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All results from a given calculation for C3H4O (Cyclopropanone)

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 C2V 1A1
Energy calculated at CID/6-31G*
 hartrees
Energy at 0K-191.228631
Energy at 298.15K-191.232912
HF Energy-190.725601
Nuclear repulsion energy109.127128
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
4/u)
Dep P Dep U
1 A1 3246 2999 0.89      
2 A1 2069 1911 291.65      
3 A1 1533 1416 2.29      
4 A1 1121 1036 0.07      
5 A1 1114 1029 25.53      
6 A1 775 716 6.73      
7 A2 3327 3073 0.00      
8 A2 1232 1138 0.00      
9 A2 701 647 0.00      
10 B1 3338 3083 2.85      
11 B1 1175 1086 0.37      
12 B1 752 694 0.96      
13 B1 349 322 6.43      
14 B2 3243 2996 1.97      
15 B2 1509 1394 5.58      
16 B2 1165 1076 21.24      
17 B2 1047 967 116.86      
18 B2 534 494 3.93      

Unscaled Zero Point Vibrational Energy (zpe) 14114.4 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 13037.5 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
0.68622 0.24940 0.19724

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.383
O2 0.000 0.000 1.578
C3 0.000 -0.780 -0.857
C4 0.000 0.780 -0.857
H5 -0.911 -1.281 -1.159
H6 0.911 -1.281 -1.159
H7 0.911 1.281 -1.159
H8 -0.911 1.281 -1.159

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8
C11.19491.46501.46502.20182.20182.20182.2018
O21.19492.55692.55693.15593.15593.15593.1559
C31.46502.55691.56011.08251.08252.27372.2737
C41.46502.55691.56012.27372.27371.08251.0825
H52.20183.15591.08252.27371.82173.14402.5625
H62.20183.15591.08252.27371.82172.56253.1440
H72.20183.15592.27371.08253.14402.56251.8217
H82.20183.15592.27371.08252.56253.14401.8217

picture of Cyclopropanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 57.828 C1 C3 H5 118.839
C1 C3 H6 118.839 C1 C4 C3 57.828
C1 C4 H7 118.839 C1 C4 H8 118.839
O2 C1 C3 147.828 O2 C1 C4 147.828
C3 C1 C4 64.345 C3 C4 H7 117.581
C3 C4 H8 117.581 C4 C3 H5 117.581
C4 C3 H6 117.581 H5 C3 H6 114.584
H7 C4 H8 114.584
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability