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All results from a given calculation for NH2COOC2H5 (Urethane)

using model chemistry: mPW1PW91/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/cc-pVDZ
 hartrees
Energy at 0K-323.687480
Energy at 298.15K-323.696684
Nuclear repulsion energy246.955225
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 mPW1PW91/cc-pVDZ
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 3728 3573 46.00      
2 A 3606 3455 23.84      
3 A 3175 3042 15.14      
4 A 3169 3037 15.24      
5 A 3086 2957 25.14      
6 A 3077 2949 13.53      
7 A 3015 2889 44.06      
8 A 1891 1812 514.83      
9 A 1608 1541 147.49      
10 A 1505 1442 0.42      
11 A 1481 1420 2.56      
12 A 1460 1399 6.92      
13 A 1429 1370 21.35      
14 A 1394 1336 104.03      
15 A 1357 1301 269.01      
16 A 1301 1247 1.15      
17 A 1172 1123 5.77      
18 A 1168 1119 59.34      
19 A 1132 1085 71.59      
20 A 1102 1056 35.02      
21 A 1009 967 14.91      
22 A 876 840 12.88      
23 A 836 801 0.80      
24 A 787 754 36.96      
25 A 584 559 34.83      
26 A 560 537 19.22      
27 A 546 523 73.50      
28 A 409 392 89.81      
29 A 381 365 6.84      
30 A 264 253 0.58      
31 A 217 208 2.39      
32 A 114 109 1.23      
33 A 91 87 1.41      

Unscaled Zero Point Vibrational Energy (zpe) 23763.9 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 22772.9 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 mPW1PW91/cc-pVDZ
ABC
0.29438 0.07150 0.05900

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.545 -0.244 0.047
H2 2.693 -0.852 -0.856
H3 3.364 0.485 0.117
H4 2.591 -0.908 0.920
C5 1.215 0.469 -0.004
H6 1.056 1.076 0.902
H7 1.179 1.142 -0.881
O8 0.199 -0.523 -0.108
N9 -1.378 1.162 0.084
H10 -0.754 1.824 -0.358
H11 -2.362 1.368 -0.032
C12 -1.109 -0.184 -0.010
O13 -1.953 -1.042 0.033

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 O8 N9 H10 H11 C12 O13
C11.09831.09881.09821.50952.16602.15592.36774.16833.91495.16603.65474.5683
H21.09831.78421.77972.15683.07992.50332.62464.63864.39215.58233.95134.7342
H31.09881.78421.78452.15262.50912.49103.32954.79124.35695.79624.52465.5327
H41.09821.77971.78452.15482.50923.07282.63194.55484.50465.53403.88304.6316
C51.50952.15682.15262.15481.10231.10621.42332.68652.41703.68902.41383.5098
H62.16603.07992.50912.50921.10231.78832.07562.56942.32863.55512.66543.7801
H72.15592.50332.49103.07281.10621.78832.08032.73332.11563.64832.78353.9254
O82.36772.62463.32952.63191.42332.07562.08032.31622.54523.18451.35422.2181
N94.16834.63864.79124.55482.68652.56942.73332.31621.01121.01161.37672.2781
H103.91494.39214.35694.50462.41702.32862.11562.54521.01121.70272.06873.1306
H115.16605.58235.79625.53403.68903.55513.64833.18451.01161.70271.99562.4452
C123.65473.95134.52463.88302.41382.66542.78351.35421.37672.06871.99561.2040
O134.56834.73425.53274.63163.50983.78013.92542.21812.27813.13062.44521.2040

picture of Urethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 111.093 C1 C5 H7 110.066
C1 C5 O8 107.630 H2 C1 H3 108.601
H2 C1 H4 108.242 H2 C1 C5 110.609
H3 C1 H4 108.636 H3 C1 C5 110.243
H4 C1 C5 110.447 C5 O8 C12 120.681
H6 C5 H7 108.146 H6 C5 O8 109.886
H7 C5 O8 110.024 O8 C12 N9 116.017
O8 C12 O13 120.127 N9 C12 O13 123.809
H10 N9 H11 114.655 H10 N9 C12 119.281
H11 N9 C12 112.457
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.070      
2 H 0.062      
3 H 0.045      
4 H 0.064      
5 C 0.017      
6 H 0.052      
7 H 0.041      
8 O -0.273      
9 N -0.167      
10 H 0.108      
11 H 0.121      
12 C 0.277      
13 O -0.279      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.247 4.168 -0.678 4.783
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.185 -5.712 1.098
y -5.712 -35.542 -1.569
z 1.098 -1.569 -35.566
Traceless
 xyz
x 0.368 -5.712 1.098
y -5.712 -0.166 -1.569
z 1.098 -1.569 -0.202
Polar
3z2-r2-0.404
x2-y20.356
xy-5.712
xz1.098
yz-1.569


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 190.421
(<r2>)1/2 13.799