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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: B3LYP/CEP-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 B3LYP/CEP-31G
 hartrees
Energy at 0K-20.487037
Energy at 298.15K 
HF Energy-20.487037
Nuclear repulsion energy42.275606
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 B3LYP/CEP-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' 3156 3056 0.00 292.31 0.04 0.09
2 A1' 1520 1472 0.00 13.19 0.34 0.51
3 A1' 1203 1165 0.00 44.42 0.10 0.18
4 A1" 1138 1102 0.00 0.00 0.75 0.86
5 A2' 1100 1066 0.00 0.00 0.75 0.86
6 A2" 3260 3157 102.61 0.00 0.75 0.86
7 A2" 845 818 5.61 0.00 0.75 0.86
8 E' 3140 3041 42.95 21.83 0.75 0.86
8 E' 3140 3041 42.95 21.83 0.75 0.86
9 E' 1468 1422 3.54 5.42 0.75 0.86
9 E' 1468 1422 3.54 5.42 0.75 0.86
10 E' 1060 1027 21.78 1.22 0.75 0.86
10 E' 1060 1027 21.78 1.22 0.75 0.86
11 E' 853 826 28.11 20.80 0.75 0.86
11 E' 853 826 28.11 20.80 0.75 0.86
12 E" 3230 3128 0.00 86.86 0.75 0.86
12 E" 3230 3128 0.00 86.85 0.75 0.86
13 E" 1195 1157 0.00 9.15 0.75 0.86
13 E" 1195 1157 0.00 9.15 0.75 0.86
14 E" 739 716 0.00 1.29 0.75 0.86
14 E" 739 716 0.00 1.29 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17794.9 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 17232.5 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 B3LYP/CEP-31G
ABC
0.64396 0.64396 0.40006

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.894 0.000
C2 0.774 -0.447 0.000
C3 -0.774 -0.447 0.000
H4 0.000 1.486 0.919
H5 1.287 -0.743 0.919
H6 -1.287 -0.743 0.919
H7 0.000 1.486 -0.919
H8 1.287 -0.743 -0.919
H9 -1.287 -0.743 -0.919

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.54871.54871.09342.27642.27641.09342.27642.2764
C21.54871.54872.27641.09342.27642.27641.09342.2764
C31.54871.54872.27642.27641.09342.27642.27641.0934
H41.09342.27642.27642.57432.57431.83843.16333.1633
H52.27641.09342.27642.57432.57433.16331.83843.1633
H62.27642.27641.09342.57432.57433.16333.16331.8384
H71.09342.27642.27641.83843.16333.16332.57432.5743
H82.27641.09342.27643.16331.83843.16332.57432.5743
H92.27642.27641.09343.16333.16331.83842.57432.5743

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 117.969
C1 C2 H8 117.969 C1 C3 C2 60.000
C1 C3 H6 117.969 C1 C3 H9 117.969
C2 C1 C3 60.000 C2 C1 H4 117.969
C2 C1 H7 117.969 C2 C3 H6 117.969
C2 C3 H9 117.969 C3 C1 H4 117.969
C3 C1 H7 117.969 C3 C2 H5 117.969
C3 C2 H8 117.969 H4 C1 H7 114.422
H5 C2 H8 114.422 H6 C3 H9 114.422
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.351      
2 C -0.351      
3 C -0.351      
4 H 0.176      
5 H 0.176      
6 H 0.176      
7 H 0.176      
8 H 0.176      
9 H 0.176      


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 -20.592 0.000 0.000
y 0.000 -20.592 0.000
z 0.000 0.000 -17.845
Traceless
 xyz
x -1.374 0.000 0.000
y 0.000 -1.374 0.000
z 0.000 0.000 2.747
Polar
3z2-r25.494
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 4.861 0.000 0.000
y 0.000 4.862 0.000
z 0.000 0.000 3.918


<r2> (average value of r2) Å2
<r2> 40.206
(<r2>)1/2 6.341