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All results from a given calculation for C4H6O (Cyclobutanone)

using model chemistry: B1B95/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 B1B95/aug-cc-pVDZ
 hartrees
Energy at 0K-231.154990
Energy at 298.15K-231.161780
Nuclear repulsion energy 
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 B1B95/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' 3181 3047 22.85      
2 A' 3152 3019 3.26      
3 A' 3117 2986 23.85      
4 A' 3092 2962 7.54      
5 A' 1893 1813 339.46      
6 A' 1482 1420 0.89      
7 A' 1428 1368 2.37      
8 A' 1228 1176 4.61      
9 A' 1213 1162 2.07      
10 A' 1083 1038 0.10      
11 A' 998 956 1.83      
12 A' 866 829 1.93      
13 A' 735 704 2.72      
14 A' 681 653 3.50      
15 A' 396 379 0.79      
16 A' 85 81 3.97      
17 A" 3157 3024 5.15      
18 A" 3088 2958 11.11      
19 A" 1409 1350 21.41      
20 A" 1263 1210 11.64      
21 A" 1222 1171 2.30      
22 A" 1169 1119 5.81      
23 A" 1103 1057 61.08      
24 A" 951 911 0.13      
25 A" 935 896 0.14      
26 A" 619 593 0.04      
27 A" 466 446 4.63      

Unscaled Zero Point Vibrational Energy (zpe) 20004.9 cm-1
Scaled (by 0.9579) Zero Point Vibrational Energy (zpe) 19162.7 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 B1B95/aug-cc-pVDZ
ABC
0.36220 0.16208 0.12076

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.477 1.802 0.000
C2 -0.106 0.662 0.000
C3 0.168 -0.359 1.099
C4 0.168 -0.359 -1.099
C5 0.168 -1.449 0.000
H6 -0.752 -2.040 0.000
H7 1.025 -2.126 0.000
H8 1.154 -0.193 1.549
H9 1.154 -0.193 -1.549
H10 -0.577 -0.417 1.898
H11 -0.577 -0.417 -1.898

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
O11.19902.50832.50833.31483.85194.20573.00663.00662.92122.9212
C21.19901.52431.52432.12902.77813.00892.17212.17212.23312.2331
C32.50831.52432.19721.54812.20902.25081.09682.83031.09433.0882
C42.50831.52432.19721.54812.20902.25082.83031.09683.08821.0943
C53.31482.12901.54811.54811.09301.09212.22512.22512.28552.2855
H63.85192.77812.20902.20901.09301.77873.07313.07312.50342.5034
H74.20573.00892.25082.25081.09211.77872.48102.48103.01543.0154
H83.00662.17211.09682.83032.22513.07312.48103.09821.78043.8638
H93.00662.17212.83031.09682.22513.07312.48103.09823.86381.7804
H102.92122.23311.09433.08822.28552.50343.01541.78043.86383.7953
H112.92122.23313.08821.09432.28552.50343.01543.86381.78043.7953

picture of Cyclobutanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 133.809 O1 C2 C4 133.809
C2 C3 C5 87.722 C2 C3 H8 110.876
C2 C3 H10 116.057 C2 C4 C5 87.722
C2 C4 H9 110.876 C2 C4 H11 116.057
C3 C2 C4 92.229 C3 C5 C4 90.412
C3 C5 H6 112.381 C3 C5 H7 115.897
C4 C5 H6 112.381 C4 C5 H7 115.897
C5 C3 H8 113.456 C5 C3 H10 118.743
C5 C4 H9 113.456 C5 C4 H11 118.743
H6 C5 H7 108.979 H8 C3 H10 108.698
H9 C4 H11 108.698
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.527      
2 C 0.310      
3 C 0.703      
4 C 0.703      
5 C 0.953      
6 H -0.376      
7 H -0.433      
8 H -0.276      
9 H -0.276      
10 H -0.390      
11 H -0.390      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.956 -2.967 0.000 3.117
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.119 -0.577 0.000
y -0.577 8.287 0.000
z 0.000 0.000 7.801


<r2> (average value of r2) Å2
<r2> 105.318
(<r2>)1/2 10.262