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All results from a given calculation for NH2COOC2H5 (Urethane)

using model chemistry: HF/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/6-311G**
 hartrees
Energy at 0K-321.961835
Energy at 298.15K-321.971304
Nuclear repulsion energy249.061737
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 HF/6-311G**
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 3948 3587 51.20      
2 A 3829 3478 43.98      
3 A 3261 2962 48.84      
4 A 3244 2947 40.28      
5 A 3220 2925 18.65      
6 A 3178 2887 20.65      
7 A 3162 2873 49.72      
8 A 2000 1817 747.08      
9 A 1785 1622 154.58      
10 A 1656 1505 1.75      
11 A 1620 1471 0.74      
12 A 1598 1452 5.46      
13 A 1572 1429 16.93      
14 A 1529 1389 32.86      
15 A 1476 1341 472.08      
16 A 1429 1298 1.70      
17 A 1287 1169 6.87      
18 A 1271 1155 83.60      
19 A 1223 1111 123.86      
20 A 1194 1084 12.70      
21 A 1063 966 5.94      
22 A 940 854 15.27      
23 A 900 818 1.96      
24 A 877 797 59.37      
25 A 633 576 22.91      
26 A 602 547 6.15      
27 A 574 521 98.74      
28 A 408 371 14.29      
29 A 393 357 138.53      
30 A 282 256 0.66      
31 A 231 210 2.57      
32 A 106 96 0.39      
33 A 95 86 2.94      

Unscaled Zero Point Vibrational Energy (zpe) 25291.6 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 22977.5 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 HF/6-311G**
ABC
0.30048 0.07210 0.05959

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.540 -0.247 0.040
H2 2.672 -0.830 -0.864
H3 3.357 0.464 0.119
H4 2.577 -0.918 0.890
C5 1.218 0.487 0.007
H6 1.076 1.067 0.912
H7 1.186 1.160 -0.847
O8 0.195 -0.483 -0.107
N9 -1.418 1.134 0.068
H10 -0.815 1.824 -0.310
H11 -2.392 1.316 -0.013
C12 -1.098 -0.193 -0.010
O13 -1.906 -1.054 0.035

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 O8 N9 H10 H11 C12 O13
C11.08391.08581.08371.51292.15212.14472.36084.19203.95855.17343.63874.5189
H21.08391.76381.75902.14713.05022.48392.61284.63204.41765.56513.91794.6712
H31.08581.76381.76402.14212.48872.47603.30774.82184.40905.81244.50485.4782
H41.08371.75901.76402.14552.48923.04492.61834.56594.52415.52203.85264.5663
C51.51292.14712.14212.14551.08451.08751.41402.71452.45363.70302.41373.4837
H62.15213.05022.48872.48921.08451.76522.05392.63402.37543.59742.67713.7637
H72.14472.48392.47603.04491.08751.76522.05612.76022.17593.67662.78363.9041
O82.36082.61283.30772.61831.41402.05392.05612.29102.52723.15251.32932.1827
N94.19204.63204.82184.56592.71452.63402.76022.29100.99140.99351.36722.2419
H103.95854.41764.40904.52412.45362.37542.17592.52720.99141.68262.05933.0976
H115.17345.56515.81245.52203.70303.59743.67663.15250.99351.68261.98762.4198
C123.63873.91794.50483.85262.41372.67712.78361.32931.36722.05931.98761.1817
O134.51894.67125.47824.56633.48373.76373.90412.18272.24193.09762.41981.1817

picture of Urethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 110.830 C1 C5 H7 110.050
C1 C5 O8 107.478 H2 C1 H3 108.762
H2 C1 H4 108.484 H2 C1 C5 110.465
H3 C1 H4 108.792 H3 C1 C5 109.946
H4 C1 C5 110.345 C5 O8 C12 123.223
H6 C5 H7 108.719 H6 C5 O8 109.882
H7 C5 O8 109.873 O8 C12 N9 116.332
O8 C12 O13 120.633 N9 C12 O13 123.014
H10 N9 H11 115.915 H10 N9 C12 120.805
H11 N9 C12 113.751
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.235      
2 H 0.108      
3 H 0.090      
4 H 0.110      
5 C 0.040      
6 H 0.101      
7 H 0.077      
8 O -0.429      
9 N -0.529      
10 H 0.225      
11 H 0.242      
12 C 0.672      
13 O -0.472      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.544 4.646 -0.627 5.333
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.001 -6.112 1.140
y -6.112 -36.566 -1.518
z 1.140 -1.518 -35.957
Traceless
 xyz
x 0.261 -6.112 1.140
y -6.112 -0.587 -1.518
z 1.140 -1.518 0.326
Polar
3z2-r20.651
x2-y20.565
xy-6.112
xz1.140
yz-1.518


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.692 0.334 -0.076
y 0.334 6.411 -0.065
z -0.076 -0.065 4.850


<r2> (average value of r2) Å2
<r2> 189.288
(<r2>)1/2 13.758