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All results from a given calculation for H2CCCCH2 (Butatriene)

using model chemistry: MP2/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at MP2/TZVP
 hartrees
Energy at 0K-154.280569
Energy at 298.15K-154.282171
HF Energy-153.741193
Nuclear repulsion energy88.910103
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 MP2/TZVP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3180 3014 0.00      
2 Ag 2187 2073 0.00      
3 Ag 1493 1416 0.00      
4 Ag 893 847 0.00      
5 Au 786 745 0.00      
6 B1u 3182 3016 2.25      
7 B1u 1668 1582 7.14      
8 B1u 1432 1358 0.23      
9 B2g 786 745 0.00      
10 B2g 269 255 0.00      
11 B2u 3271 3101 2.59      
12 B2u 1045 991 0.43      
13 B2u 214 203 8.06      
14 B3g 3272 3101 0.00      
15 B3g 1008 956 0.00      
16 B3g 271 257 0.00      
17 B3u 786 745 104.74      
18 B3u 193 183 4.52      

Unscaled Zero Point Vibrational Energy (zpe) 12969.1 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 12293.4 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 MP2/TZVP
ABC
4.86249 0.13302 0.12947

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/TZVP

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.634
C2 0.000 0.000 -0.634
C3 0.000 0.000 1.954
C4 0.000 0.000 -1.954
H5 0.000 0.927 2.513
H6 0.000 -0.927 2.513
H7 0.000 0.927 -2.513
H8 0.000 -0.927 -2.513

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8
C11.26871.31952.58812.09522.09523.28133.2813
C21.26872.58811.31953.28133.28132.09522.0952
C31.31952.58813.90761.08301.08304.56224.5622
C42.58811.31953.90764.56224.56221.08301.0830
H52.09523.28131.08304.56221.85475.02645.3576
H62.09523.28131.08304.56221.85475.35765.0264
H73.28132.09524.56221.08305.02645.35761.8547
H83.28132.09524.56221.08305.35765.02641.8547

picture of Butatriene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 180.000 C1 C3 H5 121.099
C1 C3 H6 121.099 C2 C1 C3 180.000
C2 C4 H7 121.099 C2 C4 H8 121.099
H5 C3 H6 117.803 H7 C4 H8 117.803
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability