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All results from a given calculation for C5H8O (Methyl cyclopropyl ketone)

using model chemistry: CCD/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-269.907041
Energy at 298.15K-269.915777
HF Energy-268.863808
Nuclear repulsion energy230.942765
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/6-31G(2df,p)
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' 3308 3133 2.90      
2 A' 3238 3067 5.91      
3 A' 3218 3048 6.33      
4 A' 3205 3036 6.32      
5 A' 3095 2931 1.85      
6 A' 1864 1766 107.07      
7 A' 1527 1447 12.27      
8 A' 1500 1421 10.98      
9 A' 1454 1377 92.18      
10 A' 1412 1338 7.05      
11 A' 1250 1184 6.40      
12 A' 1222 1157 76.80      
13 A' 1134 1074 11.77      
14 A' 1094 1036 9.10      
15 A' 998 945 36.25      
16 A' 951 901 7.62      
17 A' 818 775 1.30      
18 A' 767 727 0.14      
19 A' 600 569 14.09      
20 A' 374 355 3.95      
21 A' 244 231 4.11      
22 A" 3296 3122 0.40      
23 A" 3201 3032 8.20      
24 A" 3169 3002 5.43      
25 A" 1509 1429 7.93      
26 A" 1480 1402 2.80      
27 A" 1233 1167 0.19      
28 A" 1157 1096 1.32      
29 A" 1123 1064 1.52      
30 A" 1077 1020 3.31      
31 A" 921 872 0.93      
32 A" 858 812 4.42      
33 A" 613 581 1.61      
34 A" 268 254 0.49      
35 A" 155 147 0.02      
36 A" 68 65 1.61      

Unscaled Zero Point Vibrational Energy (zpe) 26699.1 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 25289.3 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/6-31G(2df,p)
ABC
0.24149 0.08810 0.07709

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.473 -0.548 0.000
C2 -0.282 -0.755 0.000
C3 0.296 -2.154 0.000
C4 0.702 0.369 0.000
C5 0.296 1.625 0.746
C6 0.296 1.625 -0.746
H7 -0.506 -2.889 0.000
H8 0.930 -2.293 -0.880
H9 0.930 -2.293 0.880
H10 1.751 0.101 0.000
H11 -0.664 1.582 1.242
H12 1.076 2.166 1.265
H13 -0.664 1.582 -1.242
H14 1.076 2.166 -1.265

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.20862.38862.36052.89962.89962.53223.09713.09713.28812.59523.93202.59523.9320
C21.20861.51321.49422.56022.56022.14552.14692.14692.20552.67433.46052.67433.4605
C32.38861.51322.55533.85143.85141.08851.09341.09342.68314.05244.56794.05244.5679
C42.36051.49422.55531.51581.51583.47502.81362.81361.08212.20932.22882.20932.2288
C52.89962.56023.85141.51581.49124.64484.28933.97162.23471.08181.08162.20752.2231
C62.89962.56023.85141.51581.49124.64483.97164.28932.23472.20752.22311.08181.0816
H72.53222.14551.08853.47504.64484.64481.78651.78653.74624.64325.44554.64325.4455
H83.09712.14691.09342.81364.28933.97161.78651.75992.67994.69744.95054.20654.4783
H93.09712.14691.09342.81363.97164.28931.78651.75992.67994.20654.47834.69744.9505
H103.28812.20552.68311.08212.23472.23473.74622.67992.67993.09322.51383.09322.5138
H112.59522.67434.05242.20931.08182.20754.64324.69744.20653.09321.83532.48323.1065
H123.93203.46054.56792.22881.08162.22315.44554.95054.47832.51381.83533.10652.5297
H132.59522.67434.05242.20932.20751.08184.64324.20654.69743.09322.48323.10651.8353
H143.93203.46054.56792.22882.22311.08165.44554.47834.95052.51383.10652.52971.8353

picture of Methyl cyclopropyl ketone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 122.312 O1 C2 C4 121.343
C2 C3 H7 110.038 C2 C3 H8 109.856
C2 C3 H9 109.856 C2 C4 C5 116.542
C2 C4 C6 116.542 C2 C4 H10 116.848
C3 C2 C4 116.345 C4 C5 C6 60.535
C4 C5 H11 115.523 C4 C5 H12 117.216
C4 C6 C5 60.535 C4 C6 H13 115.523
C4 C6 H14 117.216 C5 C4 C6 58.930
C5 C4 H10 117.702 C5 C6 H13 117.288
C5 C6 H14 118.689 C6 C4 H10 117.702
C6 C5 H11 117.288 C6 C5 H12 118.689
H7 C3 H8 109.931 H7 C3 H9 109.931
H8 C3 H9 107.186 H11 C5 H12 116.066
H13 C6 H14 116.066
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability