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All results from a given calculation for CH3CBr3 (1,1,1-tribromoethane)

using model chemistry: CCD/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at CCD/cc-pVDZ
 hartrees
Energy at 0K-7795.336497
Energy at 298.15K-7795.348348
HF Energy-7794.620424
Nuclear repulsion energy972.750113
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 CCD/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3087 2953 4.47      
2 A1 1415 1354 3.42      
3 A1 1099 1051 5.43      
4 A1 423 405 4.31      
5 A1 224 214 0.05      
6 A2 329 315 0.00      
7 E 3190 3052 3.19      
7 E 3190 3052 3.19      
8 E 1481 1417 3.15      
8 E 1481 1417 3.15      
9 E 1100 1053 41.68      
9 E 1100 1053 41.68      
10 E 673 644 60.48      
10 E 673 644 60.49      
11 E 285 273 0.95      
11 E 285 273 0.95      
12 E 156 149 0.03      
12 E 156 149 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 10172.9 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 9732.4 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 CCD/cc-pVDZ
ABC
0.03509 0.03509 0.02081

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.451
C2 0.000 0.000 1.978
Br3 0.000 1.846 -0.206
Br4 1.599 -0.923 -0.206
Br5 -1.599 -0.923 -0.206
H6 0.000 -1.039 2.345
H7 0.900 0.520 2.345
H8 -0.900 0.520 2.345

Atom - Atom Distances (Å)
  C1 C2 Br3 Br4 Br5 H6 H7 H8
C11.52671.95931.95931.95932.16022.16022.1602
C21.52672.85952.85952.85951.10231.10231.1023
Br31.95932.85953.19713.19713.85123.01263.0126
Br41.95932.85953.19713.19713.01263.01263.8512
Br51.95932.85953.19713.19713.01263.85123.0126
H62.16021.10233.85123.01263.01261.80041.8004
H72.16021.10233.01263.01263.85121.80041.8004
H82.16021.10233.01263.85123.01261.80041.8004

picture of 1,1,1-tribromoethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 109.445 C1 C2 H7 109.445
C1 C2 H8 109.445 C2 C1 Br3 109.600
C2 C1 Br4 109.600 C2 C1 Br5 109.600
Br3 C1 Br4 109.342 Br3 C1 Br5 109.342
Br4 C1 Br5 109.342 H6 C2 H7 109.498
H6 C2 H8 109.498 H7 C2 H8 109.498
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability