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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: B1B95/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31G*
 hartrees
Energy at 0K-269.190380
Energy at 298.15K-269.195886
HF Energy-269.190380
Nuclear repulsion energy194.209861
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 B1B95/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3287 3121 8.40      
2 A' 3224 3061 5.14      
3 A' 3205 3042 6.75      
4 A' 3194 3032 7.76      
5 A' 3169 3008 7.59      
6 A' 2922 2774 110.65      
7 A' 1832 1739 342.26      
8 A' 1743 1654 60.24      
9 A' 1692 1606 24.53      
10 A' 1474 1399 3.71      
11 A' 1424 1352 1.03      
12 A' 1335 1268 3.32      
13 A' 1329 1262 2.31      
14 A' 1271 1207 4.17      
15 A' 1208 1147 26.04      
16 A' 1148 1089 104.13      
17 A' 972 923 5.87      
18 A' 600 569 15.85      
19 A' 431 409 0.29      
20 A' 376 357 4.32      
21 A' 141 134 5.86      
22 A" 1064 1010 37.81      
23 A" 1029 977 5.32      
24 A" 998 948 12.68      
25 A" 964 915 31.24      
26 A" 884 839 7.70      
27 A" 658 624 2.05      
28 A" 285 271 6.61      
29 A" 215 204 1.28      
30 A" 98 93 2.68      

Unscaled Zero Point Vibrational Energy (zpe) 21085.7 cm-1
Scaled (by 0.9493) Zero Point Vibrational Energy (zpe) 20016.6 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 B1B95/6-31G*
ABC
0.96349 0.04500 0.04299

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.087 -1.589 0.000
O2 -1.070 -2.801 0.000
C3 0.105 -0.744 0.000
C4 0.000 0.596 0.000
C5 1.115 1.516 0.000
C6 0.969 2.845 0.000
H7 -2.049 -1.032 0.000
H8 1.067 -1.246 0.000
H9 -0.996 1.039 0.000
H10 2.111 1.080 0.000
H11 -0.014 3.305 0.000
H12 1.822 3.513 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.21171.46092.44083.80664.88741.11182.18142.62964.16585.01075.8731
O21.21172.36833.56144.83796.00232.02192.64253.84035.01796.19666.9444
C31.46092.36831.34432.47543.69132.17281.08582.09522.71194.05094.5903
C42.44083.56141.34431.44552.44842.61712.12931.08992.16602.70903.4390
C53.80664.83792.47541.44551.33704.06252.76222.16461.08682.11602.1186
C64.88746.00233.69132.44841.33704.91304.09202.66892.10181.08551.0834
H71.11182.02192.17282.61714.06254.91303.12372.32314.66574.79095.9699
H82.18142.64251.08582.12932.76224.09203.12373.07872.54994.67804.8187
H92.62963.84032.09521.08992.16462.66892.32313.07873.10752.47013.7500
H104.16585.01792.71192.16601.08682.10184.66572.54993.10753.07672.4500
H115.01076.19664.05092.70902.11601.08554.79094.67802.47013.07671.8473
H125.87316.94444.59033.43902.11861.08345.96994.81873.75002.45001.8473

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 120.884 C1 C3 H8 117.101
O2 C1 C3 124.529 O2 C1 H7 120.901
C3 C1 H7 114.570 C3 C4 C5 125.031
C3 C4 H9 118.423 C4 C3 H8 122.015
C4 C5 C6 123.218 C4 C5 H10 116.888
C5 C4 H9 116.546 C5 C6 H11 121.384
C5 C6 H12 121.814 C6 C5 H10 119.894
H11 C6 H12 116.802
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.224      
2 O -0.418      
3 C -0.199      
4 C -0.129      
5 C -0.093      
6 C -0.368      
7 H 0.116      
8 H 0.178      
9 H 0.167      
10 H 0.169      
11 H 0.173      
12 H 0.179      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.978 3.871 0.000 3.992
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.174 -2.992 0.000
y -2.992 -41.722 0.000
z 0.000 0.000 -37.194
Traceless
 xyz
x 7.284 -2.992 0.000
y -2.992 -7.039 0.000
z 0.000 0.000 -0.245
Polar
3z2-r2-0.490
x2-y29.548
xy-2.992
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.005 2.697 0.000
y 2.697 16.754 0.000
z 0.000 0.000 3.093


<r2> (average value of r2) Å2
<r2> 240.468
(<r2>)1/2 15.507