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All results from a given calculation for C3H4 (cyclopropene)

using model chemistry: HSEh1PBE/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2v 1A1
Energy calculated at HSEh1PBE/aug-cc-pVDZ
 hartrees
Energy at 0K-116.495586
Energy at 298.15K-116.498784
HF Energy-116.495586
Nuclear repulsion energy63.696747
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 HSEh1PBE/aug-cc-pVDZ
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 3324 3199 0.11 148.68 0.13 0.22
2 A1 3060 2944 73.46 155.80 0.12 0.22
3 A1 1748 1682 15.28 66.53 0.07 0.12
4 A1 1508 1451 1.73 10.81 0.20 0.33
5 A1 1182 1137 0.37 16.36 0.12 0.21
6 A1 922 887 5.02 4.25 0.63 0.78
7 A2 1011 973 0.00 2.57 0.75 0.86
8 A2 829 798 0.00 0.94 0.75 0.86
9 B1 3132 3014 43.77 113.94 0.75 0.86
10 B1 1102 1060 1.36 0.10 0.75 0.86
11 B1 580 558 85.54 0.06 0.75 0.86
12 B2 3276 3152 0.45 79.73 0.75 0.86
13 B2 1066 1025 31.31 0.27 0.75 0.86
14 B2 1030 991 23.34 0.09 0.75 0.86
15 B2 811 780 19.74 13.75 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12289.3 cm-1
Scaled (by 0.9622) Zero Point Vibrational Energy (zpe) 11824.8 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 HSEh1PBE/aug-cc-pVDZ
ABC
0.99891 0.73155 0.46156

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.860
C2 0.000 0.649 -0.499
C3 0.000 -0.649 -0.499
H4 0.000 1.586 -1.044
H5 0.000 -1.586 -1.044
H6 0.918 0.000 1.461
H7 -0.918 0.000 1.461

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.50641.50642.47792.47791.09721.0972
C21.50641.29801.08352.30012.26002.2600
C31.50641.29802.30011.08352.26002.2600
H42.47791.08352.30013.17143.10363.1036
H52.47792.30011.08353.17143.10363.1036
H61.09722.26002.26003.10363.10361.8359
H71.09722.26002.26003.10363.10361.8359

picture of cyclopropene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 64.480 C1 C2 H4 145.695
C1 C3 C2 64.480 C1 C3 H5 145.695
C2 C1 C3 51.041 C2 C1 H6 119.627
C2 C1 H7 119.627 C2 C3 H5 149.826
C3 C1 H6 119.627 C3 C1 H7 119.627
C3 C2 H4 149.826 H6 C1 H7 113.568
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.690      
2 C 0.417      
3 C 0.417      
4 H -0.379      
5 H -0.379      
6 H -0.383      
7 H -0.383      


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 -0.481 0.481
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.549 0.000 0.000
y 0.000 -16.821 0.000
z 0.000 0.000 -18.731
Traceless
 xyz
x -1.774 0.000 0.000
y 0.000 2.319 0.000
z 0.000 0.000 -0.545
Polar
3z2-r2-1.091
x2-y2-2.728
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.167 0.000 0.000
y 0.000 5.580 0.000
z 0.000 0.000 5.718


<r2> (average value of r2) Å2
<r2> 37.121
(<r2>)1/2 6.093