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All results from a given calculation for CH3CH(CH3)CN (Propanenitrile, 2-methyl-)

using model chemistry: QCISD(T)/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD(T)/TZVP
 hartrees
Energy at 0K-210.886750
Energy at 298.15K-210.894003
HF Energy-210.062656
Nuclear repulsion energy158.780031
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 QCISD(T)/TZVP
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' 3139 3023        
2 A' 3133 3018        
3 A' 3066 2953        
4 A' 3051 2939        
5 A' 2284 2200        
6 A' 1522 1466        
7 A' 1518 1462        
8 A' 1447 1394        
9 A' 1362 1312        
10 A' 1211 1166        
11 A' 1134 1092        
12 A' 941 906        
13 A' 773 744        
14 A' 539 519        
15 A' 355 342        
16 A' 293 282        
17 A' 217 209        
18 A" 3137 3022        
19 A" 3128 3013        
20 A" 3049 2937        
21 A" 1505 1450        
22 A" 1500 1445        
23 A" 1424 1372        
24 A" 1347 1298        
25 A" 1147 1105        
26 A" 986 949        
27 A" 952 917        
28 A" 557 537        
29 A" 227 218        
30 A" 182 175        

Unscaled Zero Point Vibrational Energy (zpe) 22562.2 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 21732.0 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 QCISD(T)/TZVP
ABC
0.26488 0.13150 0.09644

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.422 -2.180 0.000
C2 0.024 -1.085 0.000
C3 -0.449 0.312 0.000
C4 0.024 1.030 1.273
C5 0.024 1.030 -1.273
H6 -1.544 0.272 0.000
H7 -0.356 2.055 1.278
H8 -0.333 0.519 2.170
H9 1.117 1.063 1.307
H10 -0.356 2.055 -1.278
H11 -0.333 0.519 -2.170
H12 1.117 1.063 -1.307

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.16442.63953.47543.47543.14234.49103.54493.56434.49103.54493.5643
C21.16441.47522.46852.46852.07393.41132.72282.74143.41132.72282.7414
C32.63951.47521.53631.53631.09562.16312.18332.17352.16312.18332.1735
C43.47542.46851.53632.54612.15761.09351.09231.09362.77533.49932.8018
C53.47542.46851.53632.54612.15762.77533.49932.80181.09351.09231.0936
H63.14232.07391.09562.15762.15762.49462.49753.06822.49462.49753.0682
H74.49103.41132.16311.09352.77532.49461.77601.77622.55553.77453.1359
H83.54492.72282.18331.09233.49932.49751.77601.77313.77454.34073.8063
H93.56432.74142.17351.09362.80183.06821.77621.77313.13593.80632.6135
H104.49103.41132.16312.77531.09352.49462.55553.77453.13591.77601.7762
H113.54492.72282.18333.49931.09232.49753.77454.34073.80631.77601.7731
H123.56432.74142.17352.80181.09363.06823.13593.80632.61351.77621.7731

picture of Propanenitrile, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 178.767 C2 C3 C4 110.092
C2 C3 C5 110.092 C2 C3 H6 106.621
C3 C4 H7 109.529 C3 C4 H8 111.196
C3 C4 H9 110.342 C3 C5 H10 109.529
C3 C5 H11 111.196 C3 C5 H12 110.342
C4 C3 C5 111.926 C4 C3 H6 108.978
C5 C3 H6 108.978 H7 C4 H8 108.685
H7 C4 H9 108.610 H8 C4 H9 108.418
H10 C5 H11 108.685 H10 C5 H12 108.610
H11 C5 H12 108.418
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability