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All results from a given calculation for C3H4 (cyclopropene)

using model chemistry: B97D3/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 B97D3/cc-pVDZ
 hartrees
Energy at 0K-116.549627
Energy at 298.15K-116.552772
HF Energy-116.549627
Nuclear repulsion energy63.336304
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 B97D3/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 3238 3210 0.72 172.61 0.13 0.24
2 A1 2969 2944 81.99 158.94 0.15 0.25
3 A1 1706 1692 11.67 39.69 0.19 0.32
4 A1 1467 1454 4.34 16.88 0.32 0.49
5 A1 1147 1137 1.90 10.74 0.19 0.32
6 A1 891 883 3.55 8.18 0.67 0.80
7 A2 985 977 0.00 12.05 0.75 0.86
8 A2 821 814 0.00 0.00 0.75 0.86
9 B1 3036 3011 64.21 112.23 0.75 0.86
10 B1 1077 1068 1.35 3.29 0.75 0.86
11 B1 576 571 57.14 1.41 0.75 0.86
12 B2 3191 3164 1.26 91.54 0.75 0.86
13 B2 1033 1024 33.28 0.06 0.75 0.86
14 B2 988 980 19.70 0.00 0.75 0.86
15 B2 785 778 14.18 18.85 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11954.3 cm-1
Scaled (by 0.9915) Zero Point Vibrational Energy (zpe) 11852.6 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 B97D3/cc-pVDZ
ABC
0.98544 0.72499 0.45664

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.863
C2 0.000 0.653 -0.502
C3 0.000 -0.653 -0.502
H4 0.000 1.597 -1.048
H5 0.000 -1.597 -1.048
H6 0.924 0.000 1.470
H7 -0.924 0.000 1.470

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.51311.51312.49002.49001.10571.1057
C21.51311.30681.09002.31552.27372.2737
C31.51311.30682.31551.09002.27372.2737
H42.49001.09002.31553.19383.12153.1215
H52.49002.31551.09003.19383.12153.1215
H61.10572.27372.27373.12153.12151.8480
H71.10572.27372.27373.12153.12151.8480

picture of cyclopropene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 64.417 C1 C2 H4 145.634
C1 C3 C2 64.417 C1 C3 H5 145.634
C2 C1 C3 51.167 C2 C1 H6 119.698
C2 C1 H7 119.698 C2 C3 H5 149.950
C3 C1 H6 119.698 C3 C1 H7 119.698
C3 C2 H4 149.950 H6 C1 H7 113.366
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.023      
2 C -0.014      
3 C -0.014      
4 H -0.014      
5 H -0.014      
6 H 0.017      
7 H 0.017      


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 -0.515 0.515
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.188 0.000 0.000
y 0.000 -16.758 0.000
z 0.000 0.000 -18.478
Traceless
 xyz
x -1.571 0.000 0.000
y 0.000 2.075 0.000
z 0.000 0.000 -0.505
Polar
3z2-r2-1.009
x2-y2-2.431
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.027 0.000 0.000
y 0.000 4.979 0.000
z 0.000 0.000 5.073


<r2> (average value of r2) Å2
<r2> 37.269
(<r2>)1/2 6.105