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All results from a given calculation for NH2COOC2H5 (Urethane)

using model chemistry: B3LYP/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/Def2TZVPP
 hartrees
Energy at 0K-323.893984
Energy at 298.15K-323.903024
HF Energy-323.893984
Nuclear repulsion energy246.379921
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 B3LYP/Def2TZVPP
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 3719 3580 46.57      
2 A 3603 3468 28.26      
3 A 3122 3005 21.62      
4 A 3112 2995 19.50      
5 A 3047 2933 21.81      
6 A 3045 2931 14.42      
7 A 2996 2884 38.52      
8 A 1814 1746 551.84      
9 A 1626 1565 122.34      
10 A 1523 1466 1.64      
11 A 1502 1446 3.62      
12 A 1485 1430 6.43      
13 A 1427 1374 5.50      
14 A 1409 1357 17.84      
15 A 1330 1280 375.50      
16 A 1309 1260 2.76      
17 A 1178 1134 4.25      
18 A 1151 1108 19.03      
19 A 1098 1057 56.27      
20 A 1082 1042 115.96      
21 A 986 949 15.90      
22 A 856 824 11.86      
23 A 838 807 0.59      
24 A 774 745 22.03      
25 A 578 556 13.38      
26 A 554 534 3.61      
27 A 523 503 44.48      
28 A 380 365 2.22      
29 A 334 321 155.68      
30 A 255 246 0.32      
31 A 215 207 3.00      
32 A 106 102 1.06      
33 A 88 85 0.65      

Unscaled Zero Point Vibrational Energy (zpe) 23531.9 cm-1
Scaled (by 0.9626) Zero Point Vibrational Energy (zpe) 22651.8 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 B3LYP/Def2TZVPP
ABC
0.29548 0.07060 0.05831

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/Def2TZVPP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.570 -0.243 0.036
H2 2.704 -0.830 -0.871
H3 3.390 0.473 0.111
H4 2.617 -0.916 0.891
C5 1.241 0.484 0.009
H6 1.092 1.067 0.920
H7 1.199 1.162 -0.851
O8 0.203 -0.503 -0.105
N9 -1.434 1.153 0.072
H10 -0.828 1.835 -0.351
H11 -2.419 1.329 -0.041
C12 -1.114 -0.186 0.008
O13 -1.940 -1.062 0.026

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 O8 N9 H10 H11 C12 O13
C11.08931.09081.08911.51502.16372.15412.38574.24004.00175.23083.68454.5840
H21.08931.76971.76702.15483.06722.49682.63684.68454.45535.62093.97084.7363
H31.09081.76971.77012.15112.50762.48993.34014.87144.45655.87314.55305.5474
H41.08911.76701.77012.15242.50203.06012.64464.62174.58035.59173.90344.6413
C51.51502.15482.15112.15241.09171.09581.43742.75782.49703.75622.44883.5375
H62.16373.06722.50762.50201.09171.77672.07522.66542.42703.64892.69623.8114
H72.15412.49682.48993.06011.09581.77672.07902.79022.19393.71122.81203.9465
O82.38572.63683.34012.64461.43742.07522.07902.33462.56663.19851.35902.2186
N94.24004.68454.87144.62172.75782.66542.79022.33461.00531.00691.37812.2726
H104.00174.45534.45654.58032.49702.42702.19392.56661.00531.69742.07233.1258
H115.23085.62095.87315.59173.75623.64893.71123.19851.00691.69741.99992.4393
C123.68453.97084.55303.90342.44882.69622.81201.35901.37812.07231.99991.2042
O134.58404.73635.54744.64133.53753.81143.94652.21862.27263.12582.43931.2042

picture of Urethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 111.172 C1 C5 H7 110.154
C1 C5 O8 107.782 H2 C1 H3 108.537
H2 C1 H4 108.414 H2 C1 C5 110.604
H3 C1 H4 108.584 H3 C1 C5 110.220
H4 C1 C5 110.418 C5 O8 C12 122.236
H6 C5 H7 108.629 H6 C5 O8 109.519
H7 C5 O8 109.570 O8 C12 N9 117.064
O8 C12 O13 119.775 N9 C12 O13 123.151
H10 N9 H11 115.038 H10 N9 C12 119.982
H11 N9 C12 113.053
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.248      
2 H 0.094      
3 H 0.076      
4 H 0.096      
5 C -0.007      
6 H 0.104      
7 H 0.080      
8 O -0.238      
9 N -0.296      
10 H 0.150      
11 H 0.180      
12 C 0.339      
13 O -0.332      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.550 4.427 -0.492 5.133
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.307 -6.150 0.837
y -6.150 -36.442 -1.166
z 0.837 -1.166 -36.554
Traceless
 xyz
x 0.190 -6.150 0.837
y -6.150 -0.011 -1.166
z 0.837 -1.166 -0.180
Polar
3z2-r2-0.359
x2-y20.134
xy-6.150
xz0.837
yz-1.166


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.696 0.277 -0.040
y 0.277 7.911 -0.033
z -0.040 -0.033 5.901


<r2> (average value of r2) Å2
<r2> 192.802
(<r2>)1/2 13.885