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All results from a given calculation for C3H4O (Cyclopropanone)

using model chemistry: MP2=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2=FULL/6-31+G**
 hartrees
Energy at 0K-191.344467
Energy at 298.15K-191.348612
HF Energy-190.735904
Nuclear repulsion energy108.456675
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 MP2=FULL/6-31+G**
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 3213 3018 1.39      
2 A1 1913 1797 254.51      
3 A1 1486 1395 2.46      
4 A1 1081 1015 15.34      
5 A1 1055 991 17.03      
6 A1 739 694 2.91      
7 A2 3309 3108 0.00      
8 A2 1192 1119 0.00      
9 A2 670 629 0.00      
10 B1 3320 3118 0.77      
11 B1 1134 1065 0.03      
12 B1 725 681 0.91      
13 B1 299 281 4.60      
14 B2 3212 3017 1.19      
15 B2 1466 1377 5.31      
16 B2 1110 1043 14.98      
17 B2 997 936 102.85      
18 B2 513 482 1.65      

Unscaled Zero Point Vibrational Energy (zpe) 13716.7 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 12882.7 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 MP2=FULL/6-31+G**
ABC
0.67922 0.24617 0.19472

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.377
O2 0.000 0.000 1.592
C3 0.000 0.786 -0.861
C4 0.000 -0.786 -0.861
H5 0.913 1.281 -1.164
H6 -0.913 1.281 -1.164
H7 -0.913 -1.281 -1.164
H8 0.913 -1.281 -1.164

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8
C11.21511.46671.46672.20202.20202.20202.2020
O21.21512.57612.57613.17333.17333.17333.1733
C31.46672.57611.57271.08191.08192.28032.2803
C41.46672.57611.57272.28032.28031.08191.0819
H52.20203.17331.08192.28031.82683.14652.5619
H62.20203.17331.08192.28031.82682.56193.1465
H72.20203.17332.28031.08193.14652.56191.8268
H82.20203.17332.28031.08192.56193.14651.8268

picture of Cyclopropanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 57.577 C1 C3 H5 118.767
C1 C3 H6 118.767 C1 C4 C3 57.577
C1 C4 H7 118.767 C1 C4 H8 118.767
O2 C1 C3 147.577 O2 C1 C4 147.577
C3 C1 C4 64.845 C3 C4 H7 117.202
C3 C4 H8 117.202 C4 C3 H5 117.202
C4 C3 H6 117.202 H5 C3 H6 115.184
H7 C4 H8 115.184
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability