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All results from a given calculation for C3H4 (cyclopropene)

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/cc-pVTZ
 hartrees
Energy at 0K-116.665636
Energy at 298.15K-116.668853
HF Energy-116.665636
Nuclear repulsion energy64.001057
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 B3LYPultrafine/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 3294 3184 0.02 148.01 0.16 0.27
2 A1 3038 2937 74.45 150.74 0.14 0.25
3 A1 1734 1677 15.97 44.74 0.15 0.26
4 A1 1525 1474 2.35 14.50 0.22 0.36
5 A1 1151 1112 0.42 13.10 0.14 0.25
6 A1 924 893 4.07 5.46 0.61 0.76
7 A2 1018 984 0.00 6.67 0.75 0.86
8 A2 871 842 0.00 0.14 0.75 0.86
9 B1 3099 2995 47.40 100.83 0.75 0.86
10 B1 1115 1077 1.82 1.29 0.75 0.86
11 B1 603 583 76.47 0.66 0.75 0.86
12 B2 3247 3139 0.01 79.71 0.75 0.86
13 B2 1075 1039 21.51 0.03 0.75 0.86
14 B2 1039 1004 40.28 0.04 0.75 0.86
15 B2 784 758 14.28 15.70 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12257.7 cm-1
Scaled (by 0.9667) Zero Point Vibrational Energy (zpe) 11849.5 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 B3LYPultrafine/cc-pVTZ
ABC
1.01680 0.73223 0.46494

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.861
C2 0.000 0.643 -0.500
C3 0.000 -0.643 -0.500
H4 0.000 1.571 -1.041
H5 0.000 -1.571 -1.041
H6 0.911 0.000 1.457
H7 -0.911 0.000 1.457

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.50581.50582.46742.46741.08811.0881
C21.50581.28651.07422.27972.25222.2522
C31.50581.28652.27971.07422.25222.2522
H42.46741.07422.27973.14263.08833.0883
H52.46742.27971.07423.14263.08833.0883
H61.08812.25222.25223.08833.08831.8215
H71.08812.25222.25223.08833.08831.8215

picture of cyclopropene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 64.710 C1 C2 H4 145.530
C1 C3 C2 64.710 C1 C3 H5 145.530
C2 C1 C3 50.580 C2 C1 H6 119.654
C2 C1 H7 119.654 C2 C3 H5 149.760
C3 C1 H6 119.654 C3 C1 H7 119.654
C3 C2 H4 149.760 H6 C1 H7 113.649
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.197      
2 C -0.116      
3 C -0.116      
4 H 0.125      
5 H 0.125      
6 H 0.090      
7 H 0.090      


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 -0.491 0.491
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.483 0.000 0.000
y 0.000 -16.954 0.000
z 0.000 0.000 -18.677
Traceless
 xyz
x -1.667 0.000 0.000
y 0.000 2.126 0.000
z 0.000 0.000 -0.459
Polar
3z2-r2-0.918
x2-y2-2.529
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.557 0.000 0.000
y 0.000 5.202 0.000
z 0.000 0.000 5.377


<r2> (average value of r2) Å2
<r2> 36.901
(<r2>)1/2 6.075