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All results from a given calculation for C3H4 (cyclopropene)

using model chemistry: B2PLYP=FULLultrafine/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=FULLultrafine/daug-cc-pVTZ
 hartrees
Energy at 0K-116.569807
Energy at 298.15K 
HF Energy-116.391264
Nuclear repulsion energy64.010190
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=FULLultrafine/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 3313 3313 0.14 150.19 0.12 0.21
2 A1 3076 3076 64.81 151.06 0.12 0.21
3 A1 1714 1714 18.38 57.42 0.06 0.12
4 A1 1534 1534 1.33 12.36 0.16 0.27
5 A1 1157 1157 0.07 16.99 0.10 0.19
6 A1 932 932 4.17 4.76 0.58 0.74
7 A2 1026 1026 0.00 2.01 0.75 0.86
8 A2 869 869 0.00 1.08 0.75 0.86
9 B1 3137 3137 37.07 102.29 0.75 0.86
10 B1 1117 1117 1.56 0.11 0.75 0.86
11 B1 603 603 82.82 0.04 0.75 0.86
12 B2 3267 3267 0.47 79.58 0.75 0.86
13 B2 1075 1075 15.36 0.27 0.75 0.86
14 B2 1041 1041 42.62 0.02 0.75 0.86
15 B2 789 789 14.58 12.49 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12324.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12324.1 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=FULLultrafine/daug-cc-pVTZ
ABC
1.01328 0.73464 0.46512

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/daug-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 0.645 -0.499
C3 0.000 -0.645 -0.499
H4 0.000 1.572 -1.038
H5 0.000 -1.572 -1.038
H6 0.910 0.000 1.451
H7 -0.910 0.000 1.451

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.50551.50552.46502.46501.08481.0848
C21.50551.29001.07212.28162.24702.2470
C31.50551.29002.28161.07212.24702.2470
H42.46501.07212.28163.14453.08133.0813
H52.46502.28161.07213.14453.08133.0813
H61.08482.24702.24703.08133.08131.8204
H71.08482.24702.24703.08133.08131.8204

picture of cyclopropene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 64.632 C1 C2 H4 145.502
C1 C3 C2 64.632 C1 C3 H5 145.502
C2 C1 C3 50.737 C2 C1 H6 119.448
C2 C1 H7 119.448 C2 C3 H5 149.867
C3 C1 H6 119.448 C3 C1 H7 119.448
C3 C2 H4 149.867 H6 C1 H7 114.074
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability