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

using model chemistry: CID/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CID/6-31G*
 hartrees
Energy at 0K-269.539733
Energy at 298.15K-269.548612
HF Energy-268.834401
Nuclear repulsion energy231.556258
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 CID/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3380 3122 6.30      
2 A' 3305 3052 8.92      
3 A' 3293 3042 7.98      
4 A' 3284 3033 9.83      
5 A' 3169 2927 2.95      
6 A' 1926 1779 137.90      
7 A' 1608 1485 14.95      
8 A' 1566 1447 11.73      
9 A' 1524 1407 104.82      
10 A' 1484 1371 6.63      
11 A' 1303 1203 10.19      
12 A' 1276 1179 79.60      
13 A' 1182 1092 13.14      
14 A' 1153 1065 10.53      
15 A' 1044 964 38.93      
16 A' 988 912 17.18      
17 A' 856 791 0.99      
18 A' 799 738 0.07      
19 A' 624 577 15.93      
20 A' 391 361 4.33      
21 A' 255 235 4.87      
22 A" 3368 3111 0.49      
23 A" 3278 3028 12.34      
24 A" 3238 2991 9.20      
25 A" 1573 1453 10.22      
26 A" 1553 1435 2.80      
27 A" 1287 1188 0.17      
28 A" 1206 1114 1.77      
29 A" 1182 1092 2.56      
30 A" 1128 1042 3.91      
31 A" 964 890 0.82      
32 A" 895 826 5.59      
33 A" 639 590 3.07      
34 A" 277 256 0.62      
35 A" 146 135 0.01      
36 A" 72 67 1.97      

Unscaled Zero Point Vibrational Energy (zpe) 27606.9 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 25500.5 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 CID/6-31G*
ABC
0.24349 0.08833 0.07731

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.470 -0.555 0.000
C2 -0.278 -0.755 0.000
C3 0.297 -2.148 0.000
C4 0.694 0.372 0.000
C5 0.297 1.624 0.741
C6 0.297 1.624 -0.741
H7 -0.506 -2.877 0.000
H8 0.926 -2.292 -0.878
H9 0.926 -2.292 0.878
H10 1.741 0.105 0.000
H11 -0.659 1.593 1.240
H12 1.077 2.158 1.261
H13 -0.659 1.593 -1.240
H14 1.077 2.158 -1.261

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.20912.37932.35462.90142.90142.51423.08753.08753.27802.60963.92892.60963.9289
C21.20911.50661.48852.55702.55702.13382.14082.14082.19412.68273.45132.68273.4513
C32.37931.50662.55093.84363.84361.08461.08971.08972.67554.05534.55384.05534.5538
C42.35461.48852.55091.50771.50773.46342.81442.81441.08002.20412.21962.20412.2196
C52.90142.55703.84361.50771.48104.63124.28353.96842.22261.07841.07902.19892.2137
C62.90142.55703.84361.50771.48104.63123.96844.28352.22262.19892.21371.07841.0790
H72.51422.13381.08463.46344.63124.63121.77891.77893.73324.64135.42624.64135.4262
H83.08752.14081.08972.81444.28353.96841.77891.75542.67914.70014.93964.21174.4689
H93.08752.14081.08972.81443.96844.28351.77891.75542.67914.21174.46894.70014.9396
H103.27802.19412.67551.08002.22262.22263.73322.67912.67913.08352.49943.08352.4994
H112.60962.68274.05532.20411.07842.19894.64134.70014.21173.08351.82482.47943.0958
H123.92893.45134.55382.21961.07902.21375.42624.93964.46892.49941.82483.09582.5226
H132.60962.68274.05532.20412.19891.07844.64134.21174.70013.08352.47943.09581.8248
H143.92893.45134.55382.21962.21371.07905.42624.46894.93962.49943.09582.52261.8248

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 121.972 O1 C2 C4 121.240
C2 C3 H7 109.799 C2 C3 H8 110.047
C2 C3 H9 110.047 C2 C4 C5 117.171
C2 C4 C6 117.171 C2 C4 H10 116.454
C3 C2 C4 116.788 C4 C5 C6 60.584
C4 C5 H11 115.929 C4 C5 H12 117.236
C4 C6 C5 60.584 C4 C6 H13 115.929
C4 C6 H14 117.236 C5 C4 C6 58.832
C5 C4 H10 117.432 C5 C6 H13 117.572
C5 C6 H14 118.860 C6 C4 H10 117.432
C6 C5 H11 117.572 C6 C5 H12 118.860
H7 C3 H8 109.800 H7 C3 H9 109.800
H8 C3 H9 107.313 H11 C5 H12 115.514
H13 C6 H14 115.514
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability