 391 371 4.39      
21 A' 152 145 6.24      
22 A" 1019 966 37.06      
23 A" 998 946 27.52      
24 A" 957 907 2.94      
25 A" 845 801 40.05      
26 A" 776 736 2.51      
27 A" 591 560 2.39      
28 A" 252 238 7.93      
29 A" 132 125 2.03      
30 A" 75 71 3.02      

Unscaled Zero Point Vibrational Energy (zpe) 20910.9 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 19823.5 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 CCD/TZVP
ABC
0.95960 0.04482 0.04282

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.125 -1.578 0.000
O2 -1.112 -2.785 0.000
C3 0.087 -0.739 0.000
C4 0.000 0.598 0.000
C5 1.148 1.500 0.000
C6 1.029 2.830 0.000
H7 -2.081 -1.023 0.000
H8 1.040 -1.255 0.000
H9 -0.984 1.063 0.000
H10 2.132 1.042 0.000
H11 0.058 3.310 0.000
H12 1.897 3.476 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.20761.47422.44973.82594.90651.10582.18912.64444.17965.02945.8884
O21.20762.37213.56174.84446.01022.01182.64063.85035.01686.20716.9469
C31.47422.37211.33972.47693.69132.18671.08432.09552.71124.04924.5868
C42.44973.56171.33971.45962.45802.63792.12551.08792.17752.71283.4467
C53.82594.84442.47691.45961.33614.09752.75702.17611.08522.11382.1136
C64.90656.01023.69132.45801.33614.95184.08582.67902.10141.08361.0814
H71.10582.01182.18672.63794.09754.95183.13012.35644.69164.83226.0051
H82.18912.64061.08432.12552.75704.08583.13013.07732.54314.67034.8084
H92.64443.85032.09551.08792.17612.67902.35643.07733.11572.47733.7578
H104.17965.01682.71122.17751.08522.10144.69162.54313.11573.07412.4460
H115.02946.20714.04922.71282.11381.08364.83224.67032.47733.07411.8463
H125.88846.94694.58683.44672.11361.08146.00514.80843.75782.44601.8463

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 120.981 C1 C3 H8 116.835
O2 C1 C3 124.083 O2 C1 H7 120.765
C3 C1 H7 115.151 C3 C4 C5 124.414
C3 C4 H9 118.996 C4 C3 H8 122.185
C4 C5 C6 123.035 C4 C5 H10 116.900
C5 C4 H9 116.590 C5 C6 H11 121.398
C5 C6 H12 121.567 C6 C5 H10 120.064
H11 C6 H12 117.035
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability