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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: MP2=FULL/cc-pVTZ

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=FULL/cc-pVTZ
 hartrees
Energy at 0K-286.116676
Energy at 298.15K-286.124539
HF Energy-284.933514
Nuclear repulsion energy217.283125
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=FULL/cc-pVTZ
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' 3187 3026 13.14      
2 A' 3109 2951 10.51      
3 A' 3047 2893 48.19      
4 A' 3043 2889 19.80      
5 A' 2234 2121 5.70      
6 A' 1556 1477 3.79      
7 A' 1529 1452 0.69      
8 A' 1525 1448 5.12      
9 A' 1466 1392 9.33      
10 A' 1421 1349 18.65      
11 A' 1395 1325 42.70      
12 A' 1190 1129 193.78      
13 A' 1168 1109 16.24      
14 A' 1081 1026 19.46      
15 A' 973 924 5.66      
16 A' 919 873 6.10      
17 A' 556 528 0.92      
18 A' 427 405 0.81      
19 A' 300 285 2.04      
20 A' 133 126 3.23      
21 A" 3192 3031 14.01      
22 A" 3077 2922 0.68      
23 A" 3070 2915 53.20      
24 A" 1513 1436 6.92      
25 A" 1323 1256 2.60      
26 A" 1283 1218 3.59      
27 A" 1204 1143 5.98      
28 A" 1046 993 1.50      
29 A" 836 794 0.52      
30 A" 365 347 1.27      
31 A" 272 258 0.37      
32 A" 116 110 5.79      
33 A" 82 78 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 23819.0 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 22613.8 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 MP2=FULL/cc-pVTZ
ABC
0.53374 0.05040 0.04726

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.064 2.475 0.000
C2 -1.274 0.988 0.000
O3 0.000 0.368 0.000
C4 -0.132 -1.026 0.000
C5 1.195 -1.626 0.000
N6 2.243 -2.135 0.000
H7 -2.020 2.988 0.000
H8 -0.507 2.775 0.880
H9 -0.507 2.775 -0.880
H10 -1.835 0.674 -0.882
H11 -1.835 0.674 0.882
H12 -0.673 -1.376 -0.882
H13 -0.673 -1.376 0.882

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.50222.36023.62294.68215.67391.08481.08381.08382.14912.14913.97033.9703
C21.50221.41672.31483.59544.70372.13512.13442.13441.09171.09172.59372.5937
O32.36021.41671.40042.32493.36163.30822.61172.61172.05892.05892.06722.0672
C43.62292.31481.40041.45632.62174.43583.91893.91892.56252.56251.09211.0921
C54.68213.59542.32491.45631.16575.62374.79954.79953.90473.90472.08022.0802
N65.67394.70373.36162.62171.16576.66525.69595.69595.03005.03003.13963.1396
H71.08482.13513.30824.43585.62376.66521.76331.76332.48412.48414.65204.6520
H81.08382.13442.61173.91894.79955.69591.76331.76023.04692.48564.51224.1539
H91.08382.13442.61173.91894.79955.69591.76331.76022.48563.04694.15394.5122
H102.14911.09172.05892.56253.90475.03002.48413.04692.48561.76442.35642.9435
H112.14911.09172.05892.56253.90475.03002.48412.48563.04691.76442.94352.3564
H123.97032.59372.06721.09212.08023.13964.65204.51224.15392.35642.94351.7638
H133.97032.59372.06721.09212.08023.13964.65204.15394.51222.94352.35641.7638

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.888 C1 C2 H10 110.906
C1 C2 H11 110.906 C2 C1 H7 110.195
C2 C1 H8 110.206 C2 C1 H9 110.206
C2 O3 C4 110.511 O3 C2 H10 109.658
O3 C2 H11 109.658 O3 C4 C5 108.926
O3 C4 H12 111.471 O3 C4 H13 111.471
C4 C5 N6 178.442 C5 C4 H12 108.589
C5 C4 H13 108.589 H7 C1 H8 108.798
H7 C1 H9 108.798 H8 C1 H9 108.594
H10 C2 H11 107.822 H12 C4 H13 107.712
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability