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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: CCSD/aug-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 CCSD/aug-cc-pVDZ
 hartrees
Energy at 0K-268.603369
Energy at 298.15K-268.608883
HF Energy-267.685456
Nuclear repulsion energy192.021572
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 CCSD/aug-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' 3259 3139 8.75      
2 A' 3201 3084 3.98      
3 A' 3185 3068 5.63      
4 A' 3161 3046 9.44      
5 A' 3159 3043 1.77      
6 A' 2955 2847 72.68      
7 A' 1771 1706 350.02      
8 A' 1725 1662 5.04      
9 A' 1657 1597 9.40      
10 A' 1457 1403 2.77      
11 A' 1407 1355 0.52      
12 A' 1320 1271 2.28      
13 A' 1317 1269 2.40      
14 A' 1260 1213 0.97      
15 A' 1195 1151 35.05      
16 A' 1128 1087 70.88      
17 A' 960 925 2.41      
18 A' 597 576 13.12      
19 A' 429 413 0.86      
20 A' 384 370 3.99      
21 A' 150 145 6.79      
22 A" 1033 995 47.54      
23 A" 1012 975 9.67      
24 A" 981 946 2.15      
25 A" 955 920 29.42      
26 A" 862 830 6.77      
27 A" 644 621 2.78      
28 A" 278 268 7.61      
29 A" 204 196 1.93      
30 A" 94 91 3.63      

Unscaled Zero Point Vibrational Energy (zpe) 20868.8 cm-1
Scaled (by 0.9634) Zero Point Vibrational Energy (zpe) 20105.0 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 CCSD/aug-cc-pVDZ
ABC
0.93843 0.04400 0.04203

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.132 -1.590 0.000
O2 -1.124 -2.812 0.000
C3 0.090 -0.750 0.000
C4 0.000 0.605 0.000
C5 1.157 1.511 0.000
C6 1.036 2.860 0.000
H7 -2.096 -1.026 0.000
H8 1.055 -1.270 0.000
H9 -0.996 1.071 0.000
H10 2.152 1.050 0.000
H11 0.052 3.341 0.000
H12 1.914 3.512 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.22171.48302.46963.85494.94991.11732.21012.66464.21365.07175.9420
O21.22172.39293.59684.88836.06912.03322.66953.88495.06426.26477.0157
C31.48302.39291.35772.50053.73162.20401.09602.12002.73704.09154.6357
C42.46963.59681.35771.47032.48162.65622.15101.09942.19792.73723.4806
C53.85494.88832.50051.47031.35404.12652.78302.19771.09682.13822.1388
C64.94996.06913.73162.48161.35404.99144.12962.70702.12681.09571.0936
H71.11732.03322.20402.65624.12654.99143.16082.36864.72894.86756.0563
H82.21012.66951.09602.15102.78304.12963.16083.11192.56594.71914.8582
H92.66463.88492.12001.09942.19772.70702.36863.11193.14812.50053.7979
H104.21365.06422.73702.19791.09682.12684.72892.56593.14813.10882.4738
H115.07176.26474.09152.73722.13821.09574.86754.71912.50053.10881.8699
H125.94207.01574.63573.48062.13881.09366.05634.85823.79792.47381.8699

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 120.708 C1 C3 H8 117.171
O2 C1 C3 124.150 O2 C1 H7 120.671
C3 C1 H7 115.179 C3 C4 C5 124.263
C3 C4 H9 118.894 C4 C3 H8 122.121
C4 C5 C6 122.920 C4 C5 H10 117.036
C5 C4 H9 116.843 C5 C6 H11 121.226
C5 C6 H12 121.454 C6 C5 H10 120.044
H11 C6 H12 117.320
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability