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All results from a given calculation for C3H4 (cyclopropene)

using model chemistry: B2PLYP/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 B2PLYP/daug-cc-pVTZ
 hartrees
Energy at 0K-116.553670
Energy at 298.15K-116.556874
HF Energy-116.391180
Nuclear repulsion energy63.942954
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 B2PLYP/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 3314 3314 0.10 150.40 0.12 0.22
2 A1 3072 3072 64.88 152.20 0.11 0.21
3 A1 1709 1709 18.57 57.58 0.06 0.12
4 A1 1532 1532 1.34 12.57 0.15 0.27
5 A1 1154 1154 0.06 17.19 0.10 0.19
6 A1 930 930 4.07 4.89 0.57 0.73
7 A2 1023 1023 0.00 2.00 0.75 0.86
8 A2 862 862 0.00 1.08 0.75 0.86
9 B1 3140 3140 37.21 102.65 0.75 0.86
10 B1 1115 1115 1.53 0.12 0.75 0.86
11 B1 598 598 82.91 0.05 0.75 0.86
12 B2 3270 3270 0.43 80.25 0.75 0.86
13 B2 1074 1074 17.14 0.27 0.75 0.86
14 B2 1040 1040 40.75 0.01 0.75 0.86
15 B2 787 787 14.50 12.57 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12310.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12310.2 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 B2PLYP/daug-cc-pVTZ
ABC
1.01135 0.73295 0.46411

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/daug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.862
C2 0.000 0.646 -0.500
C3 0.000 -0.646 -0.500
H4 0.000 1.574 -1.039
H5 0.000 -1.574 -1.039
H6 0.911 0.000 1.453
H7 -0.911 0.000 1.453

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.50721.50722.46772.46771.08581.0858
C21.50721.29131.07312.28372.24942.2494
C31.50721.29132.28371.07312.24942.2494
H42.46771.07312.28373.14713.08463.0846
H52.46772.28371.07313.14713.08463.0846
H61.08582.24942.24943.08463.08461.8220
H71.08582.24942.24943.08463.08461.8220

picture of cyclopropene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 64.635 C1 C2 H4 145.514
C1 C3 C2 64.635 C1 C3 H5 145.514
C2 C1 C3 50.729 C2 C1 H6 119.451
C2 C1 H7 119.451 C2 C3 H5 149.851
C3 C1 H6 119.451 C3 C1 H7 119.451
C3 C2 H4 149.851 H6 C1 H7 114.069
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -1.075      
2 C -0.599      
3 C -0.599      
4 H 0.832      
5 H 0.832      
6 H 0.304      
7 H 0.304      


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 -0.457 0.457
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.644 0.000 0.000
y 0.000 -17.067 0.000
z 0.000 0.000 -18.813
Traceless
 xyz
x -1.704 0.000 0.000
y 0.000 2.162 0.000
z 0.000 0.000 -0.458
Polar
3z2-r2-0.915
x2-y2-2.577
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.176 0.000 0.000
y 0.000 5.552 0.000
z 0.000 0.000 5.692


<r2> (average value of r2) Å2
<r2> 37.012
(<r2>)1/2 6.084