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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: B3LYP/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 B3LYP/3-21G*
 hartrees
Energy at 0K-117.246428
Energy at 298.15K 
HF Energy-117.246428
Nuclear repulsion energy75.177255
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/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' 3171 3051 0.00 202.74 0.04 0.08
2 A1' 1544 1485 0.00 8.84 0.70 0.82
3 A1' 1163 1118 0.00 24.75 0.07 0.14
4 A1" 1169 1124 0.00 0.00 0.75 0.86
5 A2' 1133 1090 0.00 0.00 0.75 0.86
6 A2" 3264 3140 24.94 0.00 0.75 0.86
7 A2" 867 834 1.07 0.00 0.75 0.86
8 E' 3163 3042 18.57 16.08 0.75 0.86
8 E' 3163 3042 18.57 16.08 0.75 0.86
9 E' 1521 1463 3.26 9.36 0.75 0.86
9 E' 1521 1463 3.26 9.36 0.75 0.86
10 E' 1085 1044 22.49 0.17 0.75 0.86
10 E' 1085 1044 22.49 0.17 0.75 0.86
11 E' 852 819 15.23 16.34 0.75 0.86
11 E' 852 819 15.23 16.34 0.75 0.86
12 E" 3240 3117 0.00 82.68 0.75 0.86
12 E" 3240 3117 0.00 82.68 0.75 0.86
13 E" 1231 1184 0.00 13.14 0.75 0.86
13 E" 1231 1184 0.00 13.14 0.75 0.86
14 E" 766 737 0.00 3.61 0.75 0.86
14 E" 766 737 0.00 3.61 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18011.7 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 17327.2 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/3-21G*
ABC
0.66191 0.66191 0.41273

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G*

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.880 0.000
C2 0.762 -0.440 0.000
C3 -0.762 -0.440 0.000
H4 0.000 1.463 0.913
H5 1.267 -0.731 0.913
H6 -1.267 -0.731 0.913
H7 0.000 1.463 -0.913
H8 1.267 -0.731 -0.913
H9 -1.267 -0.731 -0.913

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.52501.52501.08332.24442.24441.08332.24442.2444
C21.52501.52502.24441.08332.24442.24441.08332.2444
C31.52501.52502.24442.24441.08332.24442.24441.0833
H41.08332.24442.24442.53362.53361.82703.12363.1236
H52.24441.08332.24442.53362.53363.12361.82703.1236
H62.24442.24441.08332.53362.53363.12363.12361.8270
H71.08332.24442.24441.82703.12363.12362.53362.5336
H82.24441.08332.24443.12361.82703.12362.53362.5336
H92.24442.24441.08333.12363.12361.82702.53362.5336

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 117.744
C1 C2 H8 117.744 C1 C3 C2 60.000
C1 C3 H6 117.744 C1 C3 H9 117.744
C2 C1 C3 60.000 C2 C1 H4 117.744
C2 C1 H7 117.744 C2 C3 H6 117.744
C2 C3 H9 117.744 C3 C1 H4 117.744
C3 C1 H7 117.744 C3 C2 H5 117.744
C3 C2 H8 117.744 H4 C1 H7 114.968
H5 C2 H8 114.968 H6 C3 H9 114.968
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.402      
2 C -0.402      
3 C -0.402      
4 H 0.201      
5 H 0.201      
6 H 0.201      
7 H 0.201      
8 H 0.201      
9 H 0.201      


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 -20.509 0.000 0.000
y 0.000 -20.509 0.000
z 0.000 0.000 -18.315
Traceless
 xyz
x -1.097 0.000 0.000
y 0.000 -1.097 0.000
z 0.000 0.000 2.194
Polar
3z2-r24.389
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 4.140 0.000 0.000
y 0.000 4.140 0.000
z 0.000 0.000 4.046


<r2> (average value of r2) Å2
<r2> 44.151
(<r2>)1/2 6.645