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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: MP2=FULL/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at MP2=FULL/3-21G*
 hartrees
Energy at 0K-116.676644
Energy at 298.15K 
HF Energy-116.400286
Nuclear repulsion energy75.031285
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/3-21G*
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' 3214 3047 0.00 183.08 0.05 0.10
2 A1' 1585 1502 0.00 9.23 0.70 0.82
3 A1' 1153 1093 0.00 22.50 0.07 0.12
4 A1" 1216 1153 0.00 0.00 0.75 0.86
5 A2' 1171 1110 0.00 0.00 0.75 0.86
6 A2" 3312 3139 20.74 0.00 0.00 0.00
7 A2" 888 842 0.67 0.00 0.00 0.00
8 E' 3205 3038 13.96 13.50 0.75 0.86
8 E' 3205 3038 13.96 13.50 0.75 0.86
9 E' 1564 1483 2.05 8.64 0.75 0.86
9 E' 1564 1483 2.05 8.64 0.75 0.86
10 E' 1148 1088 19.58 0.19 0.75 0.86
10 E' 1148 1088 19.58 0.19 0.75 0.86
11 E' 857 812 14.78 15.98 0.75 0.86
11 E' 857 812 14.78 15.98 0.75 0.86
12 E" 3289 3118 0.00 73.81 0.75 0.86
12 E" 3289 3118 0.00 73.81 0.75 0.86
13 E" 1259 1193 0.00 13.33 0.75 0.86
13 E" 1259 1193 0.00 13.33 0.75 0.86
14 E" 794 752 0.00 3.54 0.75 0.86
14 E" 794 752 0.00 3.54 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18384.3 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 17428.3 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/3-21G*
ABC
0.65910 0.65910 0.41040

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.883 0.000
C2 0.765 -0.442 0.000
C3 -0.765 -0.442 0.000
H4 0.000 1.465 0.913
H5 1.269 -0.733 0.913
H6 -1.269 -0.733 0.913
H7 0.000 1.465 -0.913
H8 1.269 -0.733 -0.913
H9 -1.269 -0.733 -0.913

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.53001.53001.08272.24852.24851.08272.24852.2485
C21.53001.53002.24851.08272.24852.24851.08272.2485
C31.53001.53002.24852.24851.08272.24852.24851.0827
H41.08272.24852.24852.53832.53831.82563.12663.1266
H52.24851.08272.24852.53832.53833.12661.82563.1266
H62.24852.24851.08272.53832.53833.12663.12661.8256
H71.08272.24852.24851.82563.12663.12662.53832.5383
H82.24851.08272.24853.12661.82563.12662.53832.5383
H92.24852.24851.08273.12663.12661.82562.53832.5383

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 117.753
C1 C2 H8 117.753 C1 C3 C2 60.000
C1 C3 H6 117.753 C1 C3 H9 117.753
C2 C1 C3 60.000 C2 C1 H4 117.753
C2 C1 H7 117.753 C2 C3 H6 117.753
C2 C3 H9 117.753 C3 C1 H4 117.753
C3 C1 H7 117.753 C3 C2 H5 117.753
C3 C2 H8 117.753 H4 C1 H7 114.945
H5 C2 H8 114.945 H6 C3 H9 114.945
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability