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All results from a given calculation for C3H4 (cyclopropene)

using model chemistry: B2PLYP=FULL/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 B2PLYP=FULL/cc-pVDZ
 hartrees
Energy at 0K-116.489792
Energy at 298.15K-116.492990
HF Energy-116.353346
Nuclear repulsion energy63.411923
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=FULL/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 3187 0.02 159.42 0.13 0.23
2 A1 3072 2944 62.18 145.76 0.14 0.25
3 A1 1718 1647 13.49 35.35 0.20 0.33
4 A1 1508 1445 2.77 15.61 0.30 0.46
5 A1 1171 1122 0.70 11.30 0.19 0.32
6 A1 921 883 3.80 8.11 0.65 0.79
7 A2 1012 970 0.00 11.38 0.75 0.86
8 A2 849 814 0.00 0.03 0.75 0.86
9 B1 3147 3016 48.80 100.94 0.75 0.86
10 B1 1101 1055 1.40 3.04 0.75 0.86
11 B1 596 572 63.82 1.22 0.75 0.86
12 B2 3279 3143 0.19 81.79 0.75 0.86
13 B2 1064 1019 30.97 0.04 0.75 0.86
14 B2 1029 986 26.10 0.02 0.75 0.86
15 B2 789 756 13.04 18.41 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12289.0 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 11779.0 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=FULL/cc-pVDZ
ABC
0.99003 0.72460 0.45712

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.865
C2 0.000 0.653 -0.502
C3 0.000 -0.653 -0.502
H4 0.000 1.591 -1.048
H5 0.000 -1.591 -1.048
H6 0.920 0.000 1.466
H7 -0.920 0.000 1.466

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.51501.51502.48762.48761.09891.0989
C21.51501.30511.08512.30862.26832.2683
C31.51501.30512.30861.08512.26832.2683
H42.48761.08512.30863.18133.11343.1134
H52.48762.30861.08513.18133.11343.1134
H61.09892.26832.26833.11343.11341.8407
H71.09892.26832.26833.11343.11341.8407

picture of cyclopropene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 64.486 C1 C2 H4 145.688
C1 C3 C2 64.486 C1 C3 H5 145.688
C2 C1 C3 51.029 C2 C1 H6 119.551
C2 C1 H7 119.551 C2 C3 H5 149.827
C3 C1 H6 119.551 C3 C1 H7 119.551
C3 C2 H4 149.827 H6 C1 H7 113.747
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability