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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: MP4/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 MP4/cc-pVDZ
 hartrees
Energy at 0K-268.593040
Energy at 298.15K-268.598467
HF Energy-267.669300
Nuclear repulsion energy191.545739
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 MP4/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' 3260 3152        
2 A' 3185 3080        
3 A' 3173 3068        
4 A' 3156 3051        
5 A' 3138 3034        
6 A' 2878 2783        
7 A' 1732 1674        
8 A' 1692 1636        
9 A' 1629 1575        
10 A' 1443 1395        
11 A' 1394 1348        
12 A' 1303 1260        
13 A' 1298 1255        
14 A' 1242 1201        
15 A' 1178 1139        
16 A' 1119 1082        
17 A' 954 923        
18 A' 587 568        
19 A' 423 409        
20 A' 373 361        
21 A' 143 138        
22 A" 1031 997        
23 A" 1002 969        
24 A" 972 940        
25 A" 914 884        
26 A" 842 814        
27 A" 639 618        
28 A" 276 267        
29 A" 201 194        
30 A" 93 90        

Unscaled Zero Point Vibrational Energy (zpe) 20635.1 cm-1
Scaled (by 0.9669) Zero Point Vibrational Energy (zpe) 19952.1 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 MP4/cc-pVDZ
ABC
0.93671 0.04378 0.04182

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.121 -1.602 0.000
O2 -1.110 -2.828 0.000
C3 0.096 -0.753 0.000
C4 0.000 0.607 0.000
C5 1.146 1.522 0.000
C6 1.017 2.875 0.000
H7 -2.086 -1.020 0.000
H8 1.068 -1.267 0.000
H9 -1.003 1.067 0.000
H10 2.148 1.066 0.000
H11 0.027 3.352 0.000
H12 1.895 3.533 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.22671.48322.47713.85914.96091.12702.21412.67174.21935.08475.9548
O21.22672.39993.61044.89996.08682.05512.67933.89715.07746.28377.0352
C31.48322.39991.36382.50543.74312.19801.09982.12642.74264.10544.6485
C42.47713.61041.36381.46602.48522.64582.15751.10372.19632.74453.4856
C53.85914.89992.50541.46601.35934.11172.78992.19671.10042.14492.1464
C64.96096.08683.74312.48521.35934.98004.14232.71102.13271.09901.0968
H71.12702.05512.19802.64584.11174.98003.16372.35154.72004.85576.0479
H82.21412.67931.09982.15752.78994.14233.16373.12092.57144.73474.8711
H92.67173.89712.12641.10372.19672.71102.35153.12093.15102.50603.8049
H104.21935.07742.74262.19631.10042.13274.72002.57143.15103.11762.4798
H115.08476.28374.10542.74452.14491.09904.85574.73472.50603.11761.8760
H125.95487.03524.64853.48562.14641.09686.04794.87113.80492.47981.8760

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 120.878 C1 C3 H8 117.228
O2 C1 C3 124.379 O2 C1 H7 121.594
C3 C1 H7 114.026 C3 C4 C5 124.559
C3 C4 H9 118.655 C4 C3 H8 121.894
C4 C5 C6 123.153 C4 C5 H10 116.982
C5 C4 H9 116.786 C5 C6 H11 121.150
C5 C6 H12 121.466 C6 C5 H10 119.865
H11 C6 H12 117.384
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability