return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for H2CCCCH2 (Butatriene)

using model chemistry: B3PW91/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at B3PW91/cc-pVTZ
 hartrees
Energy at 0K-154.721739
Energy at 298.15K-154.723866
Nuclear repulsion energy89.271379
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 B3PW91/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 Ag 3124 3004 0.00      
2 Ag 2211 2126 0.00      
3 Ag 1459 1403 0.00      
4 Ag 907 873 0.00      
5 Au 777 748 0.00      
6 B1u 3127 3007 4.45      
7 B1u 1690 1625 22.95      
8 B1u 1402 1348 0.33      
9 B2g 887 853 0.00      
10 B2g 575 553 0.00      
11 B2u 3203 3080 3.10      
12 B2u 1035 995 0.64      
13 B2u 225 216 7.45      
14 B3g 3204 3081 0.00      
15 B3g 1015 976 0.00      
16 B3g 362 348 0.00      
17 B3u 891 857 96.78      
18 B3u 230 221 6.40      

Unscaled Zero Point Vibrational Energy (zpe) 13161.7 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 12656.3 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 B3PW91/cc-pVTZ
ABC
4.87203 0.13430 0.13070

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.632
C2 0.000 0.000 -0.632
C3 0.000 0.000 1.943
C4 0.000 0.000 -1.943
H5 0.000 0.926 2.507
H6 0.000 -0.926 2.507
H7 0.000 0.926 -2.507
H8 0.000 -0.926 -2.507

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8
C11.26411.31082.57492.09152.09153.27313.2731
C21.26412.57491.31083.27313.27312.09152.0915
C31.31082.57493.88571.08481.08484.54544.5454
C42.57491.31083.88574.54544.54541.08481.0848
H52.09153.27311.08484.54541.85295.01445.3458
H62.09153.27311.08484.54541.85295.34585.0144
H73.27312.09154.54541.08485.01445.34581.8529
H83.27312.09154.54541.08485.34585.01441.8529

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 121.348
C1 C3 H6 121.348 C2 C1 C3 180.000
C2 C4 H7 121.348 C2 C4 H8 121.348
H5 C3 H6 117.304 H7 C4 H8 117.304
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.115      
2 C 0.115      
3 C -0.367      
4 C -0.367      
5 H 0.126      
6 H 0.126      
7 H 0.126      
8 H 0.126      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.492 0.000 0.000
y 0.000 -22.946 0.000
z 0.000 0.000 -17.798
Traceless
 xyz
x -6.119 0.000 0.000
y 0.000 -0.801 0.000
z 0.000 0.000 6.921
Polar
3z2-r213.841
x2-y2-3.545
xy0.000
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000