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

using model chemistry: B3PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-2690.371453
Energy at 298.15K-2690.381876
HF Energy-2690.371453
Nuclear repulsion energy237.497406
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 B3PW91/6-31G(2df,p)
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' 3129 3008 22.70      
2 A' 3089 2970 17.20      
3 A' 3057 2939 9.60      
4 A' 3043 2925 21.60      
5 A' 1501 1443 5.16      
6 A' 1485 1428 0.83      
7 A' 1475 1419 1.37      
8 A' 1405 1351 1.61      
9 A' 1358 1306 2.85      
10 A' 1249 1201 33.49      
11 A' 1116 1073 1.28      
12 A' 1050 1009 1.03      
13 A' 909 874 9.13      
14 A' 676 650 19.55      
15 A' 314 301 1.19      
16 A' 213 204 1.22      
17 A" 3153 3032 12.78      
18 A" 3122 3002 27.47      
19 A" 3095 2975 0.32      
20 A" 1493 1435 7.44      
21 A" 1314 1263 0.05      
22 A" 1237 1189 0.21      
23 A" 1060 1019 1.75      
24 A" 854 821 0.05      
25 A" 743 714 4.27      
26 A" 237 228 0.02      
27 A" 119 114 0.78      

Unscaled Zero Point Vibrational Energy (zpe) 20746.7 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 19945.9 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 B3PW91/6-31G(2df,p)
ABC
0.84906 0.05514 0.05332

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.824 0.000
C2 1.506 0.633 0.000
C3 2.243 1.971 0.000
Br4 -0.934 -0.866 0.000
H5 -0.341 1.363 0.886
H6 -0.341 1.363 -0.886
H7 1.792 0.043 0.878
H8 1.792 0.043 -0.878
H9 3.326 1.817 0.000
H10 1.991 2.567 -0.885
H11 1.991 2.567 0.885

Atom - Atom Distances (Å)
  C1 C2 C3 Br4 H5 H6 H7 H8 H9 H10 H11
C11.51772.51911.93121.09191.09192.14272.14273.47082.79032.7903
C21.51771.52822.86362.17432.17431.09561.09562.17152.18152.1815
C32.51911.52824.25972.79802.79802.16652.16651.09391.09541.0954
Br41.93122.86364.25972.47132.47133.00473.00475.03474.59654.5965
H51.09192.17432.79802.47131.77292.50803.06633.79913.16612.6244
H61.09192.17432.79802.47131.77293.06632.50803.79912.62443.1661
H72.14271.09562.16653.00472.50803.06631.75542.50443.08492.5319
H82.14271.09562.16653.00473.06632.50801.75542.50442.53193.0849
H93.47082.17151.09395.03473.79913.79912.50442.50441.76751.7675
H102.79032.18151.09544.59653.16612.62443.08492.53191.76751.7692
H112.79032.18151.09544.59652.62443.16612.53193.08491.76751.7692

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 111.592 C1 C2 H7 109.083
C1 C2 H8 109.083 C2 C1 Br4 111.696
C2 C1 H5 111.818 C2 C1 H6 111.818
C2 C3 H9 110.730 C2 C3 H10 111.439
C2 C3 H11 111.439 C3 C2 H7 110.233
C3 C2 H8 110.233 Br4 C1 H5 106.325
Br4 C1 H6 106.325 H5 C1 H6 108.544
H7 C2 H8 106.473 H9 C3 H10 107.673
H9 C3 H11 107.673 H10 C3 H11 107.710
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.363      
2 C -0.203      
3 C -0.461      
4 Br -0.049      
5 H 0.173      
6 H 0.173      
7 H 0.146      
8 H 0.146      
9 H 0.149      
10 H 0.144      
11 H 0.144      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.305 1.728 0.000 2.165
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.133 -0.044 0.000
y -0.044 -37.338 0.000
z 0.000 0.000 -37.910
Traceless
 xyz
x -0.508 -0.044 0.000
y -0.044 0.683 0.000
z 0.000 0.000 -0.174
Polar
3z2-r2-0.349
x2-y2-0.794
xy-0.044
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.590 1.664 0.000
y 1.664 8.644 0.000
z 0.000 0.000 6.674


<r2> (average value of r2) Å2
<r2> 204.510
(<r2>)1/2 14.301