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All results from a given calculation for C3H4 (cyclopropene)

using model chemistry: wB97X-D/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2v 1A1
Energy calculated at wB97X-D/daug-cc-pVTZ
 hartrees
Energy at 0K-116.620044
Energy at 298.15K-116.623273
HF Energy-116.620044
Nuclear repulsion energy64.093842
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 wB97X-D/daug-cc-pVTZ
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 3320 3320 0.34 136.48 0.12 0.22
2 A1 3066 3066 67.87 148.20 0.12 0.21
3 A1 1752 1752 17.62 64.74 0.06 0.11
4 A1 1529 1529 1.21 10.79 0.19 0.32
5 A1 1156 1156 0.10 16.69 0.10 0.19
6 A1 925 925 4.65 4.80 0.57 0.72
7 A2 1025 1025 0.00 2.48 0.75 0.86
8 A2 890 890 0.00 1.07 0.75 0.86
9 B1 3133 3133 39.60 101.43 0.75 0.86
10 B1 1115 1115 1.89 0.12 0.75 0.86
11 B1 612 612 87.81 0.03 0.75 0.86
12 B2 3273 3273 0.80 73.49 0.75 0.86
13 B2 1082 1082 22.90 0.41 0.75 0.86
14 B2 1052 1052 34.97 0.06 0.75 0.86
15 B2 808 808 19.05 12.43 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12368.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12368.5 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 wB97X-D/daug-cc-pVTZ
ABC
1.01998 0.73417 0.46647

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/daug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.860
C2 0.000 0.642 -0.499
C3 0.000 -0.642 -0.499
H4 0.000 1.569 -1.040
H5 0.000 -1.569 -1.040
H6 0.912 0.000 1.453
H7 -0.912 0.000 1.453

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.50361.50362.46462.46461.08751.0875
C21.50361.28371.07362.27642.24852.2485
C31.50361.28372.27641.07362.24852.2485
H42.46461.07362.27643.13883.08393.0839
H52.46462.27641.07363.13883.08393.0839
H61.08752.24852.24853.08393.08391.8233
H71.08752.24852.24853.08393.08391.8233

picture of cyclopropene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 64.729 C1 C2 H4 145.509
C1 C3 C2 64.729 C1 C3 H5 145.509
C2 C1 C3 50.541 C2 C1 H6 119.542
C2 C1 H7 119.542 C2 C3 H5 149.762
C3 C1 H6 119.542 C3 C1 H7 119.542
C3 C2 H4 149.762 H6 C1 H7 113.918
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -1.186      
2 C -0.494      
3 C -0.494      
4 H 0.714      
5 H 0.714      
6 H 0.372      
7 H 0.372      


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 -0.495 0.495
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.395 0.000 0.000
y 0.000 -16.706 0.000
z 0.000 0.000 -18.496
Traceless
 xyz
x -1.794 0.000 0.000
y 0.000 2.239 0.000
z 0.000 0.000 -0.446
Polar
3z2-r2-0.891
x2-y2-2.689
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.152 0.000 0.000
y 0.000 5.484 0.000
z 0.000 0.000 5.621


<r2> (average value of r2) Å2
<r2> 36.719
(<r2>)1/2 6.060