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All results from a given calculation for CH3CHBrCH3 (i-propyl bromide)

using model chemistry: BLYP/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 BLYP/6-31G
 hartrees
Energy at 0K-2690.016736
Energy at 298.15K-2690.027049
HF Energy-2690.016736
Nuclear repulsion energy244.550895
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 BLYP/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' 3082 3058 41.17      
2 A' 3054 3031 15.10      
3 A' 3036 3013 12.26      
4 A' 2964 2942 39.82      
5 A' 1511 1499 8.14      
6 A' 1499 1487 9.05      
7 A' 1431 1420 3.78      
8 A' 1235 1226 38.00      
9 A' 1173 1165 54.93      
10 A' 1038 1031 5.08      
11 A' 866 860 10.47      
12 A' 501 497 21.06      
13 A' 397 394 2.71      
14 A' 277 275 4.58      
15 A' 254 252 1.28      
16 A" 3072 3049 14.73      
17 A" 3037 3014 7.06      
18 A" 2958 2936 10.88      
19 A" 1493 1481 0.86      
20 A" 1486 1474 2.94      
21 A" 1416 1405 10.05      
22 A" 1353 1343 5.49      
23 A" 1130 1121 4.13      
24 A" 959 951 2.29      
25 A" 947 940 0.00      
26 A" 275 273 1.01      
27 A" 233 231 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 20338.4 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 20183.8 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 BLYP/6-31G
ABC
0.25867 0.09129 0.07229

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.472 -0.973 0.000
Br2 -0.068 1.039 0.000
H3 1.570 -0.911 0.000
C4 -0.068 -1.590 1.292
C5 -0.068 -1.590 -1.292
H6 -1.169 -1.557 1.315
H7 0.248 -2.649 1.356
H8 0.314 -1.064 2.180
H9 -1.169 -1.557 -1.315
H10 0.248 -2.649 -1.356
H11 0.314 -1.064 -2.180

Atom - Atom Distances (Å)
  C1 Br2 H3 C4 C5 H6 H7 H8 H9 H10 H11
C12.08391.09911.53051.53052.18272.16712.18792.18272.16712.1879
Br22.08392.54662.92982.92983.11173.94233.05323.11173.94233.0532
H31.09912.54662.19372.19373.10592.57012.52073.10592.57012.5207
C41.53052.92982.19372.58481.10191.10691.10052.83072.86933.5330
C51.53052.92982.19372.58482.83072.86933.53301.10191.10691.1005
H62.18273.11173.10591.10192.83071.78931.78632.63023.21453.8289
H72.16713.94232.57011.10692.86931.78931.78833.21452.71123.8756
H82.18793.05322.52071.10053.53301.78631.78833.82893.87564.3606
H92.18273.11173.10592.83071.10192.63023.21453.82891.78931.7863
H102.16713.94232.57012.86931.10693.21452.71123.87561.78931.7883
H112.18793.05322.52073.53301.10053.82893.87564.36061.78631.7883

picture of i-propyl bromide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C4 H6 110.975 C1 C4 H7 109.460
C1 C4 H8 111.476 C1 C5 H9 110.975
C1 C5 H10 109.460 C1 C5 H11 111.476
Br2 C1 H3 101.775 Br2 C1 C4 107.321
Br2 C1 C5 107.321 H3 C1 C4 112.034
H3 C1 C5 112.034 C4 C1 C5 115.225
H6 C4 H7 108.210 H6 C4 H8 108.400
H7 C4 H8 108.222 H9 C5 H10 108.210
H9 C5 H11 108.400 H10 C5 H11 108.222
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.274      
2 Br -0.068      
3 H 0.173      
4 C -0.337      
5 C -0.337      
6 H 0.145      
7 H 0.130      
8 H 0.146      
9 H 0.145      
10 H 0.130      
11 H 0.146      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.502 -2.520 0.000 2.570
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.327 -0.628 0.000
y -0.628 -37.429 0.000
z 0.000 0.000 -38.088
Traceless
 xyz
x -0.568 -0.628 0.000
y -0.628 0.778 0.000
z 0.000 0.000 -0.210
Polar
3z2-r2-0.420
x2-y2-0.898
xy-0.628
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.193 -0.599 0.000
y -0.599 9.367 0.000
z 0.000 0.000 5.962


<r2> (average value of r2) Å2
<r2> 163.264
(<r2>)1/2 12.777