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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: mPW1PW91/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at mPW1PW91/TZVP
 hartrees
Energy at 0K-117.908581
Energy at 298.15K 
HF Energy-117.908581
Nuclear repulsion energy76.049521
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 mPW1PW91/TZVP
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' 3162 3017 0.00 288.52 0.03 0.05
2 A1' 1529 1458 0.00 1.66 0.60 0.75
3 A1' 1235 1178 0.00 35.01 0.07 0.13
4 A1" 1158 1105 0.00 0.00 0.75 0.86
5 A2' 1094 1043 0.00 0.00 0.75 0.86
6 A2" 3255 3105 26.48 0.00 0.75 0.86
7 A2" 864 825 0.63 0.00 0.75 0.86
8 E' 3155 3010 23.24 23.88 0.75 0.86
8 E' 3155 3010 23.25 23.88 0.75 0.86
9 E' 1476 1408 2.12 6.36 0.75 0.86
9 E' 1476 1408 2.12 6.36 0.75 0.86
10 E' 1060 1011 11.74 0.39 0.75 0.86
10 E' 1060 1011 11.74 0.39 0.75 0.86
11 E' 909 867 23.33 10.61 0.75 0.86
11 E' 909 867 23.33 10.60 0.75 0.86
12 E" 3234 3085 0.00 92.45 0.75 0.86
12 E" 3234 3085 0.00 92.45 0.75 0.86
13 E" 1218 1162 0.00 3.26 0.75 0.86
13 E" 1218 1162 0.00 3.26 0.75 0.86
14 E" 750 715 0.00 0.69 0.75 0.86
14 E" 750 715 0.00 0.69 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17950.4 cm-1
Scaled (by 0.954) Zero Point Vibrational Energy (zpe) 17124.7 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 mPW1PW91/TZVP
ABC
0.67856 0.67856 0.42469

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/TZVP

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.865 0.000
C2 0.749 -0.433 0.000
C3 -0.749 -0.433 0.000
H4 0.000 1.452 0.909
H5 1.257 -0.726 0.909
H6 -1.257 -0.726 0.909
H7 0.000 1.452 -0.909
H8 1.257 -0.726 -0.909
H9 -1.257 -0.726 -0.909

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.49851.49851.08192.22242.22241.08192.22242.2224
C21.49851.49852.22241.08192.22242.22241.08192.2224
C31.49851.49852.22242.22241.08192.22242.22241.0819
H41.08192.22242.22242.51492.51491.81793.10313.1031
H52.22241.08192.22242.51492.51493.10311.81793.1031
H62.22242.22241.08192.51492.51493.10313.10311.8179
H71.08192.22242.22241.81793.10313.10312.51492.5149
H82.22241.08192.22243.10311.81793.10312.51492.5149
H92.22242.22241.08193.10313.10311.81792.51492.5149

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 118.015
C1 C2 H8 118.015 C1 C3 C2 60.000
C1 C3 H6 118.015 C1 C3 H9 118.015
C2 C1 C3 60.000 C2 C1 H4 118.015
C2 C1 H7 118.015 C2 C3 H6 118.015
C2 C3 H9 118.015 C3 C1 H4 118.015
C3 C1 H7 118.015 C3 C2 H5 118.015
C3 C2 H8 118.015 H4 C1 H7 114.310
H5 C2 H8 114.310 H6 C3 H9 114.310
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.280      
2 C -0.280      
3 C -0.280      
4 H 0.140      
5 H 0.140      
6 H 0.140      
7 H 0.140      
8 H 0.140      
9 H 0.140      


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 -20.646 0.000 0.000
y 0.000 -20.646 0.000
z 0.000 0.000 -18.243
Traceless
 xyz
x -1.201 0.000 0.000
y 0.000 -1.201 0.000
z 0.000 0.000 2.403
Polar
3z2-r24.805
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 5.196 0.000 0.000
y 0.000 5.196 0.000
z 0.000 0.000 4.740


<r2> (average value of r2) Å2
<r2> 43.474
(<r2>)1/2 6.594