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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: MP4/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at MP4/CEP-121G
 hartrees
Energy at 0K-20.179070
Energy at 298.15K-20.185451
HF Energy-19.864517
Nuclear repulsion energy42.091312
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 MP4/CEP-121G
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' 3056 2885        
2 A1' 1507 1422        
3 A1' 1167 1101        
4 A1" 1178 1112        
5 A2' 1119 1056        
6 A2" 3163 2986        
7 A2" 846 798        
8 E' 3038 2867        
8 E' 3038 2867        
9 E' 1475 1392        
9 E' 1475 1392        
10 E' 1128 1064        
10 E' 1128 1064        
11 E' 840 793        
11 E' 840 793        
12 E" 3140 2963        
12 E" 3139 2963        
13 E" 1217 1149        
13 E" 1217 1149        
14 E" 770 727        
14 E" 770 727        

Unscaled Zero Point Vibrational Energy (zpe) 17625.3 cm-1
Scaled (by 0.9438) Zero Point Vibrational Energy (zpe) 16634.8 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 MP4/CEP-121G
ABC
0.63735 0.63735 0.39588

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/CEP-121G

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.900 0.000
C2 0.779 -0.450 0.000
C3 -0.779 -0.450 0.000
H4 0.000 1.490 0.924
H5 1.290 -0.745 0.924
H6 -1.290 -0.745 0.924
H7 0.000 1.490 -0.924
H8 1.290 -0.745 -0.924
H9 -1.290 -0.745 -0.924

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.55881.55881.09592.28552.28551.09592.28552.2855
C21.55881.55882.28551.09592.28552.28551.09592.2855
C31.55881.55882.28552.28551.09592.28552.28551.0959
H41.09592.28552.28552.58062.58061.84723.17363.1736
H52.28551.09592.28552.58062.58063.17361.84723.1736
H62.28552.28551.09592.58062.58063.17363.17361.8472
H71.09592.28552.28551.84723.17363.17362.58062.5806
H82.28551.09592.28553.17361.84723.17362.58062.5806
H92.28552.28551.09593.17363.17361.84722.58062.5806

picture of Cyclopropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 60.000 C1 C2 H5 117.786
C1 C2 H8 117.786 C1 C3 C2 60.000
C1 C3 H6 117.786 C1 C3 H9 117.786
C2 C1 C3 60.000 C2 C1 H4 117.786
C2 C1 H7 117.786 C2 C3 H6 117.786
C2 C3 H9 117.786 C3 C1 H4 117.786
C3 C1 H7 117.786 C3 C2 H5 117.786
C3 C2 H8 117.786 H4 C1 H7 114.867
H5 C2 H8 114.867 H6 C3 H9 114.867
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability