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

using model chemistry: MP2/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/STO-3G
 hartrees
Energy at 0K-265.809279
Energy at 298.15K-265.817544
HF Energy-265.472866
Nuclear repulsion energy223.826061
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 MP2/STO-3G
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' 3611 3149 0.16      
2 A' 3558 3102 0.75      
3 A' 3512 3062 0.64      
4 A' 3457 3014 0.96      
5 A' 3366 2935 0.02      
6 A' 1768 1541 5.93      
7 A' 1706 1487 4.74      
8 A' 1666 1452 5.71      
9 A' 1583 1381 1.78      
10 A' 1526 1331 20.68      
11 A' 1336 1164 5.07      
12 A' 1260 1098 21.98      
13 A' 1258 1097 72.78      
14 A' 1193 1040 3.73      
15 A' 1088 949 12.13      
16 A' 1029 897 0.38      
17 A' 861 751 0.12      
18 A' 789 688 1.05      
19 A' 584 509 8.44      
20 A' 363 317 0.79      
21 A' 209 183 0.99      
22 A" 3607 3145 0.01      
23 A" 3544 3090 0.69      
24 A" 3448 3006 1.81      
25 A" 1713 1494 2.55      
26 A" 1626 1418 0.08      
27 A" 1331 1160 0.00      
28 A" 1280 1116 0.05      
29 A" 1243 1084 0.25      
30 A" 1147 1000 0.87      
31 A" 1051 917 2.33      
32 A" 915 798 0.72      
33 A" 594 518 0.37      
34 A" 248 216 0.08      
35 A" 148 129 0.01      
36 A" 34 30 0.45      

Unscaled Zero Point Vibrational Energy (zpe) 28825.9 cm-1
Scaled (by 0.8719) Zero Point Vibrational Energy (zpe) 25133.3 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 MP2/STO-3G
ABC
0.22365 0.08253 0.07162

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.562 -0.593 0.000
C2 -0.312 -0.784 0.000
C3 0.331 -2.213 0.000
C4 0.701 0.394 0.000
C5 0.331 1.678 0.762
C6 0.331 1.678 -0.762
H7 -0.455 -2.987 0.000
H8 0.965 -2.344 -0.894
H9 0.965 -2.344 0.894
H10 1.762 0.101 0.000
H11 -0.645 1.691 1.267
H12 1.131 2.215 1.288
H13 -0.645 1.691 -1.267
H14 1.131 2.215 -1.288

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.26432.49152.46953.05323.05322.63693.20203.20203.39582.76884.09902.76884.0990
C21.26431.56711.55382.65592.65592.20742.20582.20582.25512.80053.56902.80053.5690
C32.49151.56712.63283.96453.96451.10331.10401.10402.72084.21914.68064.21914.6806
C42.46951.55382.63281.53831.53833.57282.89202.89201.09992.25882.27212.25882.2721
C53.05322.65593.96451.53831.52404.79124.39534.07352.26121.09901.09832.25172.2656
C63.05322.65593.96451.53831.52404.79124.07354.39532.26122.25172.26561.09901.0983
H72.63692.20741.10333.57284.79124.79121.79741.79743.80154.85025.58904.85025.5890
H83.20202.20581.10402.89204.39534.07351.79741.78802.72274.85255.05734.36074.5792
H93.20202.20581.10402.89204.07354.39531.79741.78802.72274.36074.57924.85255.0573
H103.39582.25512.72081.09992.26122.26123.80152.72272.72273.15062.55463.15062.5546
H112.76882.80054.21912.25881.09902.25174.85024.85254.36073.15061.85192.53423.1558
H124.09903.56904.68062.27211.09832.26565.58905.05734.57922.55461.85193.15582.5766
H132.76882.80054.21912.25882.25171.09904.85024.36074.85253.15062.53423.15581.8519
H144.09903.56904.68062.27212.26561.09835.58904.57925.05732.55463.15582.57661.8519

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 122.908 O1 C2 C4 122.056
C2 C3 H7 110.300 C2 C3 H8 110.132
C2 C3 H9 110.132 C2 C4 C5 118.387
C2 C4 C6 118.387 C2 C4 H10 115.310
C3 C2 C4 115.036 C4 C5 C6 60.308
C4 C5 H11 116.862 C4 C5 H12 118.062
C4 C6 C5 60.308 C4 C6 H13 116.862
C4 C6 H14 118.062 C5 C4 C6 59.384
C5 C4 H10 117.002 C5 C6 H13 117.361
C5 C6 H14 118.633 C6 C4 H10 117.002
C6 C5 H11 117.361 C6 C5 H12 118.633
H7 C3 H8 109.042 H7 C3 H9 109.042
H8 C3 H9 108.148 H11 C5 H12 114.880
H13 C6 H14 114.880
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability