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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: B1B95/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at B1B95/6-31G
 hartrees
Energy at 0K-117.794865
Energy at 298.15K 
HF Energy-117.794865
Nuclear repulsion energy75.687781
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 B1B95/6-31G
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' 3200 3052 0.00 239.37 0.04 0.07
2 A1' 1557 1485 0.00 6.40 0.73 0.84
3 A1' 1254 1196 0.00 30.03 0.08 0.15
4 A1" 1172 1118 0.00 0.00 0.75 0.86
5 A2' 1158 1104 0.00 0.00 0.75 0.86
6 A2" 3295 3142 36.18 0.00 0.75 0.86
7 A2" 881 840 1.31 0.00 0.75 0.86
8 E' 3188 3041 21.46 19.14 0.75 0.86
8 E' 3188 3041 21.46 19.14 0.75 0.86
9 E' 1521 1451 3.46 9.53 0.75 0.86
9 E' 1521 1451 3.46 9.53 0.75 0.86
10 E' 1111 1059 18.11 0.00 0.75 0.86
10 E' 1111 1059 18.11 0.00 0.75 0.86
11 E' 919 877 22.42 16.83 0.75 0.86
11 E' 919 877 22.42 16.83 0.75 0.86
12 E" 3272 3120 0.00 92.40 0.75 0.86
12 E" 3272 3120 0.00 92.40 0.75 0.86
13 E" 1242 1184 0.00 12.07 0.75 0.86
13 E" 1242 1184 0.00 12.07 0.75 0.86
14 E" 776 740 0.00 3.29 0.75 0.86
14 E" 776 740 0.00 3.29 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18287.5 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 17440.8 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 B1B95/6-31G
ABC
0.67197 0.67197 0.41886

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.871 0.000
C2 0.754 -0.435 0.000
C3 -0.754 -0.435 0.000
H4 0.000 1.463 0.906
H5 1.267 -0.731 0.906
H6 -1.267 -0.731 0.906
H7 0.000 1.463 -0.906
H8 1.267 -0.731 -0.906
H9 -1.267 -0.731 -0.906

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.50841.50841.08232.23462.23461.08232.23462.2346
C21.50841.50842.23461.08232.23462.23461.08232.2346
C31.50841.50842.23462.23461.08232.23462.23461.0823
H41.08232.23462.23462.53392.53391.81213.11513.1151
H52.23461.08232.23462.53392.53393.11511.81213.1151
H62.23462.23461.08232.53392.53393.11513.11511.8121
H71.08232.23462.23461.81213.11513.11512.53392.5339
H82.23461.08232.23463.11511.81213.11512.53392.5339
H92.23462.23461.08233.11513.11511.81212.53392.5339

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 118.276
C1 C2 H8 118.276 C1 C3 C2 60.000
C1 C3 H6 118.276 C1 C3 H9 118.276
C2 C1 C3 60.000 C2 C1 H4 118.276
C2 C1 H7 118.276 C2 C3 H6 118.276
C2 C3 H9 118.276 C3 C1 H4 118.276
C3 C1 H7 118.276 C3 C2 H5 118.276
C3 C2 H8 118.276 H4 C1 H7 113.677
H5 C2 H8 113.677 H6 C3 H9 113.677
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.334      
2 C -0.334      
3 C -0.334      
4 H 0.167      
5 H 0.167      
6 H 0.167      
7 H 0.167      
8 H 0.167      
9 H 0.167      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.280 0.000 0.000
y 0.000 -20.280 0.000
z 0.000 0.000 -18.154
Traceless
 xyz
x -1.063 0.000 0.000
y 0.000 -1.063 0.000
z 0.000 0.000 2.126
Polar
3z2-r24.253
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.332 0.000 0.000
y 0.000 4.332 0.000
z 0.000 0.000 4.216


<r2> (average value of r2) Å2
<r2> 43.643
(<r2>)1/2 6.606