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All results from a given calculation for C4H6O (Cyclobutanone)

using model chemistry: mPW1PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-231.204735
Energy at 298.15K-231.211502
Nuclear repulsion energy167.707711
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/aug-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' 3175 3042 23.59      
2 A' 3145 3014 3.10      
3 A' 3111 2982 23.95      
4 A' 3087 2958 7.86      
5 A' 1888 1810 336.99      
6 A' 1486 1424 1.14      
7 A' 1430 1371 1.69      
8 A' 1231 1180 4.61      
9 A' 1216 1166 1.19      
10 A' 1088 1042 0.08      
11 A' 994 952 2.09      
12 A' 860 825 2.20      
13 A' 737 706 3.11      
14 A' 683 654 2.63      
15 A' 399 382 0.99      
16 A' 70 67 4.12      
17 A" 3151 3019 3.45      
18 A" 3083 2954 12.36      
19 A" 1413 1354 22.83      
20 A" 1265 1212 10.22      
21 A" 1224 1173 1.60      
22 A" 1175 1126 6.18      
23 A" 1102 1056 64.88      
24 A" 948 909 0.14      
25 A" 940 901 0.07      
26 A" 618 592 0.03      
27 A" 465 446 4.42      

Unscaled Zero Point Vibrational Energy (zpe) 19991.4 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 19157.8 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/aug-cc-pVDZ
ABC
0.36155 0.16106 0.11969

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.377 1.831 0.000
C2 -0.084 0.668 0.000
C3 0.133 -0.368 1.103
C4 0.133 -0.368 -1.103
C5 0.133 -1.461 0.000
H6 -0.781 -2.063 0.000
H7 0.998 -2.131 0.000
H8 1.104 -0.231 1.597
H9 1.104 -0.231 -1.597
H10 -0.648 -0.408 1.872
H11 -0.648 -0.408 -1.872

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
O11.20002.51302.51303.33193.91564.19412.99942.99942.93082.9308
C21.20001.52871.52872.14012.81873.00042.18382.18382.23112.2311
C32.51301.52872.20591.55282.21932.25201.09822.87271.09633.0757
C42.51301.52872.20591.55282.21932.25202.87271.09823.07571.0963
C53.33192.14011.55281.55281.09461.09392.23792.23792.28552.2855
H63.91562.81872.21932.21931.09461.78043.07633.07632.50272.5027
H74.19413.00042.25202.25201.09391.78042.48462.48463.03013.0301
H82.99942.18381.09822.87272.23793.07632.48463.19451.78163.8901
H92.99942.18382.87271.09822.23793.07632.48463.19453.89011.7816
H102.93082.23111.09633.07572.28552.50273.03011.78163.89013.7436
H112.93082.23113.07571.09632.28552.50273.03013.89011.78163.7436

picture of Cyclobutanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 133.776 O1 C2 C4 133.776
C2 C3 C5 87.970 C2 C3 H8 111.416
C2 C3 H10 115.424 C2 C4 C5 87.970
C2 C4 H9 111.416 C2 C4 H11 115.424
C3 C2 C4 92.356 C3 C5 C4 90.520
C3 C5 H6 112.778 C3 C5 H7 115.524
C4 C5 H6 112.778 C4 C5 H7 115.524
C5 C3 H8 114.075 C5 C3 H10 118.228
C5 C4 H9 114.075 C5 C4 H11 118.228
H6 C5 H7 108.886 H8 C3 H10 108.558
H9 C4 H11 108.558
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.553      
2 C 0.353      
3 C 0.521      
4 C 0.521      
5 C 0.799      
6 H -0.293      
7 H -0.353      
8 H -0.197      
9 H -0.197      
10 H -0.300      
11 H -0.300      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.759 -3.028 0.000 3.122
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.668 1.618 0.000
y 1.618 -36.717 0.000
z 0.000 0.000 -28.942
Traceless
 xyz
x 4.162 1.618 0.000
y 1.618 -7.912 0.000
z 0.000 0.000 3.750
Polar
3z2-r27.500
x2-y28.049
xy1.618
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.043 -0.465 0.000
y -0.465 8.351 0.000
z 0.000 0.000 7.815


<r2> (average value of r2) Å2
<r2> 105.910
(<r2>)1/2 10.291