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

using model chemistry: mPW1PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/3-21G
 hartrees
Energy at 0K-268.989159
Energy at 298.15K-268.997946
HF Energy-268.989159
Nuclear repulsion energy230.627207
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 mPW1PW91/3-21G
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' 3303 3153 1.43      
2 A' 3254 3106 3.31      
3 A' 3195 3050 4.84      
4 A' 3194 3049 9.39      
5 A' 3071 2932 1.03      
6 A' 1761 1681 66.55      
7 A' 1522 1453 9.50      
8 A' 1510 1441 13.07      
9 A' 1433 1368 45.68      
10 A' 1417 1352 100.36      
11 A' 1222 1166 76.75      
12 A' 1210 1155 25.61      
13 A' 1138 1086 16.99      
14 A' 1096 1046 17.80      
15 A' 994 949 40.31      
16 A' 913 871 25.09      
17 A' 828 791 3.42      
18 A' 778 742 0.18      
19 A' 596 569 5.81      
20 A' 389 371 6.01      
21 A' 258 246 5.32      
22 A" 3287 3137 0.47      
23 A" 3193 3048 7.69      
24 A" 3135 2992 4.33      
25 A" 1544 1474 15.61      
26 A" 1489 1422 10.81      
27 A" 1237 1181 0.00      
28 A" 1155 1103 1.39      
29 A" 1148 1096 6.52      
30 A" 1098 1049 11.39      
31 A" 910 869 2.33      
32 A" 832 794 4.63      
33 A" 649 620 0.43      
34 A" 272 259 0.06      
35 A" 148 141 0.43      
36 A" 76 73 2.60      

Unscaled Zero Point Vibrational Energy (zpe) 26626.7 cm-1
Scaled (by 0.9546) Zero Point Vibrational Energy (zpe) 25417.8 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 mPW1PW91/3-21G
ABC
0.23708 0.08943 0.07775

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.325 -0.838 0.000
C2 -0.090 -0.788 0.000
C3 0.783 -2.023 0.000
C4 0.628 0.509 0.000
C5 -0.090 1.634 0.750
C6 -0.090 1.634 -0.750
H7 0.157 -2.916 0.000
H8 1.430 -2.022 -0.885
H9 1.430 -2.022 0.885
H10 1.708 0.484 0.000
H11 -1.010 1.333 1.236
H12 0.527 2.357 1.268
H13 -1.010 1.333 -1.236
H14 0.527 2.357 -1.268

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.23572.41772.37242.86392.86392.55193.12653.12653.30882.51863.90472.51863.9047
C21.23571.51221.48232.53582.53582.14222.14882.14882.20272.62163.44642.62163.4464
C32.41771.51222.53623.83393.83391.09061.09651.09652.67174.00034.56634.00034.5663
C42.37241.48232.53621.53131.53133.45682.79832.79831.08082.21112.24342.21112.2434
C52.86392.53583.83391.53131.49974.61834.28393.96202.26291.08301.08232.20932.2306
C62.86392.53583.83391.53131.49974.61833.96204.28392.26292.20932.23061.08301.0823
H72.55192.14221.09063.45684.61834.61831.79001.79003.73674.57645.43544.57645.4354
H83.12652.14881.09652.79834.28393.96201.79001.76992.67164.65924.96194.16314.4868
H93.12652.14881.09652.79833.96204.28391.79001.76992.67164.16314.48684.65924.9619
H103.30882.20272.67171.08082.26292.26293.73672.67162.67163.10432.55163.10432.5516
H112.51862.62164.00032.21111.08302.20934.57644.65924.16313.10431.84672.47263.1117
H123.90473.44644.56632.24341.08232.23065.43544.96194.48682.55161.84673.11172.5366
H132.51862.62164.00032.21112.20931.08304.57644.16314.65923.10432.47263.11171.8467
H143.90473.44644.56632.24342.23061.08235.43544.48684.96192.55163.11172.53661.8467

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 122.930 O1 C2 C4 121.314
C2 C3 H7 109.714 C2 C3 H8 109.891
C2 C3 H9 109.891 C2 C4 C5 114.580
C2 C4 C6 114.580 C2 C4 H10 117.648
C3 C2 C4 115.755 C4 C5 C6 60.680
C4 C5 H11 114.424 C4 C5 H12 117.230
C4 C6 C5 60.680 C4 C6 H13 114.424
C4 C6 H14 117.230 C5 C4 C6 58.639
C5 C4 H10 119.062 C5 C6 H13 116.691
C5 C6 H14 118.621 C6 C4 H10 119.062
C6 C5 H11 116.691 C6 C5 H12 118.621
H7 C3 H8 109.850 H7 C3 H9 109.850
H8 C3 H9 107.618 H11 C5 H12 117.051
H13 C6 H14 117.051
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.479      
2 C 0.492      
3 C -0.706      
4 C -0.457      
5 C -0.399      
6 C -0.399      
7 H 0.250      
8 H 0.242      
9 H 0.242      
10 H 0.225      
11 H 0.259      
12 H 0.236      
13 H 0.259      
14 H 0.236      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.658 0.543 0.000 2.713
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.450 -1.838 0.000
y -1.838 -34.432 0.000
z 0.000 0.000 -35.868
Traceless
 xyz
x -3.300 -1.838 0.000
y -1.838 2.727 0.000
z 0.000 0.000 0.573
Polar
3z2-r21.146
x2-y2-4.018
xy-1.838
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.061 -0.170 0.000
y -0.170 8.381 0.000
z 0.000 0.000 5.937


<r2> (average value of r2) Å2
<r2> 166.166
(<r2>)1/2 12.891