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All results from a given calculation for C3H4 (cyclopropene)

using model chemistry: MP4=FULL/daug-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 MP4=FULL/daug-cc-pVDZ
 hartrees
Energy at 0K-116.307756
Energy at 298.15K-116.310878
HF Energy-115.834029
Nuclear repulsion energy62.910553
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 MP4=FULL/daug-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 3304 3304        
2 A1 3064 3064        
3 A1 1653 1653        
4 A1 1502 1502        
5 A1 1144 1144        
6 A1 910 910        
7 A2 1006 1006        
8 A2 770 770        
9 B1 3144 3144        
10 B1 1082 1082        
11 B1 539 539        
12 B2 3259 3259        
13 B2 1053 1053        
14 B2 1009 1009        
15 B2 769 769        

Unscaled Zero Point Vibrational Energy (zpe) 12102.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12102.7 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 MP4=FULL/daug-cc-pVDZ
ABC
0.97221 0.71385 0.44935

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/daug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.874
C2 0.000 0.660 -0.506
C3 0.000 -0.660 -0.506
H4 0.000 1.600 -1.053
H5 0.000 -1.600 -1.053
H6 0.924 0.000 1.471
H7 -0.924 0.000 1.471

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.53001.53002.50472.50471.09961.0996
C21.53001.32051.08712.32522.27972.2797
C31.53001.32052.32521.08712.27972.2797
H42.50471.08712.32523.19953.12773.1277
H52.50472.32521.08713.19953.12773.1277
H61.09962.27972.27973.12773.12771.8472
H71.09962.27972.27973.12773.12771.8472

picture of cyclopropene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 64.436 C1 C2 H4 145.775
C1 C3 C2 64.436 C1 C3 H5 145.775
C2 C1 C3 51.129 C2 C1 H6 119.311
C2 C1 H7 119.311 C2 C3 H5 149.789
C3 C1 H6 119.311 C3 C1 H7 119.311
C3 C2 H4 149.789 H6 C1 H7 114.268
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability