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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: QCISD(T)/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at QCISD(T)/aug-cc-pVDZ
 hartrees
Energy at 0K-117.565203
Energy at 298.15K-117.571515
HF Energy-117.069650
Nuclear repulsion energy74.875391
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 QCISD(T)/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 A1' 3141 3071        
2 A1' 1506 1473        
3 A1' 1201 1175        
4 A1" 1136 1111        
5 A2' 1050 1027        
6 A2" 3237 3165        
7 A2" 837 818        
8 E' 3128 3058        
8 E' 3128 3058        
9 E' 1453 1421        
9 E' 1453 1421        
10 E' 1031 1008        
10 E' 1031 1008        
11 E' 876 856        
11 E' 875 856        
12 E" 3216 3145        
12 E" 3216 3144        
13 E" 1194 1167        
13 E" 1193 1167        
14 E" 722 706        
14 E" 721 705        

Unscaled Zero Point Vibrational Energy (zpe) 17672.0 cm-1
Scaled (by 0.9778) Zero Point Vibrational Energy (zpe) 17279.7 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 QCISD(T)/aug-cc-pVDZ
ABC
0.65719 0.65719 0.41117

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.881 0.000
C2 0.763 -0.440 0.000
C3 -0.763 -0.440 0.000
H4 0.000 1.470 0.923
H5 1.273 -0.735 0.923
H6 -1.273 -0.735 0.923
H7 0.000 1.470 -0.923
H8 1.273 -0.735 -0.923
H9 -1.273 -0.735 -0.923

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.52571.52571.09492.25462.25461.09492.25462.2546
C21.52571.52572.25461.09492.25462.25461.09492.2546
C31.52571.52572.25462.25461.09492.25462.25461.0949
H41.09492.25462.25462.54602.54601.84603.14483.1448
H52.25461.09492.25462.54602.54603.14481.84603.1448
H62.25462.25461.09492.54602.54603.14483.14481.8460
H71.09492.25462.25461.84603.14483.14482.54602.5460
H82.25461.09492.25463.14481.84603.14482.54602.5460
H92.25462.25461.09493.14483.14481.84602.54602.5460

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 117.769
C1 C2 H8 117.769 C1 C3 C2 60.000
C1 C3 H6 117.769 C1 C3 H9 117.769
C2 C1 C3 60.000 C2 C1 H4 117.769
C2 C1 H7 117.769 C2 C3 H6 117.769
C2 C3 H9 117.769 C3 C1 H4 117.769
C3 C1 H7 117.769 C3 C2 H5 117.769
C3 C2 H8 117.769 H4 C1 H7 114.907
H5 C2 H8 114.907 H6 C3 H9 114.907
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability