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All results from a given calculation for CHOCH2CH2CH3 (Butanal)

using model chemistry: B1B95/CEP-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/CEP-31G
 hartrees
Energy at 0K-43.242623
Energy at 298.15K-43.251012
Nuclear repulsion energy95.639373
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/CEP-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' 3157 3023 59.40      
2 A' 3093 2961 22.31      
3 A' 3058 2928 38.48      
4 A' 3048 2919 43.45      
5 A' 2970 2843 144.06      
6 A' 1711 1639 125.05      
7 A' 1513 1449 15.76      
8 A' 1499 1435 3.84      
9 A' 1463 1401 27.64      
10 A' 1428 1367 8.40      
11 A' 1405 1345 7.62      
12 A' 1391 1332 14.73      
13 A' 1303 1247 12.80      
14 A' 1147 1098 12.51      
15 A' 1079 1033 0.19      
16 A' 983 941 4.14      
17 A' 873 836 8.18      
18 A' 683 654 13.28      
19 A' 337 323 0.78      
20 A' 163 156 11.33      
21 A" 3161 3027 111.74      
22 A" 3133 3000 0.12      
23 A" 3089 2958 15.89      
24 A" 1509 1445 11.84      
25 A" 1295 1240 0.47      
26 A" 1236 1183 0.96      
27 A" 1133 1085 0.01      
28 A" 931 892 0.28      
29 A" 776 743 1.80      
30 A" 674 645 12.97      
31 A" 233 223 0.01      
32 A" 163 156 3.55      
33 A" 45 43 2.48      

Unscaled Zero Point Vibrational Energy (zpe) 24840.2 cm-1
Scaled (by 0.9575) Zero Point Vibrational Energy (zpe) 23784.5 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/CEP-31G
ABC
0.48484 0.08354 0.07422

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.304 -0.347 0.000
H2 2.840 -1.309 0.000
H3 2.628 0.218 0.891
H4 2.628 0.218 -0.891
C5 0.773 -0.563 0.000
H6 0.470 -1.156 -0.879
H7 0.470 -1.156 0.879
C8 0.000 0.771 0.000
H9 0.269 1.388 0.879
H10 0.269 1.388 -0.879
C11 -1.515 0.606 0.000
H12 -2.107 1.551 0.000
O13 -2.105 -0.494 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 C11 H12 O13
C11.10161.10371.10371.54562.18842.18842.56072.81532.81533.93544.80224.4111
H21.10161.78081.78082.19692.53212.53213.52033.82903.82904.75705.71465.0113
H31.10371.78081.78232.20073.11042.55802.82932.63363.17344.25484.99944.8682
H41.10371.78081.78232.20072.55803.11042.82933.17342.63364.25484.99944.8682
C51.54562.19692.20072.20071.10221.10221.54242.19932.19932.56953.57352.8791
H62.18842.53213.11042.55801.10221.75702.16923.09892.55202.79543.83952.7998
H72.18842.53212.55803.11041.10221.75702.16922.55203.09892.79543.83952.7998
C82.56073.52032.82932.82931.54242.16922.16921.10741.10741.52352.24722.4560
H92.81533.82902.63363.17342.19933.09892.55201.10741.75892.13642.53883.1545
H102.81533.82903.17342.63362.19932.55203.09891.10741.75892.13642.53883.1545
C113.93544.75704.25484.25482.56952.79542.79541.52352.13642.13641.11551.2489
H124.80225.71464.99944.99943.57353.83953.83952.24722.53882.53881.11552.0453
O134.41115.01134.86824.86822.87912.79982.79982.45603.15453.15451.24892.0453

picture of Butanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 110.359 C1 C5 H7 110.359
C1 C5 C8 112.041 H2 C1 H3 107.711
H2 C1 H4 107.711 H2 C1 C5 111.063
H3 C1 H4 107.693 H3 C1 C5 111.245
H4 C1 C5 111.245 C5 C8 H9 111.135
C5 C8 H10 111.135 C5 C8 C11 113.876
H6 C5 H7 105.702 H6 C5 C8 109.085
H7 C5 C8 109.085 C8 C11 H12 115.895
C8 C11 O13 124.428 H9 C8 H10 105.153
H9 C8 C11 107.541 H10 C8 C11 107.541
H12 C11 O13 119.677
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.413      
2 H 0.171      
3 H 0.121      
4 H 0.121      
5 C -0.218      
6 H 0.138      
7 H 0.138      
8 C -0.143      
9 H 0.138      
10 H 0.138      
11 C -0.247      
12 H 0.171      
13 O -0.114      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.057 2.481 0.000 3.222
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.282 -4.864 0.000
y -4.864 -30.347 0.000
z 0.000 0.000 -30.139
Traceless
 xyz
x -7.039 -4.864 0.000
y -4.864 3.364 0.000
z 0.000 0.000 3.676
Polar
3z2-r27.351
x2-y2-6.936
xy-4.864
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.440 0.164 0.000
y 0.164 6.533 0.000
z 0.000 0.000 4.987


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