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All results from a given calculation for P(CH3)3 (trimethylphosphine)

using model chemistry: CCSD(T)=FULL/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 CCSD(T)=FULL/cc-pVDZ
 hartrees
Energy at 0K-460.254060
Energy at 298.15K-460.263703
HF Energy-459.588894
Nuclear repulsion energy175.644826
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 CCSD(T)=FULL/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 3128 3013        
2 A1 3031 2920        
3 A1 1473 1419        
4 A1 1328 1279        
5 A1 966 931        
6 A1 653 629        
7 A1 290 280        
8 A2 3140 3025        
9 A2 1451 1398        
10 A2 781 753        
11 A2 174 168        
12 E 3141 3025        
12 E 3141 3025        
13 E 3128 3013        
13 E 3128 3013        
14 E 3033 2921        
14 E 3033 2921        
15 E 1465 1411        
15 E 1465 1411        
16 E 1454 1401        
16 E 1454 1400        
17 E 1303 1255        
17 E 1303 1255        
18 E 950 915        
18 E 950 915        
19 E 835 805        
19 E 835 804        
20 E 711 684        
20 E 710 684        
21 E 250 241        
21 E 249 240        
22 E 202 195        
22 E 202 195        

Unscaled Zero Point Vibrational Energy (zpe) 24678.7 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 23770.5 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 CCSD(T)=FULL/cc-pVDZ
ABC
0.18927 0.18927 0.12272

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.620
C2 0.000 1.633 -0.286
C3 1.414 -0.817 -0.286
C4 -1.414 -0.817 -0.286
H5 0.000 1.496 -1.385
H6 -0.893 2.218 0.001
H7 0.893 2.218 0.001
H8 1.296 -0.748 -1.385
H9 2.367 -0.335 0.001
H10 1.474 -1.883 0.001
H11 -1.296 -0.748 -1.385
H12 -1.474 -1.883 0.001
H13 -2.367 -0.335 0.001

Atom - Atom Distances (Å)
  P1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13
P11.86811.86811.86812.50242.46992.46992.50242.46992.46992.50242.46992.4699
C21.86812.82882.82881.10751.10571.10572.92523.09223.82312.92523.82313.0922
C31.86812.82882.82882.92523.82313.09221.10751.10571.10572.92523.09223.8231
C41.86812.82882.82882.92523.09223.82312.92523.82313.09221.10751.10571.1057
H52.50241.10752.92522.92521.80031.80032.59143.29863.93842.59143.93843.2986
H62.46991.10573.82313.09221.80031.78663.93844.14124.73473.29864.14122.9480
H72.46991.10573.09223.82311.80031.78663.29862.94804.14123.93844.73474.1412
H82.50242.92521.10752.92522.59143.93843.29861.80031.80032.59143.29863.9384
H92.46993.09221.10573.82313.29864.14122.94801.80031.78663.93844.14124.7347
H102.46993.82311.10573.09223.93844.73474.14121.80031.78663.29862.94804.1412
H112.50242.92522.92521.10752.59143.29863.93842.59143.93843.29861.80031.8003
H122.46993.82313.09221.10573.93844.14124.73473.29864.14122.94801.80031.7866
H132.46993.09223.82311.10573.29862.94804.14123.93844.73474.14121.80031.7866

picture of trimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C2 H5 111.935 P1 C2 H6 109.632
P1 C2 H7 109.632 P1 C3 H8 111.935
P1 C3 H9 109.632 P1 C3 H10 109.632
P1 C4 H11 111.935 P1 C4 H12 109.632
P1 C4 H13 109.632 C2 P1 C3 98.422
C2 P1 C4 98.422 C3 P1 C4 98.422
H5 C2 H6 108.877 H5 C2 H7 108.877
H6 C2 H7 107.793 H8 C3 H9 108.877
H8 C3 H10 108.877 H9 C3 H10 107.793
H11 C4 H12 108.877 H11 C4 H13 108.877
H12 C4 H13 107.793
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability