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All results from a given calculation for CH3CH2CH2Br (n-propyl bromide)

using model chemistry: HF/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/CEP-121G
 hartrees
Energy at 0K-33.632711
Energy at 298.15K-33.643299
HF Energy-33.632711
Nuclear repulsion energy68.308042
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 HF/CEP-121G
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' 3248 2963 44.52      
2 A' 3236 2953 52.61      
3 A' 3186 2908 15.84      
4 A' 3141 2866 48.77      
5 A' 1650 1506 7.60      
6 A' 1636 1493 2.55      
7 A' 1612 1471 3.54      
8 A' 1555 1419 3.80      
9 A' 1499 1368 8.88      
10 A' 1374 1254 78.28      
11 A' 1211 1105 3.18      
12 A' 1114 1016 2.13      
13 A' 968 883 6.98      
14 A' 662 604 54.55      
15 A' 317 289 5.73      
16 A' 223 203 2.40      
17 A" 3338 3046 23.73      
18 A" 3247 2963 68.82      
19 A" 3217 2935 13.96      
20 A" 1636 1493 9.31      
21 A" 1432 1306 0.15      
22 A" 1354 1235 0.81      
23 A" 1156 1055 3.68      
24 A" 937 855 0.02      
25 A" 811 740 3.81      
26 A" 239 218 0.06      
27 A" 112 103 1.26      

Unscaled Zero Point Vibrational Energy (zpe) 22053.2 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 20123.5 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 HF/CEP-121G
ABC
0.83760 0.05257 0.05086

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.870 0.000
C2 1.522 0.705 0.000
C3 2.222 2.081 0.000
Br4 -0.931 -0.920 0.000
H5 -0.368 1.364 0.886
H6 -0.368 1.364 -0.886
H7 1.824 0.136 0.873
H8 1.824 0.136 -0.873
H9 3.301 1.956 0.000
H10 1.955 2.662 -0.880
H11 1.955 2.662 0.880

Atom - Atom Distances (Å)
  C1 C2 C3 Br4 H5 H6 H7 H8 H9 H10 H11
C11.53102.53102.01821.07921.07922.15172.15173.47522.79422.7942
C21.53101.54412.94282.18902.18901.08511.08512.17492.18892.1889
C32.53101.54414.35372.83042.83042.16922.16921.08621.08741.0874
Br42.01822.94284.35372.51382.51383.07743.07745.11724.68394.6839
H51.07922.18902.83042.51381.77292.51303.06753.82103.19422.6615
H61.07922.18902.83042.51381.77293.06752.51303.82102.66153.1942
H72.15171.08512.16923.07742.51303.06751.74552.50113.07742.5298
H82.15171.08512.16923.07743.06752.51301.74552.50112.52983.0774
H93.47522.17491.08625.11723.82103.82102.50112.50111.75621.7562
H102.79422.18891.08744.68393.19422.66153.07742.52981.75621.7593
H112.79422.18891.08744.68392.66153.19422.52983.07741.75621.7593

picture of n-propyl bromide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 110.783 C1 C2 H7 109.495
C1 C2 H8 109.495 C2 C1 Br4 111.285
C2 C1 H5 112.849 C2 C1 H6 112.849
C2 C3 H9 110.339 C2 C3 H10 111.381
C2 C3 H11 111.381 C3 C2 H7 109.953
C3 C2 H8 109.953 Br4 C1 H5 104.376
Br4 C1 H6 104.376 H5 C1 H6 110.452
H7 C2 H8 107.086 H9 C3 H10 107.801
H9 C3 H11 107.801 H10 C3 H11 107.987
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.522      
2 C -0.166      
3 C -0.457      
4 Br 0.019      
5 H 0.188      
6 H 0.188      
7 H 0.151      
8 H 0.151      
9 H 0.162      
10 H 0.143      
11 H 0.143      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.644 2.424 0.000 2.928
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.058 -0.346 0.000
y -0.346 -35.400 0.000
z 0.000 0.000 -35.678
Traceless
 xyz
x -0.519 -0.346 0.000
y -0.346 0.468 0.000
z 0.000 0.000 0.051
Polar
3z2-r20.101
x2-y2-0.658
xy-0.346
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.206 2.356 0.000
y 2.356 8.544 0.000
z 0.000 0.000 5.062


<r2> (average value of r2) Å2
<r2> 137.535
(<r2>)1/2 11.728