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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: MP2/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/SDD
 hartrees
Energy at 0K-285.325471
Energy at 298.15K-285.332997
HF Energy-284.727845
Nuclear repulsion energy209.816289
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 MP2/SDD
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' 3138 3029 32.74      
2 A' 3036 2931 23.44      
3 A' 3015 2911 46.44      
4 A' 3004 2900 54.64      
5 A' 2064 1992 13.13      
6 A' 1552 1498 3.18      
7 A' 1542 1489 4.79      
8 A' 1534 1481 2.68      
9 A' 1464 1413 13.37      
10 A' 1445 1395 0.30      
11 A' 1394 1345 51.33      
12 A' 1149 1109 10.82      
13 A' 1067 1030 118.75      
14 A' 1001 966 32.38      
15 A' 931 898 9.56      
16 A' 844 814 10.22      
17 A' 521 503 0.28      
18 A' 400 386 1.60      
19 A' 280 270 1.96      
20 A' 124 120 2.05      
21 A" 3157 3048 35.01      
22 A" 3075 2968 19.31      
23 A" 3064 2957 62.61      
24 A" 1524 1471 7.63      
25 A" 1300 1255 0.13      
26 A" 1243 1200 0.99      
27 A" 1183 1142 9.30      
28 A" 1050 1013 2.92      
29 A" 854 824 1.90      
30 A" 336 325 0.04      
31 A" 239 231 0.69      
32 A" 98 94 11.61      
33 A" 62 60 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 23343.0 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 22533.0 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 MP2/SDD
ABC
0.47233 0.04746 0.04424

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.920 2.612 0.000
C2 -1.291 1.117 0.000
O3 0.000 0.364 0.000
C4 -0.211 -1.101 0.000
C5 1.132 -1.746 0.000
N6 2.217 -2.287 0.000
H7 -1.836 3.230 0.000
H8 -0.326 2.856 0.896
H9 -0.326 2.856 -0.896
H10 -1.871 0.839 -0.903
H11 -1.871 0.839 0.903
H12 -0.772 -1.414 -0.902
H13 -0.772 -1.414 0.902

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.54082.42893.78034.81705.81681.10511.10211.10212.20582.20584.12854.1285
C21.54081.49462.46703.75094.88772.18152.18142.18141.10881.10882.73642.7364
O32.42891.49461.48042.39463.45543.40312.66792.66792.13162.13162.13822.1382
C43.78032.46701.48041.49022.70194.62524.05884.05882.70852.70851.10751.1075
C54.81703.75092.39461.49021.21185.79354.90974.90974.06454.06452.13342.1334
N65.81684.88773.45542.70191.21186.84495.80635.80635.22485.22483.24193.2419
H71.10512.18153.40314.62525.79356.84491.79551.79552.55532.55534.84824.8482
H81.10212.18142.66794.05884.90975.80631.79551.79203.11332.54084.65444.2930
H91.10212.18142.66794.05884.90975.80631.79551.79202.54083.11334.29304.6544
H102.20581.10882.13162.70854.06455.22482.55533.11332.54081.80612.50683.0892
H112.20581.10882.13162.70854.06455.22482.55532.54083.11331.80613.08922.5068
H124.12852.73642.13821.10752.13343.24194.84824.65444.29302.50683.08921.8043
H134.12852.73642.13821.10752.13343.24194.84824.29304.65443.08922.50681.8043

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 106.286 C1 C2 H10 111.677
C1 C2 H11 111.677 C2 C1 H7 109.984
C2 C1 H8 110.149 C2 C1 H9 110.149
C2 O3 C4 112.036 O3 C2 H10 109.021
O3 C2 H11 109.021 O3 C4 C5 107.433
O3 C4 H12 110.599 O3 C4 H13 110.599
C4 C5 N6 179.139 C5 C4 H12 109.544
C5 C4 H13 109.544 H7 C1 H8 108.871
H7 C1 H9 108.871 H8 C1 H9 108.782
H10 C2 H11 109.069 H12 C4 H13 109.098
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability